II B.Tech. I Semester

I

Code :17CE21Q1

B.TECH. DEGREE EXAMINATION, NOVEMBER 2019II B.Tech. I Semester

STRENGTH OF MATERIALS(Civil Engineering)

Time: 3 hours Max. Marks: 60Answer SIX Questions, Choosing ONE Question from each sectionAll Questions carry equal marks

•k * *

SECTION - I

Define the following terms :Stress

( ii ) Young's modulus

1 (a)(i) (iii) volumetric strain

iv) Endurance limit

Derive the relationship between Young’s modulus and bulk modulus.(b)

2 (a) Define principle of superposition and poison’s ratio.Three long parallel wires of equal in length are supporting a rigid bar connected attheir bottom as shown in Fig.l. If the cross sectional area of each wire is 100 mm2,calculate the stresses in each wire. Take EB= 100 GPa and Es = 200 GPa.

(b)

SECTION - II

The element is subjected to two mutually perpendicular tensile stresses in x and ydirections. Derive the expression for normal stress and shear stress at an obliqueplane making an angle 0 with horizontalA machine component is subjected to stresses as shown in fig.2. Find graphically,normal and shearing stresses on the section AB inclined at an angle 60° with x-x axis.Also find the resultant stress on the section.

3 (a)

(b)

50 MPa -25 MPai25 MPai100 MPa—

25 MPaKr-100 MPa

60°X51 R

(a) Derive the normal stress, tangential stress and resultant stress of two mutuallyperpendicular principal stresses of unequal intensities by Mohr’s method

(b) A rectangular bar of cross-sectional area 1000 mm2 is subjected to an axial load of20 KN. Determine the normal and shear stresses on a plane which is inclined at anangle of 30° with normal cross-section of the bar

4

SECTION - 111

5 (a) Define shear force, bending moment and point of contra flexure

(b) Draw SFD and BMD of simply supported beam of length ‘L’ with point load ‘W’at a distance L/3 from each supports.

6 (a) Derive the relationship between shear force, bending moment and rate of loading

(b) Draw the shear force and bending moment diagram for a simply supported beam oflength 1, subjected to a clockwise couple M at the centre of the beam.

SECTION - IV

(a) State the assumptions made in theory of simple bending.

(b) Compare the moment of resistance of square beam of size ‘a’i) when its two sides parallel ii) when its diagonal is horizontal.

(a) Differentiate between symmetrical and unsymmetrical bending

(b) A beam of rectangular section 100mm wide and 180mm deep is subjected to abending moment of 12kN.m The trace of the plane of loading is inclined at 45° to they-y axis of the section. Locate the natural axis of the section and calculate themaximum bending stress induced is the section.

SECTION - V

7

8

Derive relations for change in dimensions and to change in volume of a thin cylindersubjected to internal pressure.

(b) A cylindrical thin shell 800 mm diameter and 4.6 m long is mad of 12 mm thickplate. If the shell is subjected to internal pressure of 2.5 MPa, determine its changesin diameter and length. Adopt E = 200 GPa and poisson’s ratio 0.3.

10 (a) What are the assumptions made in Lame’s theory?

(b) Find the thickness of the metal necessary for of thick cylindrical shell of internaldiameter 160 mm to withstand an internal pressure of 8 MPa. The maximum hoopstress in the section is not to exceed 35 MPa.

9 (a)

SECTION - V!

Derive an expression for pure torsion stating necessary assumptions

(a) Derive an expression for stiffness of a close coiled helical spring subjected to acompressive load of W.

(b) A closely coiled helical spring made of 12 mm diameter steel wire has 18 coils of120 mm mean diameter. The spring is subjected to an axial load of 130 N. Calculate,

(i) Maximum shear stress induced (ii) Stiffness of spring

11

12

l_f^Code : 17CE2102

B.TECH. DEGREE EXAMINATION, NOVEMBER 2019II B.Tech. I SemesterFLUID MECHANICS - 1

(Civil Engineering)Time: 3 hours Max. Marks:60

Answer SIX Questions, Choosing ONE Question from each sectionAll Questions carry equal marks

k k *.* •

SECTION - I

Derive the expression for variation of pressure in a static fluid.(b) A cylinder of 15 cm radius rotates concentrically inside a fixed cylinder of 15.5cm radius.

Both cylinders are 30cm long. Determine the viscosity of the liquid which fills the spacebetween the cylinders if a torque of 0.9 ' N-m is required to maintain an angular velocity of60rpm.

1 (a)."w

(a) Define surface tension. Prove that the relationship between surface tension and pressure •

inside a droplet of liquid in excess of ou iide pressure given P =2

4crd

(b) An inverted differential manometer containing kerosene of specific gravity 0.8 is connectedto two points in a water pipe. If the . tanometric reading is 40cm what is the pressuredifference in M/m2.

SECTION - II

3 (a) Explain briefly the conditions of stability for floating bodies?*

•̂*v. (b) A cubical tank has sides of 1.5m. It contains water for the lower 0.6m depth. The upper f

remain ing part is filled with oil of specific gravity 0.9. Calculate for one vertical side of thetank, (i) total pressure, and (ii) position of centre of pressure.

4 (a) Show that the centre of pressure of inclined lamina immersed under liquid is always belowits centroid?

(b) A solid cylinder 4m in diameter and 4m high is floating in water with its axisvertical. If its specific gravity is 0.6. Find the matacentric height.

SECTION - 111

(a) The water is flowing through a taper pipe of length 100m having diameters 600mm at upperend and 300mm at the lower end, at the rate of flow of 501itres/sec. the pipe has a slope of 1in 30. Find the pressure at the lower end if the pressure at the higher level is 19.62N/cm2.

(b) If the expression for the stream function is described by y == x3 -3xy\ indicate whether theflow is rotational or irrotational. If the flow is irrotational determine the velocity potential?

Derive Continuity equation for three dimensional flow in Cartesian coordinates?

5

(a)6

(b) A horizontal ' venturimeter with inlet diameter 20cm and throat diameter 10cm is used tomeasure the flow of water. The pressure at inlet is 17.658N/cm2 and the vacuum pressure atthe throat is 30cm of mercury. Find the discharge of water through venturimeter. TakeCd=0.98.

SECTION - IV *' v

(a) Describe the Rayleigh’s method for dimensional analysis.

(b) An oil of sp.gr.0.9 and viscosity 0.Q3poise is to be transported at the rate of 3000 litres/secthrough a 1.5m diameter pipe. Tests were conducted on a 15cm diameter pipe using water at20°c. If the viscosity of water at 2Q°c is O.Olpojse, find i) Velocity of flow in the model; ii)Rate of flow in the model.

7

(a) Describe Buckingham’s ji-theorem to formulate a dimensionally homogeneous equationbetween the various physical quantities effecting a certain phenomenon.

(b) A 1:6 scale model of a passenger, car is tested in a wind tunnel. The prototype velocity is58km/hour. If the model drag is 225N, what is the drag and power required to overcome thedrag in prototype. The air in the model and prototype can be assumed to have the sameproperties?

8

SECTION - V

(a) Derive an expression for the discharge through a channel by Chezy’s formula?

(b) A rectangular channel 1.5 m wide carries a discharge of 9.0m3/s at depth of 2.0m. Calculatethe i) specific energy and ii) depth alternate to the given depth of 2.0m.

(a) Draw specific energy curve showing the salient features. Derive the condition for maximumdischarge for a given value of specific energy?

(b) A trapezoidal channel has one side vertical and the other side has a slope of 1.5 H: 1 V.Calculate the discharge in this channel for a depth of flow of 0.90 m. The channel has alongitudinal slope of 1 in 3000 and Manning’s N=0.02.

9

10

SECTION - VI

(a) Explain in detail the classification of water surface profiles in GVF with examples?11

(b) A sluice gate discharges water into a horizontal rectangular channel with a velocity of 6m/sec. and depth of flow 0.4m. The width of the channel is 8m. Determine whether ahydraulic jump will occur and if so find its height and loss of energy per kg of water.(a) In a rectangular channel of width 24m and depth of flow 6m, the rate of flow of water is86.4m3/s. If the bed slope of the channel is 1 in 4000 find the slope of the free water surface.Take Chezy’s constant C = 60.

12

(b) Define hydraulic Jump? Derive the equation for loss of energy in a hydraulic jump?

1I

,-"T

Code : 17CE2103

B.TECH. DEGREE EXAMINATION, NOVEMBER 2019

II B.Tech. I SemesterBUILDING PLANNING & DRAWING

(Civil Engineering)Max. Marks: 60Time: 3 hours

Note: Answer Two full questions from Part A and Question 4 from Part B.Assume suitable data wherever necessary

Drawing sheets should be folded to the size of answer book and fasten it severely to main answer book* * *

PART-A1 (a) Explain the functional requirements of a residential building.

(b) Explain the list of documents necessary for the approval of a building plan.

2 (a) Explain the factors influencing the planning of hospital building.(b) Describe the standard sizes of doors and windows of a residential building.

3 (a) Discuss the preliminaries of Vaasthu for planning of buildings,

(b) Enumerate the various functional requirements of buildings.PART-B

4 (a) Draw the Conventional signs and symbols for the following(i) Plaster (ii) Sand (iii) Concrete (iv) Stone and (v) Glass

(b) The line diagram of a residential building is shown in Fig.1.Draw the (i) Plan and (ii) Elevation. Adopt doors, windows and ventilators ofstandard size. W

V —w Kitchen

3.6 m x 3 mw

Toilet1.5 mxl ,8m

w D1 D DBed Room

3.5 m x 4 m DToilet

V 1.8 mx 1.5 in Dining Hall3.6 m x 4.2 mLiving Room

4 m x 4.5 mD WD1

D1V DToilet1.8 m x 1.5 m

- D WBed Room3.5 m x 3.5 m

Verandah4 m x 2 m

wFig.l

Code : 17MC2102B.TECH. DEGREE EXAMINATION, NOVEMBER 2019

II B.Tech, I SemesterTECHNICAL ENGLISH & SOFT SKILLS

(Common to CE & ME)Time: 3 hours Max. Marks: 60


* * *

SECTION -1

What is the purpose of a technical presentation and how to plan a technical presentation?1.

What body language should one project for Presentation?2

SECTION - II

What are the advantages of group discussion?3

Which are the dos and don'ts expected in a participant while he/she is participating in a4

group discussion in general?

SECTION - III

What is the importance of a resume’ and explain in detail the format of resume’?5

Prepare your resume’ along with the cover letter for applying for the post of Project6

Manager in Cap Gemini, Visakhapatnam Branch?

SECTION - IV

Why non-verbal communication is important in the process of communication?7

Write a short note on. Proxemics and kinesics,?8

SECTION - V

What are the techniques required to develop problem solving skills? How do you develop

the positive attitude when you are facing frequent problems or failures?

9

10 How can soft skills be helpful in getting a job?

SECTION - VI

Discuss in detail what etiquettes are to be followed in corporate culture?11

12 what are the benefits of career planning and time management?

7

:

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Code : 17CE2104B.TECH. DEGREE EXAMINATION, NOVEMBER2&L.9

II B.Tech. I SemesterSURVEYING - 1

(Civil Engineering)Time:3 hours Max. Marks: 60

Answer SIX Questions, Choosing ONE Questionfrom each sectionAll Questions carry equal marks

* * *SECTION - I

(a) Illustrate with a sketch the difference between plane and geodetic survey1

(b) Explain the two mainprinciples of surveying with relevant sketches.(a) Explain the following terns with neat sketches

(i) Base line, (ii) Check line, (iii) Tie line, (iv) Oblique offset, (v) Perpendicular offset.2

(b) A river flowing from West to East. For determining the width of river two points A and B areselected on the southern bank, such that the distance AB= 75 m,point A is westward.Thebearings of a tree on the northern bank are observed to be 38° and 338° respectively fromA and B.Calculate the width of river.

SECTION- II

(a) Explain the different sources of errors in compass surveying and state the precautions to betaken to avoid errors.

3

(b) Determine the values of included angles in the closed compass traverse ABCD conductedin the clockwise direction,given the following fore bearings of their respective lines:Line AB BC CD DAFore Bearing 70°40° 21° 280°

(a) What is closing error of traverse? Explain the graphical method of adjustment of closingerror.

4

(b) The following are the observed bearing of lines of a traverse taken with a compass in aplace where the local attraction was suspected;correct the bearings for local attraction.

Line F.B B.B

AB 55°30'125°15'185°45'283°45'

235°30'304°15'08°45'

101°45'

BCCDDA

SECTION - III

5 (a) Explain how you would set up a Plane Table at a station.

(b) What do you understand by the term Resection? Explain plane table resection method indetail.

6 (a) Distinguish between resection and intersection methods as applied to plane tablesurveying. •s.

(b) Explain the solution to three-point problem by tracing paper method.

SECTION - IV

7 (a) Explain the differences between the height of collimation method and the rise & fallmethod of reduction of levels.

(b) The following consecutive readings were taken with a level and four meter leveling Staff oncontinuously sloping ground at a common interval of 20m:0.485;1.450;1.925;2.820;3.730;3.985;0.735;2.125;3.110;3.785The reduced level of the first point was 365.500m. Rule out a page of level field book andenter the above readings. Calculate the reduced levels of the points.

(a) Explain the terms profile levelling and cross-sectioning.8

(b) A level was set up at a point C at a distance of 100 m from A and 1000 m from B. The staffreading on the staff kept at A was 0.445 m and that on the staff held at B was 2.845 m.Find the true difference in elevations of A and B.

SECTION - V

9 (a) Explain contour interval and interpolation of contours,

(b) Explain the contouring by tacheometric method.

10 (a) Explain with a neat sketch how can you determine the capacity of a reservoir using contourmap.

(b) Explain the method to locate a contour gradient in the field with a level.

SECTION - VI

The offsets taken form a chain line to a curved boundary are given below:11Chainage 5 10 15 20 25 35 45 55 65(m)

Offset 2.5 3.8 8.4 7.6 10.5 9.3 5.8 7.8 6.9 8.4(m)

Find the area between the chain line, the first and last offsets, and the boundary byTrapezoidal and Simpson's rule.

An excavationis in the form of a rectangle, 40 m X 18 m. The depths of excavation at thecorners are 2.85, 3.25, 2.55, and 3.05 m. The depth of excavation at the intersection of thediagonals is 2.9 m. Find the volume of the excavation.

12

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40 i

i ‘

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ICSL.Code : 17CE2105

B.TECH. DEGREE EXAMINATION, NOVEMBER . 2019II B.Tech. I Semester

ENGINEERING GEOLOGY(Civil Engineering)

Time: 3 hours Max. Marks: 60


* * *

SECTION - 1

(a) Discuss the application of Geological Knowledge in Civil Engineering.

(b) Briefly describe the branches of Geology.1

2 (a) Describe the Physical properties of Minerals.(b) Write a notes on the following.

1.Feldspars 2.Quartz

SECTION - II

3 (a) Explain different types of Volcanic eruption.(b) Briefly give an account on classification of Igneous rocks.

4 (a) Briefly explain the Structures of Sedimentary rocks.

(b) Explain briefly the types of Metamorphism.

SECTION - III

5 (a) Define rock Weathering. Explain different types of Weathering,

(b) Give an account on Coastal deposits.

6 (a) Explain the Geological action of wind.

(b) Describe the various stages of a River course.

SECTION - IV

7 (a) Explain the types of folds with neat sketches,

(b) Describe the types of rock deformation.

(a) How to recognize faults in the field.(b) Explain the importantance of Structural elements in the engineering operations.S

SECTION - V

9 (a) Describe the types of Landslides and give preventive measures.(b) Give a note on Seismic zones in India.

Describe the Magnitude and Intensity of Earthquake.

(b) Describe the role of Rock Properties which influence the Water table.10 (a)

SECTION - VI

11 (a) Give a note on Geological considerations for the Selection of Dam sites,

(b) Explain Few failures of Reservoirs in India.

Analyze the presence of faults near the location of Reservoir.

(b) Discuss the Suitable geological characters for the tunnel sites.12 (a)

v̂Code : 17EE2102


GENERATION OF ELECTRIC POWER(Electrical & Electronics Engineering)

Time: 3 hours Max. Marks: 60Answer SIX Questions, Choosing ONE Question from each section

All Questions carry equal marks* * *

SECTION - I

Discuss and compare the performance of different types of boilers used in thermalpower plants1

(a) What are the factors to be considered while selecting the site for a thermal powerstation?(b) With a neat sketch, explain working of economizer in thermal power plant.

2

SECTION - II

3 (a) What is a pumped storage plant? Explain the advantages of a pumped storage plantfor short peak load operation.(b) Explain the significance of surge tank in a reservoir type hydro electric power plant.

Illustrate the functions of the following:(i)Dam (ii) Spillways (iii) Hydro turbine (iv) Head works (v) Draft tube.

4

SECTION- III

(a) With the help of a neat sketch describe the working of a pressurized water reactor(PWR) used in a nuclear power plant.(b) Differentiate between nuclear fission and fusion reactions.

5

With a neat diagram and labeling, explain the operation of a nuclear power plantmentioning the function of each part.6

SECTION - IV

(a) What is the need for alternate energy sources? Explain the methods of generatingelectrical power from solar energy.(b) Enumerate different types of concentrating type solar collectors.

7

(a) What is the principle of solar photovoltaic power generation? What are the maincomponents of a solar PV system?( b) Draw the layout of a solar power plant with proper labeling.

8

SECTION - V

9 (a) List the various components present in a wind turbine and explain the function ofeach.

(b) Illustrate the variation of power output with wind speed and also mention theapplications of wind mill.

]o (a) Briefly explain the operation of vertical-axis wind turbine with a neat sketch?(b) Discuss the factors to be considered while selecting the site for wind power system.

SECTION - VI

11 (a) What do you mean by tariff? Compare various tariff types used in practice?(b) A power station has a maximum demand of 15000kW. The annual load factor is 40%

and plant capacity factor is 40%. Determine the reserve capacity of the plant.

A generating station has the following daily load cycle:12

Time 0-6 6-10 10-12 12-16 16-20 20-24(Hours)Load 40 50 60 50 70 40s(MW)

Draw the load curve and load duration curve and fmd (i) maximum demand (ii) unitsgenerated per day (iii) average load and (iv) load factor.

Code : 17MC2101


ENVIRONMENTAL STUDIES(Common for EEE, ECE ,CSE & IT)

Max. Marks: 60Time: 3 hours


* * *

SECTION - I

1 (a) Define an environment. Give an account of the objectives of environmental study.(b) Explain the importance of environmental studies.

(a) Name different components of environment. Mention their specific role in nature.(b) Explain the scope of environmental studies.

2

SECTION - II

(a) Explain the effects of modem agriculture practices.(b) Explain the importance of dams and their effects on forests and tribal people.(a) Describe the rain harvesting practices and its future importance.(b) Explain the various renewable source of energy

3

4

SECTION - III

5 (a) Discuss about the structural and functional components of an ecosystem,

(b) Describe the salient features of a forest ecosystem.

6 (a) Explain the value of biodiversity.

(b) Explain different types of biodiversity conservation.SECTION - IV

7 (a) Explain the various sources and types of air pollutants

(b) Describe the causes and effects of marine pollution.

(a) Discuss the following i) Global warming and ii) Ozone depletion

(b) Explain the methods of composting.8

SECTION - V

9 (a) Discuss the importance of drinking water for public.(b) Write a note on industrialization on quality of environment.

10 (a) Write a brief essay on sustainable development.(b) Explain main stages of environmental impact assessment.

SECTION - VI

11 (a) Discuss the salient features of The Water (prevention and control) Act.(b) Write a note Environment (protection) Act, 1986.

12 (a) Discuss briefly about a case study of Madhura Refinery and Taj Mahal,

(b) Explain with example how field visit increase environmental knowledge.

Code : 17EE2101

B.TECH. DEGREE EXAMINATION, NOVEMBER 2019II B.Tech I Semester

ELECTRO MECHANICAL ENERGY CONVERSION - 1(Electrical & Electronics Engineering)

Max. Marks:60Time: 3 hours

Answer SIX Questions,Choosing ONE Question from each sectionAll Questions carry equal marks

it * *

SECTION - 1

(a) Define Field energy and co-energy. What is the significance of co-energy intorque/force derivation in an electromechanical energy conversion device?

1

fb'l 2' Two coils have self and mutual inductances ofiu = Z22 = and Ln = (l-2x)

The coil resistances may be neglected. If ii=5A and -2A, find the mechanicalwork done when x increases from 0 to 0.5 m. What is the direction of the forcedeveloped?

(a) For a singly-excited magnetic system, derive the expression for mechanical forceand mechanical work done.Make suitable assumptions.

(b) For a linear magnetic circuit, derive the expressions for the stored energy and co-energy.Hence, show that the stored energy is given as

2

B2

J / m3.

SECTION - II

(a) Derive the e.m.f equation of a DC generator and also explain its principle ofoperation.

(b) An 8-pole lap wound armature of a DC machine has 960 conductors, a flux of 40mWb/pole and speed of 400 rpm. Calculate the e.m.f generated on open circuit. Ifthe above armature were wave connected at what speed must it be driven togenerate 400V?

(a) Explain why equalizer connections are used in lap windings and dummy coils areused in wave windings.

(b) A shunt generator has a full load current of 195 A at 250 V. The stray losses are720 W and the shunt field coil resistance is 50 Ohms. It has a full load efficiency of90%. Find the armature resistance. Also find the current corresponding tomaximum efficiency.

3

4

SECTION - III

5 (a) Explain the process of commutation in detail with respect to DC generator. Alsoobtain the expression for “ Reactance voltage”.

(b) A 4-pole, lap-wound armature running at 1500 rpm delivers a current of 150 A andhas 64 commutator segments. The brush spans 1.2 segments and inductance of eacharmature coil is 0.05 mH.Calculate the value of reactance voltage assuming:

i) Linear commutation.ii) Sinusoidal commutation. Neglect mica thickness.

6 (a) Define critical field resistance. Explain the procedure for determination of criticalfield resistance of DC shunt generator experimentally.

(b) The magnetization characteristic for a 4-pole, 110 V, 1000 rpm shunt generator isas follows:

2.5Field current (A) 0 0.5 1 1.5 2 3

11685 102 112 120O.C. voltage (V) 5 50

Armature is lap-connected with 144 conductors. Field resistance is 45 Ohms.Determine

i) Voltage, the machine will build up at no load.ii) The critical resistance.iii) The speed at which the machine just fails to excite.

SECTION - IV

7 (a) Explain the significance of back e.m.f of a DC motor. Derive the torque equation ofa DC motor.

(b) A 4-pole, 220V shunt motor has 540 lap-wound conductors. It takes 32 A from thesupply mains and develops output power of 5.595 kW. The field winding takes 1 A.The armature resistance is 0.09 Ohms and the flux per pole is 30 mWb. Calculate:

i) The speed andii) The torque developed in N-m.

8 (a) Derive the torque equation of a DC motor and explain the types of torques in themotor.

(b) A belt driven DC shunt generator runs at 1500 rpm delivering 10 lcW at 220Vbrushes. The belt breaks, following which the machine operates as a motor drawing2 kW power. What will be its Speed as a motor? The armature and field resistancesare 0.25 Ohms and 55 Ohms respectively. Ignore armature reaction and assume thecontact drop at each brush to be IV.

SECTION - V

9 (a) Explain the various losses taking place in DC machines. With the help of theselosses draw the power flow diagram for a DC generator.

(b) A short shunt compound DC generator supplies a current of 100 A at a voltage of220 V. If the resistance of the shunt field is 50 Ohms, of the series field is 0.025Ohms, of the armature is 0.05 Ohms, the total brush drop is 2 V and the iron andfriction losses amount to 1 kW, find:

i) The generated emfii) The copper lossesiii) The input of the prime mover driving the generator andiv) The generator efficiency.

1o (a) Explain the conditions necessary for the parallel operation of DC generators.(b) Two shunt generators are operating in parallel. The e.m.f. induced in one machine

is 260 V and that induced in the other machine is 270 V. They supply together aload current of 1800 A. If the each machine has an armature resistance of 0.04 Ohmand field resistance 50 Ohms, determine: Terminal voltage and Output of eachmachine.

SECTION - VI

11 (a) Explain how Field's test is conducted on two series machines. How efficiency isfound out from the results of Field's test.

(b) Two identical dc machines when tested by Hopkinson's method gave the followingtest results. Field currents are 2.5 A and 2 A. Line voltage is 220 V. Line currentincluding both field currents is 10 A. Motor armature current is 73 A.The armatureresistance of each machine is 0.05 Ohms. Calculate the efficiency of bothmachines.

12 (a) Explain the purpose of retardation test and how it would be conducted on DC shuntmotors?

(b) If a break test conducted on a DC shunt motor the full load readings are observedas tension on tight side is 9.1 kg tension on slake side is 0.8 kg, total current is 10A, supply voltage is 110 V, speed is 1320 rpm and the radius of the pulley is 7.5 cmcalculate full load efficiency.

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Code : 17EE2103B.TECH. DEGREE EXAMINATION, NOVEMBER 2019

II B„Tech, I SemesterELECTRICAL MEASUREMENTS

(Electrical & Electronics Engineering)Time: 3 hours Max. Marks: 60


* * *

SECTION - I

Discuss in detail, about different types of torques in the indicating measuringinstruments.

1

(a) Define the terms Accuracy and Precision.(b) List out the types of errors in measurement.

2

SECTION - II

Explain the principle and operation of attraction and repulsion type moving ironinstruments and State its advantages and disadvantages.

3

With usual notation derive an expression for the deflection torque in a PMMCinstrument.

4

SECTION - III

Explain the principle and operation of single phase electrodynamometer wattmeter indetails. And state the expression for deflecting and control torques.

5

• 6 (a) What is phantom loading? Explain with an example how it is more advantageousthan testing with direct loading?

(b) Explain the construction and working of a single phase induction type energy meter.Show that the total number of revolutions made by its disc during a particular time isproportional to the energy consumed.

SECTION - IV

(a) Explain the operation of MI type single phase Synchro scope.(b) Explain the operation of Weston type frequency meter.

7

(a) Derive expressions for the Phase angle errors of a current Transformer with a neatphasor diagram

(b) A 100/5A, 50 Hz current transformer has a bar primary and a rated secondary burdenof 12.5VA. The secondary winding has 196 turns and a leakageinductance of 0.96mH. With a purely resistive burden at rated full load, themagnetizing mmf is 16AT and the loss excitation required 12A. Find ratio and phaseangle errors.

8

SECTION - V

9 (a) Explain the construction and working of a polar type Potentiometer.Explain the method for standardizing it.

(b) What are the sources of errors in the above potentiometer.

Explain the standardization of polar and co-ordinate type AC potentiometers indetail.

10

SECTION - VI

(a) Draw the wheat stone bridge and derive the equation of bridge balance.(b) Find the equivalent parallel resistance and capacitance that cause a wein bridge to

null with the following component values.R(=4K 0, C2=47mF, R2=47IC Q, R4=80K O, f=2,5KHz.

11

(a) Explain the working of Kelvin double bridge. Derive the unknownresistance equation

(b) Describe with the help of diagram the loss of charge method for determining theinsulation resistance of a length of a cable.

12

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Code : 17EC2101

B.TECH. DEGREE EXAMINATION, NOVEMBER 2019II B.Tech. I SemesterSIGNALS & SYSTEMS

(Common for EEE & ECE)Time: 3 hours Max. Marks: 60


* it *

SECTION - I

1- ( d,) Find neither whether the following signals are even or odd or neither evennor odd (i) x(t)= ex"3' (ii) u(t+4)-u(t-2)

b) Explain the following elementary signals(i) Rectangular Function (ii) Sine Function

2 (a) Examine whether the following signals are periodic or not? If periodic determine£ the fundamental period.(i) cos 2t + sin V3t (ii) 3 sin 200nt + 4 coslOOnt

b) Explain the following elementary signals

(i) Triangular Function (ii) Signum Function

SECTION - II

3 (a) Obtain the trigonometric fourier series for the waveform given below.x(t>

A

y s's .tO-X/2 T/Zy s's' s'y' s'y s'•A

4 (a) Derive the expressions for Exponential Fourier Series coefficient.

(b) Find the average power of the signal x(t) = cos2(5000nt)sin(20000nt).If this signal is transmitted through a telephone system which blocksdc and frequencies above 14 kHz, then compute the ratio of receivedpower to transmitted power.

SECTION - III

5 (a) State and prove the following properties of Fourier Transform,

(i) Convolution (ii) Differentiation in frequency.(b) Find the Fourier Transform of the following signals

(ii) x(t) = e ~at u(t) (iii) x(t) = A(i) x(t) = u(t)

(a) Find the Fourier Transform of6

0 < t <1otherwise= 0

(b) Derive the Fourier Transform from exponential Fourier series.

SECTION - IV

(a) Classify different types of the systems.(k) For a causal LTI system with frequency response H(CJ)=

4+particular input x(t) it is observed that the output is y(t) =(e-zt - e ~4t )u( t ). Find its input x(t).

7

. For a

(a) Discuss the ideal filter characteristics. Classify different types offilters.

(b) What is distortion less transmission system? Derive the relationshipbetween bandwidth and rise time.

8

SECTION - V

Discuss the different ways of classifying the discrete time signals.9 (a)

(b) Check whether the following sequences are energy, power, neitherenergy or nor power signals, (i) x(n) = nu(n) (ii) x(n)( l / 2)n u(n)

10 (a) Determine whether the LTI system y(n) +y(n-l)=x(n)+x(n-2) is linear,causal and time invariant.

(b) Define an LTI system and explain its properties.

SECTION - VI

(a) Explain Discrete Fourier transform and Inverse Discrete Fouriertransform through frequency sampling concept.

(b) The DFT of a real signal is [1, A, -1, B, 0, -j2, C, -1+j].Find A, B, C

11

(a) State and prove three properties of DFT.12

(b) Find IDFT of sequence X[k] = [5, 0, 1-j, 0, 1, 0, 1+j, 0]

Code : 17EC2102B.TECH. DEGREE EXAMINATION, NOVEMBER 2019

II B.Tech. I SemesterSWITCHING THEORY & LOGIC DESIGN

(Common for EEE & ECE)Time: 3 hours Max. Marks: 60


* * *

SECTION - I

1 (a) Convert the following(i) (127)8 to (x)6 (ii) (232)4 to (y)5

(b) Simplify the following Boolean expressions using laws; realize the given andsimplified expression using NAND gates.(i) / = xy+ xy +xy+xy

(a) Discuss how an 8, 4, -2,-1 code is called as self-complementing code.(b) Implement the full adder using only NAND gates.

2

SECTION - II

3 (a) Simplify the following Boolean functions by finding the essential primeimplicants. Find the minimal SOP expression.(i) /(w,x,y,z) =^(0,2,4,5,6,7,8,10,13,15)(ii) f { A,B,C,D ) =£(1,3,4,5,10,11,12,13,14,15)

4 (a) Using Quine-Mc-Cluskey method, obtain the simplified expression for diefollowing Boolean function.P =£(0,l,2,8,10,ll,14,15)-d(5,7)

SECTION - III

5 (a) Implement full adder sum and carry using(i) 8:1multiplexer(ii) 4:1multiplexer

(b) A combinational circuit is defined by the following three Boolean functions.Design the circuit with decoder and external gates.F x = x y j+ x zF2 = x y J + x yF j - x y z + x y

6 (a) Draw and explain the functionality of BCD adder.

(b) Illustrate the design a 3 bit priority encoder.

SECTION - IV

7 (a) Draw the logic diagram of SR Flip flip using NAND gates, convert that toJKflip flop. Give the truth table and excitation tables of the both flip flops.

8 (a) Give the limitation of JK flip flop; discuss how the limitation overcame by the masterslave JK flip flop.

(b) Discuss how JK can be converted into D and T Flip flops.

SECTION - V

9 (a) Explain the functionality of 5 bit ring and twisted ring counter with its logicand timing diagrams.

(b) Illustrate the various modes of operation of a 4 bit Shift Register.

10 (a) Design a mod 9 synchronous counter using D flip flops.

SECTION - VI

11 (a) A combinational circuit is defined by the function. Implement the circuit with a PLAhaving 3 inputs, four product terms, and two outputs.F{ ( A,B,C ) =^(3,5,6,7)F2U,S,C) =2(°’2’4’7)

(a) Implement the following Boolean equations using a PAL with 4 inputs, four outputsand three wired AND-OR structureW( A,B,C,D ) =Y ( 2.12,13)x( A,B,C ,D ) = (7, 8, 9, 10, 11, 12,13, 14,15) ,y( A,B,C ,D) =£(O’ 2, 3, 4, 5, 6, 7, 8, 10,11, 15)z( A,B,C ,D )=^ (1, 2,8,12,13)

12

Code : 17SH2101


ENGINEERING MATHEMATICS - II(Common to CE, EEE, ECE & ME)



* * *

SECTION - 1

1 (a) Find i) L(e'at sinhbt) ii) L(Ee2t)

(b) 1Find L\ 4t 41

2 (a) Find L(te'lsin3t)(b) CO

Evaluate je~

o

cosat - cosbt dtt

SECTION - II

3 (a) Find L'\ 5^ + 3 )CS-1)(52 + 25 + 5)

/L\

^ 1 Using Convolution theorem find the inverse Laplace transform of — 1sV +1)

4. d 2 xjY + 9x = Coslt if X(0) = 1, X(TT / 2) = -1Solve

SECTION - III V

Find the Fourier series of f(x)= x sinx in (0,2jt).5.

6. 1+ 2x /7c, -n < x < n1-2x / n, 0 < J C < 7T

Obtain Fourier series for the function f(x)=

1 1 1_ _j H ~ +

l2 32 52n2

Deduce that8

SECTION - IV

7 (a) CQsmxco , n~da) - — e2 2

Using Fourier integral representation, show that J0 l + ft>

(b) Find the Fourier transform of f(x)= 1 for |x|<1oo

|x|>1 . Hence evaluate f~~ -dx0 x

0 for

Find the Fourier Cosine transform of f(x)=l/'l+x2 . Hence derive Fourier sinetransform of g(x)=x/l+x .

8.

SECTION - V

9 (a) Find i) Z(Sin(3n+5)) ii) Z(e1 sin2t)(b) Find the Z transform of cosnO and hence find Z(n cosnG).

2z2 +3z +l 210 (a)If U(z)= find the values of U2 and U3 .4(z-1)

(b) Find Z(n2 en0)

SECTION - VI

11 (a) 2z2 + 3z-1Find Z(z + 2)(z-4)

(b) z2Using Convolution theorem find the inverse Z transform of

(z-l)(z-3)

Using Z transform, solve by^-yk+i-Vk^O, given that y(0)=y(l)=l.12

»


II B.Tech. I SemesterELECTRICAL TECHNOLOGY

(Electronics & Communication Engineering)Max.Marks:60Time:3 hours


• * * *

SECTION - 1

1 (a) Explain with neat diagram the constructional features and principle of DC generator.(b) A Short shunt compound generator delivers load current of 40A at 200V and hasarmature, series filed and shunt field resistances of: 0.06,0.04 and 190 ohmsrespectively. Calculate the induced e.m.f and the armature current. Allow one voltper brush for contact drop.

2 (a) Draw and explain magnetization and load characteristics of DC shunt generator.(b) A 8-pole DC shunt generator with 800 wave connected aramture conductors andrunning at 500 EPM supplies a load of 13 ohms resistance at terminal voltage of60V. the armataure resistance is 0.25 ohms and the field reistance is 250 ohms. Findthe armasture current the induced e.m.f. and the flux per pole.

SECTION - 11

3 (a) Derive the expression for the electromagnetic torque developed in a DC motor.(b) A DC series motor takes 50A at 200V and runs at 1000RPM. If the armature andfield resistance are 0.5ohms and 0.4 ohms respectively. The iron and friction lossesare 0.6ICW. Calculate the torque developed in the armature. What will be the outputof motor

4 (a) Explain various methods to control the speed of DC series motor.(b) Explain the Swinburne’s test to determine no load losses of a DC motor.

SECTION - III5 (a) Develop an equation for induced e.m.f in a transformer winding interms of flux andfrequency.

(b) A 11000/440V distribution transformer takes a no load primary current 2A at apower factor 0.3 lagging. Find (i) core loss current (ii) magnetizing current (iii) Ironloss

6 (a) Derive the equivalent circuit of a single phase two winding transformer. What theapplication of equivalent circuit.

(b) What are the various losses that occur in a transformer? What is the significance ofconducting QC and SC test on single phase transformer?

SECTION - IV

7 (a) Explain the construction of three phase squirrel cage induction motor.(b) Derive the expressions for starting and maximum torque of induction motor.

8 (a) Explain the working of autotransformer starter with the help of neat circuit diagram.(b) The power input to a 6-pole, 3-phase, 50Hz induction motor is 40KW. The total

stator loss is 1KW and total friction and windage loss is 2Kw. The speed is 960r.p.m.Find (i) slip (ii) rotor copper loss (iii) efficiency.

SECTION - V

9 (a) What is an alternator? Establish the working principle of operation of alternator.(b) A 3-phase, 20 pole, 300 rpm star connected alternator has 180 slots on the armature.

There are 6 conductors per slot. The coils are short-chorded by one slot. If the fluxper pole is 40m/Wb, sinusoidally distributed, find the phase and line values ofinduced e.m.f.

10 (a) Derive the generalized expression for an induced e.m.f. per phase in three phasealternator.

(b) Write short notes on (i) Pitch factor (ii) Distribution factor.

SECTION - VI

11 (a) Explain the double revolving field theory.(b) Draw and explain torque-speed characteristics of capacitor start capacitor run

induction motor.12 (a) Explain any one method to self start single phase induction motor.

(b) Discuss with suitable diagram the construction and operation of a Stepper motor.

Code : 17EC2103


ANALYSIS OF ELECTRONIC CIRCUITS(Electronics & Communication Engineering)



* * *

SECTION - 1

A half wave rectifier circuit connected to a 230 V, 50 Hz source, through atransformer of turn ratio 5:1. The rectifier circuit is to supply power to a 500 Cl,1 watt resistor and diode forward resistance is 100 Cl. Calculate

i) Maximum, average, and r.m.s. value of current and voltage.ii) Efficiency of rectification.iii) Percentage regulation.

1

(a) State the advantages and disadvantages of bridge rectifier circuit.(b) Calculate the value of C’ that has to be used for the capacitor filter of a full wave

rectifier to get a ripple factor of 0.01%. The rectifier supplies a load of 2 KS2 whilethe supply frequency is 50 Hz.

2

SECTION - II

Determine the Q-point values of Ic and VCE for the circuit shown. Assume VCE=8 V,Rb=360 KD and Rc=2 Kfi.

3 (a)

+ VCC9t

A

V«y<m r

(b) Construct the DC load line and plot the Q-point for Question. 3(a)

(a) Draw the circuit of a CB transistor configuration and give its h-parameter model.(b) Calculate the base-to-collector voltage gain of the amplifier shown, when a load

resistance of 5 K£2 is connected to the output.The emitter is effectively bypassed andthe ac emitter resistance is 6.98 Cl. (PDC=150)

4

*nv

2»** C<mm '3

( t<‘S

?!— f zrmoA

^<y5 !ba

SECTION III

(a) For an n-channel JFET, pinch-off voltage Vp= -4 V and IDSS= 10 mA. Unlessotherwise specified assume that in pinch-off (saturation) the output resistance isinfinite. Calculate ID and find the minimum VDS for the device to operate in pinch-offfor VGS= -2 V.

(b) Define the pinch-off voltage for JFET. Sketch the depletion region before and afterpinch-off.

5

6 (a) Define the following in view of FETi) transconductance ii) drain resistance iii) amplification factor

(b) Calculate the value of source resistance Rs required to self bias an n-JFET such that

VGSQ= -3 V. The n-JFET has maximum drain-source current IDSs= 12 mA and pinch-off voltage VP= -6V.

SECTION - IV

(a) The output resistance of a voltage series feedback amplifier is 10 Q. If the gain of thebasic amplifier is 100 and the feedback fraction is 0.01, what is output resistance ofthe amplifier without feedback?

(b) Explain bootstrap emitter follower circuit.

7

(a) Two transistors having current gains of 100 and 80 respectively form Darlington pair.How much is current gain of the Darlington pair.

(b) Outline the general method for obtaining the high-frequency response of twointeracting transistor amplifier stages.

8

SECTION - V

9 (a) For the circuit shown with Rc= 4 KO, RL= 4 K£2, RB= 20 KX2, Rs= 1 KO and thetransistor parameters are hie:= 1.1 K£2, hfe=50, hre= 2.5 * 104, hoe= 24 pS. Find thecurrent gain. Neglect all capacitive effects and source current is Is= 2 mA. (VBB= 3V)-V.oc

It•r 0 4

t FI_*

iF t V i— < y i.ti

F t,i

(b) In terms of what four parameters is the high-frequency response of CE stageobtained.

10 (a) Explain why the 3-dB frequency for current gain is not same as/H for voltage gain

(b) Draw the small-signal equivalent circuit for an emitter-follower stage at highfrequencies.

SECTION - VI

11 (a) Draw a feedback amplifier in block diagram form, Identify each block, and state itsfunction.

(b) Explain the four possible topologies of a feedback amplifier.

12 (a) Sketch the circuit of Wien bridge oscillator. Will oscillations take place if the bridgeis balanced? Explain.

(b) i) In a Wein bridge oscillator, if R= 100 KQ and frequency of oscillation is 10 KHz,calculate the value of capacitor,ii) What is the condition for sustained oscillation in Hartely oscillator?

1-5

Code : 17EC2104


ELECTRO MAGNETIC FIELDS & WAVES(Electronics & Communication Engineering)



* * *

SECTION - I

(a) Express vector B = — ar + rcosO ae + a(p in Cartesian and cylindrical co-ordinates.Find B(-3,4,0) and B(5,n/2,-2)

(b) Find the gradient of following scalar fieldsV — e ~z sin 2xcoshyU = p2 z cos2cpW = 10 r sin26 cosq>

1

(i )(ii )(iii)

(a) Calculate the areas of the following surfaces using differential surface area dSp — 2, 0 < z < 5, n/ 3 < (p < TT/2r = 10, n/4 < 9 < 2n/ 3, 0 < (p < 2n

2( i )00

(b) Given that H = x2 ax + y2 ay , evaluate / H.dl where L is along the curve y = x2

from (0,0) to (1,1)

SECTION - II

(a) State Coulombs law of force? Point charges 5nC and -2nC are located at (2,0,4) and(-3,0,5) respectively.

3

Determine the force on InC point charge located at (1,-3,7)i)Find the electric field E at (1,-3,7)ii)

(b) Derive the expression for Electric filed intensity E at any point (x,y,z) due to finitelength line charge of density pL C/m on z-axis. From this derive the expression for Edue to infinite line charge.

4 (a) i) State Gauss’s law? From this derive first Maxwell’s equation in differential formand integral form.ii) Using Gauss’s law, Find Electric Flux Density (D) and Electric Field Intensity (E)due to infinite sheet charge of density ps C/m2 on z — 0 plane.

(b) Determine the volume charge density due to each of the following electric fluxdensities

D = 8xy ax + 4 x2 ay C/m2

D — p sin <p ap + 2 p cos (p a(f) + 2z2 C/m2i)ii)

SECTION - III

(a) Derive the Continuity equation and Relaxation time for time varying fields.(b) Define Current Density (J). For the Current Density = 10 z sin2cp ap A/m2 . Find

the current through the cylindrical surface p = 2,1 z < 5 m

5

6 (a) Derive the Dielectric- Dielectric boundary conditions for electro static fields.

(b) State the Second Maxwell’s equation in differential and integral form for electrostaticfields also derive the relation E = - V V

SECTION - IV

(a) State Biot-Savarf s law? Find out the expression for magnetic field intensity due toinfinite long current carrying conductor on z-axis.

(b) Derive the expression for Lorentz force equation?

7

(a) Define Ampere’s circuit law. A circular loop on x2 + y2 = 9, z — 0 carries a directcurrent of 10A along aip.Determine H at (0,0,4) & (0,0,-4).

D2Define Vector magnetic Potential. Given the magnetic scalar potential A = — azWb/m. Calculate the total magnetic flux crossing the surface

(p = -,l p 2 m, 0 < z < 5 m.2r

8

(b)

SECTION - V

9 (a) Derive the Boundary conditions between two magnetic media.(b) Given that Hx = — 2ax + 6 ay + 4 az A/m in the region y — x — 2 < 0

Where px = 5 p0 > Calculate i) Mt and ii) H2 and B2 in the region y — x — 2 > 0where p2 = 2 p0

10 (a) In a certain material for which p = 6.5 p0, H = 10 ax + 25 ay - 40 az A?m. FindThe Magnetic susceptibility Xm of the materialThe magnetic flux density BThe Magnetization MThe Magnetic energy density

i)ii)iii)iv)

(b) Derive the expression for energy stored in magnetic field.

SECTION - VI

(a) Define Faraday’s law of electro-magnetic induction and derive the expression forTransformer e.m.f?

(b) A conducting circular loop of radius 20 cm lies in Z = 0 plane in a magnetic filedB = 10 cos 377t az mWb/m2. Calculate the induced voltage in the loop.

(a) State the Maxwell’s equations in differential form & integral form time varyingfields.

(b) A parallel plate capacitor with plate area of 5 cm2 and plate separation 3mm hasvoltage 50 sin 10 t Volts applied to its plates. Calculate the displacement currentassuming e =2 so-

il

12

ir̂Code : 17ME2101

B.TECH. DEGREE EXAMINATION, NOVEMBER 2019II B.Tech I Semester

FLUID MECHANICS(Mechanical Engineering)



* * *

SECTION - I

(a) Define compressibility and bulk modulus of a fluid.(b) Calculate the specific weight, density and specific gravity of two liters of a liquid

which weight 15 N.

1

(a) Define density, specific weight, specific volume, specific gravity and viscosity of afluid.

(b) Assuming that the bulk modulus of elasticity of water is 2.07xl06 kN/m2 at standardatmospheric conditions, determine the increase of pressure necessary to produce 1%reduction in volume at the same temperature.

2

SECTION - II

(a) What do you understand by total pressure and centre of pressure?

(b) Determine the total pressure and depth of centre of pressure on a rectangular plate of1 m wide and 3 m deep when its upper edge is horizontal and 2 m below the freewater surface.

3

4 (a) Discuss the Pascal’s law and prove it.(b) Estimate the total pressure on a circular plate of diameter 1.5 m which is placed

vertically in water such that centre of plate is 2 m below the free surface of water.Also determine the position and centre of pressure

SECTION - 111

A fluid flow field is given by V = x2yi + y^j - (2xyz+yz2)k. Calculate the velocityand acceleration at the point (2, 1, 3).5

Water is flowing in a pipe having diameter of 300 mm at a rate of 250 lit/s. If thepipe is bent by 135° (that is change from initial to final direction is 135°), find themagnitude and direction of the resultant force on the bend. The pressure of waterflowing is 39.24 N/cm2.

6

SECTION - IV

7 (a) Distinguish between U-tube differential manometer and inverted U-tube differentialmanometer. Where are they used?

(b) A simple U-tube manometer containing mercury is used to measure the pressure ofan oil of specific gravity 0.8 flowing in a pipe. Its right limb is open to atmosphereand left limb is connected to the pipe. The centre of the pipe is 9 cm below the levelof mercury in the right limb. If the difference of mercury level in the two limbs is15 cm, determine the absolute pressure of the oil in the pipe.

(a) Describe the working of Piezometer and U-tube manometer.

(b) A U-tube differential manometer connects two pipes A and B. Pipe A containscarbon tetrachloride having specific gravity 1.594 under a pressure of 11.772 N/cm2

and pipe B contains oil of specific gravity 0.8 under a pressure of 11.772 N/cm2. Thepipe A lies 2.5 m above pipe B. Find the difference of pressure measured by mercuryas fluid filling U-tube.

8

SECTION - V

(a) Classify the orifices and mouth pieces based on their shape, size and sharpness.(b) A horizontal venturimeter having 75 mm diameter at throat and 150 mm diameter at

the enlarged end carrying an .oil of specific gravity 0.9. The difference of pressurehead between the enlarged end and the throat recorded by U-tube is 175 mm ofmercury. Determine the discharge through the pipe. Assume coefficient of dischargeas 0.97.

How are the weirs and notches classified?

(b) An orifices meter with orifice diameter 10 cm is inserted in a pipe of 20 cm diameter.The pressure gauges fitted upstream and downstream of the orifice meter givereadings of 19.62 N/cm2 and 9.81 N/cm2 respectively. Co-efficient of discharge of

the orifice meter is 0.6. Find the discharge of water through the pipe.

9

10 (a)

SECTION - VI

(a) Explain the terms: (i) Pipes in parallel (ii) Pipes in series and (iii) Equivalent pipe.

(b) An oil of viscosity one Poise and specific gravity 0.9 flows through a horizontal pipeof 25 mm diameter. If the pressure drop per meter length of pipe is 12 kPa, determine

(i) The rate of flow in N/miii (ii) The shear stress at the pipe wall (iii) Reynolds

number of flow and (iv) Power required per 50 m length of pipe to maintain the flow.

11

(a) Derive Darcy- Weisbaeh equation.(b) A horizontal pipe of diameter 50 mm carrying glycerine of density 175.3 kg/m3. If

the shear stress at the wall of the pipe is 196.2 N/m2. Determine (i) The pressuregradient (ii) The average velocity and (iii) Reynolds number of flow.

12

IcOL

Code : 17ME2102B.TECH. DEGREE EXAMINATION, NOVEMBER 2019

II B.Tech I SemesterSTRENGTH OF MATERIALS

(Mechanical Engineering)Time: 3 hours Max. Marks: 60

Answer SIX Questions. Choosing ONE Question from each sectionAll Questions carry equal marks

* * *

SECTION - I

1 (a) What are shear force and bending moment? Give an example for pure bending ofbeam.

(b) A beam of 10 m span is freely supported at its ends. It carries a uniformly distributedload of 4 kN/m from the left end over the length of 3 m along with a 4kNconcentrated load at 2 m from the right end. In addition, the beam is also subjectedto a couple of 10 kNm in clockwise at a section 5m from the right end. Draw theshear force and bending moment diagrams *

(a) Derive the relation between load intensity, shear force and bending moment.(b) A simply supported beam of length 5 m carries a uniformly increasing load of 800

N/m run at one end to 1600 N/m run at the other end. Draw the shear force andbending moment diagrams for the beam.

2

SECTION - II

(a) State the theory of simple bending and list out its assumptions.(b) A rectangular beam of 200 mm breadth and 400 mm depth is simply supported over a

span of 4 m and carries a distributed load of 10 kN/m including self weight.Determine maximum bending stress in the beam.

(a) Derive an expression to determine shear stress at a point on the rectangular beamsection distant “ y” from the neutral axis.

•i

(b) An I-section beam of flanges 200 mm x 20 mm and web 300 mm x 10 mm is actedupon by a shearing force of 150 kN. Determine the maximum shear stresses in theweb and flanges.

3

4

SECTION - III

(a) Discuss briefly about Macaulay’s method to determine slope and deflection of beam.(b) A simply supported beam of 8 m length carries two concentrated loads 20 kN at a

point 4 m from the left end and 8 kN at a point 2 m from the right end. Determine theposition and magnitude of maximum deflection.

5

6 A beam ABCDE is simply supported at A and E, carries a uniformly distributed loadof 4 kN/m over BC and a concentrated load of 8 kN at D. AB = BC =CD = DE = 2 m.If E = 200 GPa and I = 21000000 mm4, determine deflections under B, C and D.SECTION - IV

7 (a) Define the state of pure shear, Give several examples. Make a list of Assumptions fortheory of pure torsion(b) A solid circular shaft 100 mm in diameter is subjected to a torque of 12 kNm.Determine the maximum shear stress developed and the amount of twist over a lengthof 2 m. Take G = 80 GPa.

(a) Derive the expression to determine hoop and longitudinal strains in the wall of a thincylinder with and without internal pressure.(b) A copper tube of 50 mm internal diameter, 1 m long and 1.25 mm thick has closed

ends and is filled with water under pressure. Neglecting any distortion of the endplates, determine the alteration of pressure when an additional volume of 3 cm3 ofwater is pumped into the tube. Take E for copper = 103 GPa, Poisson’s ratio = 0.3and K for water = 2.1 GPa.

8

SECTION - V

(a) Derive the expression for crippling load when both ends of the column are hinged.(b) Calculate the safe compressive load on a hollow cast iron column (one end fixed and

other *end hinged) of 15 cm external diameter, 10 cm internal diameter and 10 m inlength. Use Euler’s formula with a factor of safety of 5 and E = 95 kN/mm2.Find the Euler crushing load for a hollow cylindrical cast iron column 20 cm externaldiameter and 25 mm thick if it is 6 m long and is hinged at both ends. Take E = 120GPa. Compare the load with crushing load as given by Rankine’s formula taking= 550 MPa and a = 1/1600: for what length of the column would these two formulaegive the same crushing load.

9

10

<?c

SECTION - VI

11 (a) Derive the expressions to determine maximum and minimum principal stresses undergeneral biaxial state of stress.

(b) At a point P in the structural element, the rectangular stress components are<7 x ~ 3 MPa, a y= 1 MPa and T x y = 2 MPa. Determine graphically using Mohr’s circlediagram the principal stresses, principal planes and principal shears.What is distortion? Derive the expression for determining the distortion energy perunit volume of a part under triaxial stress state. Explain how the maximum distortionenergy theory of failure supports a body under hydrostatic pressure.

12


II B.Tech I SemesterELECTRICAL MACHINES & CONTROL SYSTEMS

(Mechanical Engineering)

Time: 3 hours Max. Marks:60


* * *

SECTION -Jf a) With a neat construction details, briefly explain the principle of operation of DC

generator.(b) Explain magnetization characteristics of a DC shunt generator.

2 (a) From fundamentals, derive the EMF equation of a DC generator.O') A 30KW, 300V DC Shunt Generator has armature and shunt field resistance of

0.050 and 100Q respectively. Calculate the total power developed by the armaturewhen it delivers full load output.

1

SECTION - II

3 (a) Explain in detail what are the losses in DC motor.(b) Briefly explain the characteristics of different types of DC motors.

4 (a) Explain the necessity of starters in DC motor? With neat diagram briefly explain theThree-point Starter.

(b) A 20 KW, 250 V dc shunt motor has a full-load armature current of 85 A at 1100rprni The armature resistance is 0.18 ohm. Determine (a) the initial torque developed;(b) the internal torque if the field current is suddenly reduced to 80% of its originalvalue

SECTION - III

5 (a) Derive an expression for induced e.m.f. in a transformer in terms of frequency, themaximum value of flux and the number of turns on the windings.

(b) A 230 V/l15 V ferngle phase transformer takes a no load current of 2 A at a powerfactor of 0.2 lagging with low voltage winding kept open. If the low voltage windingis now loaded to take a current of 15 A at 0.8 power factor lagging find the currenttaken by high voltage winding.

(a) What is an auto transformer? What are the advantages possessed by autotransformers?

6

(b) A 230 V, 2.5 kVA single phase transformer has an iron loss of 100 W at 40Hz and 70W at 30Hz. Find the hysteresis and eddy current losses at 50Hz.

SECTION - IV

(a) What is microprocessor? What are the advantages and disadvantages ofmicroprocessors?

(b) What are the basic units of microprocessors and explain in detail.

7

(a) Briefly explain the addressing modes of 8085 microprocessors.(b) What is an instruction? Explain any 10 instructions with an example.

8

SECTION - V

(a) Define Transfer function? Compare open loop and closed loop systems.(b) Briefly explain the analogy between the electrical and mechanical systems with an

example.What is the classification of control systems and discuss the importance ofmathematical modeling of a control system.

(b) Discuss the effect of P and PI on performance of a control system.

9

10 (a)

SECTION - VI

11 (a) What are the major components of PLC? Explain them in detail.(b) Write short notes on

(i) I/O modules(ii) Role of PLC in automation.

12 (a) Define SCADA? List the potential benefits of SCADA.

(b) Briefly explain any five features of SCADA.

Code : 17ME2103B.TECH. DEGREE EXAMINATION, NOVEMBER 2019

II B.Tech I SemesterBASIC MANUFACTURING PROCESSES

(Mechanical Engineering)Time: 3 hours Max.Marks: 60


* * *

SECTION - I

(a) What is the principle of centrifugal casting process? Explain the working with neatdiagrams? Mention the applications of centrifugal casting process?

(b) How the size and shape of dry sand particles are measured? Explain the effect of thesize and shape of the dry sand on molding sand?

2 (a) Why shell molding is preferred than green sand molding? Explain the shell moldingprocess with neat diagrams? Mention the advantages and limitations of the shellmolding?

(b) Why the allowences are prefer on pattern? Explain their effect on cast product?

1

SECTION - II

3 (a) Explain the non pressurized and pressurized gating systems? what is the effectpressure on cast product?

(b) Explain the need of riser in preparation of cast product? Explain the different types ofrisers with neat diagrams?

4 (a) Explain the working of cupola furnace with neat diagram?(b) Explain the directional solidification?

SECTION - III

5 (a) Explain working principle of Plasma arc welding with neat diagram? Mention themerits and demerits of the process?

(b) Mention the functions of flux in welding?

6 (a) What are the different types of welds? Explain them with neat diagrams?(b) How the leak proof joints prepared for fuel tanks in automobile? Explain the process

with neat diagrams?

SECTION - IV

(a) How the aluminum alloys are welded? Explain the principle of the process with neatdiagram?

(b) What are the different welding defects? Mention cause and remedies for any Fivedefects?

7

(a) Explain the atomic hydrogen welding process with neat diagrams?

(b) Explain the friction welding process with neat diagram?8

SECTION - V

9 (a) Explain the explosive forming technique with neat diagram? Mention the merits anddemerits of the process?

(b) What are the differences between blanking and piercing?

10 (a) What is strain hardening? Explain the effect of it on mechanical properties of thematerial?

(b) Explain the deep drawing process with neat diagram? mention demerits of theprocess?

SECTION - VI

11 (a) How the bolt heads are made? Explain the process with neat diagrams?

(b) Explain the wire drawing process with neat diagrams?

(a) Explain hydrostatic extrusion process with net diagrams?12

(b) Explain the principle operation of rolling with neat diagram? why cluster mills moreprefer than two high rolling mill?

Code : 17ME2104


BASIC THERMODYNAMICS(Mechanical Engineering)



* * *

SECTION - I

(a) Explain quasi-static process. What is its characteristic feature?(b) Explain thermodynamic equilibrium with the help of examples.

2 (a) Write about constant volume gas Thermometer. Why it is preferred over a constantpressure gas Thermometer

(b) A blower handles lkg/s of air at 20°C and consuming a power of 15 kw. The inletand outlet velocities of air are 100 m/s and 150 m/s respectively. Find the exit airtemperature, assuming adiabatic conditions. Take Cp of air as 1.005 kJ/lcgk

1

SECTION - II

3 (a) State First Law of Thermodynamics for a process and show that energy is a propertyof the system.

(b) A stationary mass of gas is compressed without friction from an initial state of 0.S m3

and 0.105 MPa to a final state of 0.15 m3 and 0.105 MPa , the pressure remainingconstant during the process. There is a transfer of 37.6 kJ from the gas during theprocess. How much does the internal energy of gas change?

4 (a) What is PMM1? Why is it Possible?(b) Compute the internal energy change and temperature change for the two processes

involving 1 mole of an ideal monatomic gas. (i) 1500 J of heat are added to the gasand the gas does no work and no work is done on the gas (ii) 1500 J of work are doneon the gas and the gas does no work and no heat is added or taken away from the gas

SECTION - III

5 (a) Starting from a common stage point, draw the PV Diagram for the followingprocess and derive an expression for the work done in each casei) Isobaric processii) Isothermal processiii) Polytropic process.

(b) Derive Dalton"s law of partial pressure. Define amagats law of partial volume

6 (a) State the Avogadro's Law.

(b) A 6.00 L sample at 25.0 °C and 2.00 atm contains 0.500 mol of gas. If we add 0.250

mol of gas at the same pressure and temperature, what is the final total volume of thegas?

SECTION - IV

• 7 (a) State and prove that Kelvin Planck and elausius statements of second Law ofThermodynamics are equivalent

(b) Explain Carnot engine cycle and its efficiency

8 (a) Air flows through an adiabatic compressor at 3 lcg/s the inlet conditions are 2 bar and310k and exit conditions are 20 bar and 560 k. compute the net rate of availabilitytransfer and irreversibility

SECTION - V

9 (a) Prove that entropy is a property of a system.

(b) 5 kg of air at 550 K and 4 bar is enclosed in a closed system, (i) Determine theavailability of the system if the surrounding pressure and temperature are 1 bar and290 K respectively, (ii) If the air is cooled at constant pressure to the atmospherictemperature, determine the availability

A mass of wet steam at temperature 165°C is expanded at constant quality 0.8 topressure 3 bar. It is then heated at constant pressure to a degree of superheat of66.5°C. Find the enthalpy and entropy changes during expansion and during heating.Draw the T-s and h-s diagrams.

10

SECTION - VI

A theoretical diesel engine operates at suction conditions of 1 bar and 300 IC. At theend of compression stroke, the pressure rises to 24 bar. The maximum temperaturelimit of the cycle is 1473K. Determine (i) cut-off ratio; (ii) net work output of thecycle ana (iii) thermal efficiency of the cycle.For air, assume specific heat atconstant pressure and volume as 1.005 kJ/kg.K and 0.717 kJ/kg.K.

1 1

12 (a) Show that efficiency of a Brayton cycle depends only on the pressure ratio.(b) An SI engine operating on Otto cycle, has its inlet parameters as 323 K and 1 bar,

while it develops a maximum pressure of 25 bar. Assuming Bore as 250 mm, Strokeas 375 mm and clearance volume as 0.00263 m3 , determine (i) air standardefficiency and (ii) mean effective pressure of the cycle.

iwCode : 17CS2101


MATHEMATICAL FOUNDATION OF COMPUTER SCIENCE(CSE & IT)


Answer SIX Questions, Choosing ONE Question from eachsectionAll Questions carry equal marks

* *

SECTION - I

Establish the validity of the argument: [0? -» q ) A (-1r v 5) A ( p v /*)]-» [-u? -» 5]Using the rule of contradiction

1

2 (a) Establish the equivalence: ( p => q ) A (r => q ) = { p s/ q ) => q

(b) Show the following implication without constructing the truth table:( p -> q ) -> q => pvq

SECTION - II

Let A,B and C sets. Then show that Af|( B uC) = ( AD3) U ( AflC)j

4 (a) If A and B are subsets of the universal set U, then show that A c z A {J B and( A f ) B ) c z A

(b) For all sets A and B ( A - 3) u ( An B ) = A. Is it true or false. Justify

SECTION - III

5 (a) State and prove additive law of probability

(b) A car hire firm has two cars, which it hires out day by day. The number of demandsfor a car on each day is distributed as a Poisson distribution with mean 1.5. Calculatethe proportion of days on which: (i) Neither car is used, (ii) The proportion of dayson which some demand is refused?

State and prove Bayes theorem. Using Generating function solve the recurrencerelation a n -an_ y -6an_

2 = 0 given a0 = 2 ,a, =16

SECTION - IV

Let A = {1, 2, 3, 4}, give an example of a mapping which is (i) neither symmetric noranti-symmetric, (ii) anti-symmetric and reflexive but not transitive

7

(a) State and prove fundamental theorem on relations

(b) Show that the function f and g both of which are from N x N to N given by

8

f ( x, y ) = x + y and g( x, y ) = xy are onto but not one-one

SECTION - V

9 (a) Define K - regular . Give examples of 2- regular ,3- regular an4- regular graphs

(b) When it can be said that two graphs G1 and G2 are isomorphic?

Prove that ‘A simple graph with n vertices and k components can have at most( ,n - k ){n- k+ ) / 2 edges

10

SECTION - VI

Let G be a group & a & b be the elements of G. Then prove that (i) (a 1 ) 1 = a(ii) (ab~ l )= .

11 (a)

(a) Let R be a ring . Suppose a2= a for every a G R. Prove that R is a commutative ring

(b) Prove that ' Every finite integral domain is a field’

12

MX,

Code : 17CS2102

B.TECH. DEGREE EXAMINATION, NOVEMBER 2019

II B.Tech. I Semester

JAVA PROGRAMMING(common for CSE & IT)



* * *

SECTION - I

(a) What are the limitations of procedural languages? How does object orientedlanguagesovercome the problems of procedural languages?

1

(b) Differentiate between class and object with an example.

(a) Java defines eight primitive types of data. Illustrate with suitable examples2

(b) Write a program to show how arithmetic operators work in Java.

SECTION - II

(a) How are arrays declared and accessed in Java? Explain.3

(b) Write a program to find the sum of rows and columns in a two dimensional array.

(a) Explain any five methods present in Java String class for data manipulation?

(b) Show the process of determining the reverse of a string and length of two strings injava.

4

SECTION - III

(a) Create a class Box with length, width dimensions. Inherit the class Box to a newclass BoxHeight with a new dimension height. Write a program for showing theinheritance.

5

(b) Compare and contrast method overloading and method overriding with examples.

(a) What is a copy constructor? Write a program using copy constructor that reads

numbers and copies that into another.

(b) Define polymorphism. Write a program to demonstrate runtime polymorphism.

6

SECTION - IV

(a) Create an interface with at least one method and implement that interface by within amethod which returns a reference to your interface.

(b) Explain the classes present in java.io.package.

7

(a) Write a java program to demonstrate the keywords try, catch, throw, throws and

finally.8

(b) Mention the differences between threads and processes in Java? Also explain variousways of creating threads in Java?

SECTION - V

9 (a) How is priority set for threads? Discuss with examples.

(b) Explain the methods for the creation and naming of threads in Java.

10 (a) Briefly explain the life cycle of Java applet with the help of a neat diagram.

(b) How are the parameters passed to an Applet? Explain with example

SECTION - VI

11 (a) What is the role of event listeners in event handling? List the Java event listeners.

(b) Write an applet to display the mouse cursor position in that applet window.

12 (a) What is JDBC Connection? Explain the steps to get Database connection in a simplejava program.

(b) What is JDBC API? Explain the common JDBC API components and statements.

Code : 17CS2103B.TECH. DEGREE EXAMINATION, NOVEMBER 2019

II B.Tech. I SemesterOPERATING SYSTEMS

(Common to CSE & IT)Time : 3 hours Max. Marks :60


* * *

SECTION - I

Discuss in brief what system calls are. Their types and usageDiscuss how Storage management takes place in an operating system.

What is protection and Security mandatory for the system and how it can beimplemented.Explain the various Operating system operations.

1 (a)

(b)

2 (a)

(b)

SECTION - II

A Process migrates among various scheduling queues, the OS mist select processesfrom these queues. This selection is done by the scheduler .Explain the variousschedulers in detail.

3 (a)

(b) Write about Inter Process Communication.

What is PCB? What are the contents of it and what is the usage of it?Give the scheduling criteria for the process scheduling.

(a)4

(b)

SECTION - III

Consider a system with 5 processes P0,P1P2,P3,P4 and 3 resources R0,R1,R2.R0 has 10 instances Rlhas 5 instances and R2 has 7 instances. The MAX andALLOCATION data structures are as follows/

5

Ro Ri RiP o l 1 5 3Pi 3 2p 2 j 9 0Pi ! 2 2 2

P A L 4 3 3

Ro Ri R2n

Pc r o i

P C 2 0 0 |P i| 3 0 2P i j 2 1 1P 4 L o o 2 _

if PI requests for [1 0 2 ] then what is the resulting state and give the safesequence if any.If P4 requests for [ 3 3 0 ] the what is resulting state & give safe sequence if

022 i

(0

00any

(iii) If POrequests for [ 0 2 0 ] then what is the resulting state.

(a) What is semaphore? Explain in detail.6

(b) Discuss how synchronization can be achieved through dinning philosophers

problem.

SECTION - IV

(a) When do page faults occur? Describe the actions taken by the operating systemwhen a page fault occurs.

7

(b) Explain why paging is implemented by the operating system? What is demandpaging.

(a) The given page reference string is 70 1 2 0 3 0 4 2 3 0 3 2 1 2 0 1 7 0 1 consider thenumber of page frames is 3. Find the number of page faults for OptimalReplacement Algorithm and First-in -First-out

8

(b) What is the requirement of Second -Chance page replacement and how is itimplemented.

SECTION - V

(a) Explain about file sharing protection.9

(b) How does file system implementation takes place? Explain5

10 (a) Discuss about Network File System.

(b) Explain about Directory Implementation.

SECTION- VI

(a) Discuss the various Disk Scheduling algorithms.1 1

(b) What are the various Disk attachments that can be implemented?

12 (a) It is sometimes necessary to revoke the access rights to the objects shared bydifferent users. Discuss the various issues that may arise during revocation.

(b) Discuss how to implement, security defence at more layers.

Code: 17SH2106


PROBABILITY & STATISTICS(Common for CSE & IT)


Answer SIX Questions. Choosing ONE Question from each sectionAll Questions carry equal marks

* **

SECTION - I

(a) Write the axioms of probability.(b) Three horses A, B and C are running in a race. The probability of A to win the race is

twice that of B, and probability of B is twice that of C. What are the probabilities of

A, B and C to win the race. What are the chances that A to lose the race.

1

2 (a) State and prove addition theorem for two events,

(b) State and prove Bayes’s theorem.

SECTION - II

3 (a) Define a discrete random variable. The following is the probability distribution of adiscrete random variable X. Find the (i) constant ‘k\ (ii) the mean and (iii) the

variance of the distribution.

2 i 31-1 0-2X=xP (X=x) , 0.1 1 k 0.2 j 2k 1 0.3 | k

kxe h, 0 < x < QO

otherwise(b) is a probability density

Find the constant T such that f { x) = 0,

function of a continuous random variable X.

(a) If a die is rolled twice and X is a discrete random variable that denotes the sum of

two digits. Find the probability distribution of X and hence find its mean and

variance.4

A continuous random variable has the following distribution function. Find (i) k, (ii)(b)

for x l0

f(x) the density function. F( x)= k{ x-1)4 for 1 < x < 3for x > 31

SECTION - III

(a) The probabilities of a Poisson variate talcing the values 3 and 4 are equal. Find theprobabilities of the variable taking the values 0 and 2.

(b) X is a normal variate with mean 30 and variance 25. Find the probabilities that (i)26< X < 40 and (ii) X > 45

5

(a) A discrete random variable X has the mean 6 and variance 2. If it is assumed thedistribution is binomial, find P(5 < X < 7).

6

(b) The waist measurements of 800 girls are normally distributed with mean 66 cm andstandard deviation 5 cm. Find the number of girls with waist (i) between 65 and 70cms and (ii) greater than or equal to 72 cms.

SECTION- IV

A population consists of five numbers 2, 3, 6, 8 and 11. Consider all possible samplesof size two that can be drawn with replacement from this population. Find (i) thepopulation mean, (ii) the population standard deviation, (iii) the mean of thesampling distribution of means and (iii) the standard deviation of the samplingdistribution of means.

7

LetL\ = {3,7,8 }, U 2 = {2,4}.Find (i) Mu, (ii) Mu,0«) Gu, (iv)°V2

(v) M8

(vi) oru,-u2u,-u2

SECTION - V

A trucking firm suspects tire claim that the average life time of certain tires is at least28, 000 miles. To check the claim, the firm puts 40 of these tires on its trucks andgets a mean life time of 27, 463 miles with a standard deviation of 1, 348 miles. Whatcan it conclude if the probability if Type-I error is to be at most 0.01?

9

Samples of students are drawn from two Universities and their mean weights andstandard deviations are calculated. Make a large sample test, to test the significanceof the difference between the means.

10

Size of the sampleStandard deviationMean4001055University A10015j University B 57

SECTION - VI

Two independent samples of 8 and 7 items respectively had the following values. Isthe difference between the means of two samples significant?

11

Sample I 11 11 13 11 15 9 12 148 1011 10 13 9Sample II 9

200 digits were chosen at random from a set of tables. The frequencies of the digitswere given below. Use chi-square test to assess the correctness of hypothesis that thedigits were uniformly distributed.

12

6 95 7 83 41 20DigitsFrequency 18 j 19 j 23 I 21 j 16 j 25 j 22 20 [ 21 | 15

U3-Code : 17CS2104


BASIC COMPUTER ORGANIZATION(Common for CSE & IT)

Max. Marks:60Time: 3 hours


* * *

SECTION- I1 (a) Find 2’s complement of the following:

i) 10010 ii) 111000 iii) 0101010 iv) 111111(b) Discuss,the Canonical and Standard forms with examples.

2 (a) Express the following in decimal:i) (10110.0101)2 ii) (165)16 iii) (26.24)8(b) Perform the following binary subtraction of X=1010110 and Y=101010

(ii) Y+X(i) X-YSECTION - II

3 (a) Simplify the following function using K-mapF=A’BC,D,+A’BC,D+AB,CD+AB’CD+AB,CD’+ABCD+A’B’C’D’

(b) Determine the minimal sum of product form ofF(W,X,Y,Z)=£m(4,5,7,12,14,15)+d(2,8,10)

Explain about Decimal Adder with neat diagram.

SECTION- IIIDraw graphical symbols and write characteristic tables, characteristic equations andexcitation tables for the following flip-flops.

(a) SR flip-flop(b) JK flip-flop

4

5

6 Draw and explain the operation of 4 bit shift register with necessary diagrams.SECTION- IV

Explain the functional architecture of the computer system.Explain any Five addressing modes with examples.

SECTION- VExplain the basic organization of microprogrammed control unit.

10 (a) What is a- mapping function? Explain in detail about Direct mapping(b) Write short notes on Associative ;md Set Associative mapping.

SECTION- VIWith a neat sketch explain the working principle of DMA.What is parallel processing? Explain any parallel processing mechanism.

7

8

9

11

12

.*• •

V2Code: 17CS2105


SOFTWARE ENGINEERING(Common to CSE & IT)

Time: 3 hours Max. Marks: 60Answer SIX Questions, Choosing ONE Question from each section

All Questions carry equal marks* * *

SECTION - I

1 (a) List out the different Software Myths(b) Explain about Waterfall Model

2 (a) Discuss about Generic Process frame work(b) What are the phases of the Unified Process

SECTION - II

3 (a) Explain briefly about Engineering Principles(b) What are the Analysis Modeling Principles

Write in detail about Negotiating and Validating requirements4

SECTION- III

Explain about the Design Concept5

Show how to create a Behavioral Model with Suitable example6

SECTION - IV

Recall the concept of Software Architecture7

Illustrate the concept of Designing Class- based Components8

SECTION - V

Explain the importance of Strategic Approach for Software Testing9

Discuss about Control Structuring Testing10

SECTION - VI

Examine the concept of Risk Projection11

Analyze the concept of Statistical Software Quality Assurance12

!

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II B.Tech. I Semester