Diploma in Civil Engineering · (vii) State any two advantages of total station over dumpy level and theodolite. (viii) State the two methods of setting out curves. b) Attempt any

G Scheme Fourth Sem MSBTE QUESTION PAPERS

Sanjay Ghodawat Polytechnic, Atigre | 1

Second Year

Diploma in Civil Engineering

Fifth Semester

MSBTE

Question Papers

Sr. No.

Course/

Semester/

Master

Subject Subject

ABBR

Subject

Code

Page

No.

1

CE - 4G

Transportation Engineering TEN 17418

2 Advanced Surveying ASU 17419

3 Geo Technical Engineering GTE 17420

4 Hydraulics HYD 17421

5 Theory of Structures TOS 17422



Transportation Engineering - 17418

Winter 2017

17418

11718

3 Hours / 100 Marks Seat No.

Instructions – (1) All Questions are Compulsory.

(2) Answer each next main Question on a new page.

(3) Illustrate your answers with neat sketches wherever necessary.

(4) Figures to the right indicate full marks.

(5) Mobile Phone, Pager and any other Electronic Communication

devices are not permissible in Examination Hall.

Marks

1. a) Attempt any SIX of the following: 12

(i) Define „Transportation system‟.

(ii) State Importance of Cross Drainage Works.

(iii) Give the classification of Indian Railways.

(iv) Define Cant deficiency.

(v) Define Afflux.

(vi) Define Culvert.

(vii) Enlist two purpose of tunnel lining.

(viii) State any two uses of tunnels.

b) Attempt any TWO of the following: 8

(i) Explain the role of transportation in development of nation.

(ii) What is rail alignment? State the factors governing rail

alignment.

(iii) Draw the plan and Section Bridge Label all the parts.

2. Attempt any FOUR of the following: 16

a) Explain with neat sketch „coning of wheel‟.

b) Explain any four functions of rail fixtures and fastenings.

c) Define point and crossing.

d) What are sleepers in railway engineering and give different

functions of sleepers.

e) State the factors affecting selection of site of a bridge.

f) Define wing wall? State the functions of wing walls. Enlist different

types of wing walls.



3. Attempt any TWO of the following: 16

a) Explain creep of rails. State principle causes of creeps. How creep

can be prevented.

b) State points to be considered while selection of site for a railway

station.

c) Explain purpose of locomotive yards. State the requirements of

locomotive yards. Draw a layout of rectangular Locomotive Yards.


a) State the functions of bridge bearings. State the types of Bridge

bearings and explain any one.

b) State functions of Abutments and state requirements of good

abutments.

c) Explain suspension bridge with neat sketch. State its advantages

and disadvantages.


a) Explain Needle Beam Method with a neat sketch, also state its

advantages.

b) With the help of neat sketch explain the procedure of transferring

centre line inside the tunnel.

c) Mention various explosives used in tunneling. What precautions you

will ensure while explosions?


a) What is the necessity of tunnel ventilation.

b) List the commonly used drilling machines in tunnelling.

c) What is shaft? State the purpose of providing shaft.

d) State classification of Tunnels.

e) Explain with sketch, effective span, clear span, economical span

and waterway of bridge.

f) Compare RCC bridges with steel bridges with respect to construction

and maintenance.



Summer 2017

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Marks

1. Attempt any TEN of the following: 20

a) Define the term alignment in bridges.

b) Enlist modes of transportation system.

c) Enlist two advantages of railways.

d) Enlist two disadvantages of tunnels.

e) Define Gauge of railway track.

f) Enlist any four types of tunnel as per shapes.

g) Define HFL and freeboard.

h) State the necessity of track maintenance.

i) Enlist two requirements of Piers.

j) Define bearing and approaches.

k) Define tunnel and tunnel ventilation.

l) Define wing wall and abutment.

m) State component parts of bridges.

n) Define permanent way and sleeper density.


a) State the role of transportation in the development of nation.

b) Define gradient. Explain two types of gradient.

c) Define points and crossing. Draw neat sketch of neatly

diamond crossing.

d) State the duties of permanent way inspector and gang mate.

e) State the requirements of ideal sleepers.

f) Define stock rail, wing rail, check rail and angle of crossing in

turnout.




a) Classify bridge according to function, material, span and

alignment.

b) Describe in brief maintenance of bridges.

c) Draw neat sketches of fixed plate bearing and rocker bearing.

d) State purpose of temporary bridge and types of temporary

bridges.

e) Describe in brief factors affecting bridge site selection.

f) Enlist types of culvert and explain any one type with a neat sketch.


a) State the precautions to be taken white construction of tunnels.

b) Define shaft. State the four purposes of providing shafts in tunnels.

c) Define tunnel lining and state purpose of lining of tunnel.

d) Explain in brief transferring of centre line is inside the tunnel with a

neat sketch.

e) Draw tunnel cross-section for railway track.

f) Describe in brief types of explosives used in tunnelling.


a) (i) Draw a neat sketch of a bridge. Show and label all the

component parts.

(ii) Define the following terms:

1) Afflux 2) Effective span 3) Economic span 4) Clear span

b) Enlist methods for tunnelling in hard rock. Explain any one with

neat sketch.

c) Draw a c/s of a broad gauge double line railway track in

Embarkment and name its components and state factors

affecting while selection of gauge.


a) Explain with sketch coning of wheels.

b) Explain super elevation and negative cart.

c) Explain requirements of passenger Bogie yard.

d) Enlist types of bridge foundation. Explain any one type with neat

sketch.

e) Explain needle bean method of tunnelling in soft rock with sketch.

f) Enlist methods of ventilation of tunnel and explain any one method

with neat sketch.



Advanced Surveying - 17419

Winter 2016

17419

16117






(5) Assume suitable data, if necessary.



Marks


(i) State the uses of contour maps.

(ii) Define:

1) Contour 2) Contour interval

(iii) Define Grade contour.

(iv) Define:

1) Telescope inverted 2) Telescope normal

(v) Define the term departure and latitude.

(vi) What are the different fundamental axes of theodolite?

(vii) State any two advantages of total station over dumpy

level and theodolite.

(viii) State the two methods of setting out curves.


(i) State the methods of locating contours and explain direct

method.

(ii) State the application of remote sensing in various fields.

(iii) Describe the temporary adjustment of theodolite.


a) State the methods of contour interpolation and explain in brief

any one.



b) Differentiate between trapezoidal and prismoidal formula for

computation of volume.

c) The following readings were recorded by a planimeter with the

anchor point inside the figure. IR = 9.377, FR = 3.336, M = 100

cm2 and C = 23.521. Calculate the area of the figure when it is

observed that the zero mark of the dial passed the index mark

once in the anticlockwise direction.

d) State limitations of tacheometery.

e) Compare theodolite traversing by included angle method with

deflection angle method. Which one is suitable.

f) Mention different sources of errors in theodolite surveying.


a) Explain the procedure adopted with micro optic theodolite to

find reduced level.

b) State four component parts of digital theodolite and state their

purpose.

c) How the layout is done using total station?

d) Describe the temporary adjustment of digital level.

e) State the principle of EDM with sketch.

f) Draw a neat sketch of simple curve showing all elements.


a) How will you locate grade contour on contour map?

b) Write four applications of GIS.

c) Differentiate between active system and passive system of

remote sensing.

d) Explain principle of stadia method.

e) Write down the procedure for determination of tacheometric

constants.

f) State the meaning of degree of curve and long chord.


a) The following records are obtained in a traverse survey, where

the length and bearing of the last line were not recorded.

Line Length (m) Bearing

AB 75.50 30°24'

BC 180.50 110°36'

CD 60.25 210°30'



DA ? ?

Compute the length and bearing of line DA.

b) The coordinates of two points P and Q are as follows:

Point Coordinates

N E

P 982.5 825.2

Q 1198.6 576.4

Find the length and bearing of line PQ.

c) Calculate the horizontal distance CD and RL of D, when the

constants of instrument are 100 and 0.15.

Inst.

stn.

Staff

stn.

Vertical

angle

Hair readings

(m)

Remark

C BM – 5°20' 1.520, 1.800, 2.450 RL of BM

= 750.50m C D + 8°12' 0.750, 1.500, 2.250


a) Calculate the ordinates at 25 m interval to set out a circular

curve having a long chord of 300 m and versed sine of 10 m.

b) Describe to use of digital theodolite for measurement of

horizontal and vertical angle.

c) (i) What are the additive and multiplying constants of

planimeter?

(ii) State the possible error while using planimeter for finding area

of an irregular figure.



Summer 2016

17419

15162







(6) Use of Non-programmable Electronic Pocket Calculator is permissible.



Marks


(i) In a contour map, if contours are crossing each other, what will

be the nature of topography? Draw the sketch to support

your answer.

(ii) What is a contour map? Write any two objects of preparing a

contour map.

(iii) Give the simplest method for finding the area of a zero circle

from manufacturers table.

(iv) Write the use of Gale‟s table.

(v) State any four uses of transit theodolite.

(vi) State any two situations, under which tacheometry is prefered.

(vii) List any four modern survey instruments.

(viii) Define degree of curve.


(i) Differentiate between active system and passive system of

remote sensing.

(ii) What are the checks applied in case of

1) closed traverse and 2) open traverse

(iii) Draw neat sketch of contour for the following: Assume suitable

contour values and show the same.

1) Pond 2) Ridge

3) Saddle 4) Hill




a) Differentiate between contour interval and horizontal equivalent.

(Minimum two points). Draw plan and section view to support your

answer.

b) Define grade contour. Give the procedure to locate grade

contour on contour map, with suitable sketch.

c) Calculate the area of figure in hectares, drawn to scale of 1 cm =

120 m, from following data - I.R.=2.695, F.R.=9.148. Zero of dial

passed the fixed index mark twice in clockwise direction. Area

corresponding to one revolution of the roller is 100 sq.cm. Anchor

point was outside the figure.

d) Define tacheometry. State the principle of tacheometry with

sketch.

e) State any four uses of digital theodolite.

f) Find the length and bearing of line AB, if the co-ordinates of A and

B are as follows :

Station Northing Easting

A 1282.5 939.8

B 900.2 766.4


a) What are different methods of contouring? Describe any one

method along with a sketch. Also write the situation where it is

suitable.

b) State the component parts of micro optic theodolite. How it is

superior to a transit theodolite?

c) Give classification of curve and define

(i) transition curve and (ii) reverse curve

d) State any four applications of remote sensing in civil engineering.

e) What is meant by zero circle? State the advantages of digital

planimeter over polar planimeter.

f) Enlist the advantages and disadvantages of total station.


a) Calculate the ordinates at 7.5 m intervals for a circular curve, given

that the length of long chord is 80 m and radius of curve is 130 m.

Use exact formula.

b) Define following terms and give any two components of each:

(i) GIS (ii) GPS



c) Explain temporary adjustments of digital level.

d) The areas enclosed by the contours in a lake are as follows:

Contour (m) 250 255 260 265 270

Area (m2) 2080 8500 16500 25200 33700

Calculate the volume of water between the contours 250 m and 270 m

by (i) Trapezoidal formula and (ii) Prismoidal formula

e) What is the difference between a theodolite and a tacheometer.

Give any two characteristics of tacheometer.

f) Give the main features of total station.


a) Calculate the corrected consecutive co-ordinates for the following

observations of traverse.

Line Length (m) Point Consecutive Coordinates

Latitude Departure

AB 705 A + 655.19 – 260.29

BC 952.5 B + 127.07 + 943.99

CD 645 C – 628.47 + 145.54

DA 844.5 D – 151.48 – 830.80

b) A tacheometer was set up at station A and following readings were

obtained on a staff held vertically.

Station Staff Station Vertical Angle Hair Reading

A B.M. + 7°30' 0.900, 1.175, 1.530

B B – 2°20' 1.125, 1.330, 1.445

The constants of instrument were 100 and 0.10. Find the horizontal

distance AB and R.L. of B, if R.L. of B.M. is 500.00 m.

c) Enlist any eight components of transit theodolite and write their

functions.


a) Two tangents intersect at a chainage of 1250 m. The angle of

intersection is 145°. Calculate all the necessary data for setting out a

curve of radius 250 m by deflection angle method. Take peg interval

as 20 m and prepare setting out table.

b) Describe layout of small building by using total station.

c) Following are the lengths and bearings of a closed traverse ABCDA.

Line AB BC CD DA

Length (m) 260 240 250 ?

Bearing 341° 295° 147° ?

Determine length and bearing of line DA.



Geotechnical Engineering - 17421

Winter 2016

17420

16117










Marks


(i) Define petrology and rock.

(ii) Enlist any four physical properties of minerals.

(iii) Define Dip and strike.

(iv) Draw neat sketch of:

1) Recambent fold 2) Overturned fold

(v) State any four methods to find water content of soil sample.

(vi) State salient features for any one dam in Maharashtra

state.

(vii) State importance of soil as a foundation bed for structures

in Civil Engineering.

(viii) Define void ratio, porosity, degree of saturation, water

content.


(i) Explain crust, mantle and core with a neat sketch.

(ii) Define fault and state its classification.

(iii) Explain any four field applications of Geotechnical

Engineering.




a) Explain formation process of soil. State various types of soil

available in India.

b) State two causes and effects of earthquake.

c) State method of construction of earthquake resisting structure.

d) State constituents of soil and any two physical properties of soil.

e) Define:

(i) Epicenter, (ii) Focus

(iii) Seismology (iv) Seismic waves.

f) Define plasticity index and classify soil on its basis.


a) Explain I.S. classification of soil as per IS 1498.

b) Define permeability and coefficient of permeability.

c) Explain with neat sketch phreatic line in earthen dam with

pressure head at different point and show construction points

of this line.

d) State any four factors which affect shear strength of soil.

e) Explain vane shear test to determine shear strength of soil

specimen in laboratory with neat sketch.

f) Define:

(i) Active earth pressure (ii) Passive earth pressure

(iii) Earth pressure at rest (iv) Coefficient of earth pressure


a) State the effect of water table on bearing capacity. Explain.

b) Suggest typical values of S.B.C. for following soil types:

(i) Sand gravel mixture (ii) Black cotton soil

(iii) Hard Moorum (iv) Soft Moorum

c) State different methods of soil stabilization and explain any one.

d) Mention criteria for deciding the locations and number of trial

pits and bare holes as per (IS 1892-1972)

e) The following observations were made using S.P.T. on soil

sample.

Bulk density gm/cc 1.65 1.95 2.1 2.2 2.15 2.05

Water content 5 10 16 22 25 30

Determine OMC and M.D.D.



f) Define C.B.R and state the significance of C.B.R. value.


a) A saturated clayey sample weighing 1540 gm, weighs 1120 gm

after oven drying. If its dry density is 1350 kg/m3, determine its water

content, void ratio, porosity and degree of saturation. Assume G =

2.70 and γW = 10 kN/m3.

b) Following observations were recorded in a liquid limit test.

Determine liquid limit. Weight of container W3 = 6 gm.

No. of blows 40 30 20 15 10

Wet wt W1 gm) 30.67 32.20 31.30 32.75 30.05

Dry wt W2 (gm) 22.00 23.00 22.35 23.26 21.44

c) Explain laboratory procedure for mechanical sieve analysis of soil.


a) In a constant head permeameter diameter of a soil sample

was 4 cm and length was 14 cm under a constant head of 25

cm. The discharge was found to be 80 cc in 10 minutes.

Calculate coefficient of permeability.

b) Explain plate load test and draw a load settlement curve.

c) Explain dry strength and Dilatancy test on soil.



Summer 2016

17420

15162








Marks


(i) Define geology and state its branches.

(ii) Define petrology and rock.

(iii) State classification of rocks based on their genesis.

(iv) Define outcrop and faults.

(v) Define joints and state their classification.

(vi) Define earthquake and intensity.

(vii) Define soil as per I.S.

(viii) State objectives of Geotechnical Engineering.

(ix) State Darcy‟s Law of permeability.


(i) Define the following terms :

1) Focus 2) Epicenter

3) Seismograph 4) Isoseismic lines

(ii) State any four causes and two effects of earthquake.

(iii) Define minerals and state any six properties of minerals.


a) Define folds and draw neat sketch of a fold and label its different

parts.

b) State formation and classification of soil.

c) Classify earthquakes based on focus and origin.

d) State field applications of geotechnical engineering (any four).



e) Draw phase diagram of a soil when soil is :

(i) moist (ii) fully saturated and label the diagrams.

f) Define voids ratio; porosity; water content and degree of saturation.


a) The density of a soil sample is 2000 kg/m3 and its water content is

18%. Determine its dry density, voids ratio, porosity and degree of

saturation. Assume G = 2.72, Vw = 10 kN/m3.

b) Write step by step procedure to determine specific gravity of soil by

pycnometer in the laboratory.

c) Define Liquid Limit, Plastic Limit, Shrinkage Limit and Plasticity Index.

d) Write step by step procedure to determine plastic limit in the

laboratory.

e) What do you mean by coarse grained soil and fine grained soil.

f) State field identification tests on soil and explain any one.


a) A sieve analysis test was conducted in laboratory and from particle

size distribution curve following observations recorded. Calculate

coefficient of curvature and coefficient of uniformity. Also classify

soil.

D10 = 0.32 mm, D30 = 1.25 mm, D60 = 1.98 mm

b) State meaning of following symbols.GW, GC and SP, SM.

c) Enlist factors affecting permeability.

d) Define permeability and Phreatic line.

e) Write step by step procedure to determine coefficient of

permeability of fine grained soil by falling head method in

laboratory.

f) Define flow net and state its characteristics.


a) Define shear strength of soil and state field situations of shear

failure.

b) Draw strength envelope for :

(i) C-soil (ii) f-soil and (iii) C-f soil

c) A constant head permeameter gives discharge of 350 ml in 270

seconds under a constant head of 1050 mm. Determine



coefficient of permeability in m/day, if the soil sample was 150 mm

long and 78.50 cm2 in c/s area.

d) Define ultimate bearing capacity and safe bearing capacity.

e) State any four assumptions in the theory of Terzaghi‟s analysis of

bearing capacity.

f) Draw a neat sketch of plate load test set-up for gravity loading.


a) Define active earth pressure and passive earth pressure. Draw

sketches for each.

b) Compute the intensity of active and passive earth pressure at

depth 8.7 m in dry cohesionless sand with angle of internal friction

of 28° and unit weight of 18 kN/m3. Also calculate total earth

pressure and its line of action.

c) Define compaction and state purpose of compaction.

d) State suitability of following compaction equipments

(i) Smooth wheel roller (ii) Sheep foot roller,

(iii) Rammer and (iv) Vibrator

e) State difference between compaction and consolidation (any four

points).

f) Following observations were made using standard proctor test on a

soil sample.

Bulk density

(gm/cc)

1.75 1.95 2.10 2.20 2.15 2.05

Water content

(%)

5 10 15 20 25 30



Hydraulics - 17421

Winter 2016

17421

16117








Marks


(i) Define capillarity.

(ii) If 5 m3 of certain oil weighs 40 kN calculate specific weight, mass

density.

(iii) What is the principle of manometer ?

(iv) Express a pressure intensity of 5 kg (f)/cm2 in metres of head of

water and mercury.

(v) What is Moody‟s diagram ? State its use.

(vi) Draw a neat sketch showing flow through parallel pipes.

(vii) State the principle of venturimeter.

(viii) What is venna-contracta ?


(i) Draw a neat sketch showing various types of fluids according to

Newton‟s law of viscosity.

(ii) If 5 mm φ glass tube is immersed in water and contact angle is 5°,

find capillary rise. Take surface tension for water as 0.074 N/m.

(iii) State Pascal‟s Law of fluid pressure. Enlist any four applications of

it.




a) A rectangular plate is 2 m wide and 3 m deep. It lies in vertical

plane in water. Find total pressure and position of C.P. on the plate

when its upper edge is horizontal and -

(i) coincides with water and (ii) 2.5 m below free water surface.

b) A triangular plate having 1 m base and 1.8 m altitude is immersed

in water. The plane of plate is inclined at 30° with free surface of

water and base is parallel to and at a depth of 2 m from water

surface. Find pressure acting on the plate and its centre of

pressure.

c) Explain the concept and use of pressure diagram with neat

sketches.

d) An oil of specific gravity = 0.8 is flowing through a pipe. A simple

manometer is connected to the pipe containing mercury. The

deflection of mercury level in left limb from centre of pipe = 60 mm

where as in right limb (from centre of pipe) it is 90 mm. Calculate

the pressure in KPa.

e) State Bernoulli‟s theorem. State any two applications of it.

f) Define –

(i) Pressure head (ii) Velocity head with neat sketches.


a) What are strem lines and equipotential lines. State any two uses of

flow net.

b) Water is flowing through tapering pipe whose centre of upper end

is 5 m above the datum and its diameter is 20 cm. The pressure at

this upper end is 5 kg/cm2. The lower end is situated 3 m above

the datum with a diameter of 05 cm. Determine the pressure at

lower end if velocity at upper end is 1 m/s.

c) Find head lost due to friction in a pipe of φ = 300 mm and length =

50 m thro‟ which water is flowing at a velocity = 3 m/s using –

(i) Darcy‟s equation (ii) Chezy‟s formula

Take f = 0.00256 and C = 60.

d) What are major and minor loss of head in flow thro‟ pipes ? Write

any two equations of minor loss.

e) What is HGL and TEL ? Explain with a neat sketch.

f) Define with a neat sketch for a trapezoidal channel –

(i) Hydraulic Depth (ii) Hydraulic Radius.




a) The daily record of rainfall over a catchment is 0.2 million cubic

meter. Out of this 80% rain water reaches the storage reservoir and

passes over a rectangular weir. What should be its length if water

level do not rise more than 400 mm above the crest. Cd = 0.61.

b) What is meant by most economical channel section ? Explain with

an example and sketch.

c) Explain the phenomenon of hydraulic jump with a neat sketch.

State any two uses of it.

d) What is Froude‟s experiment ? Explain with a neat sketch.

e) Define hydraulic coefficients. State the relationship among the

hydraulic coefficients for an orifice.

f) Explain with a neat sketch the working of venturimeter.


a) Draw a neat sketch of cup type current meter & explain its working.

b) A rectangular notch 2.5 m wide has a constant head of 40 cm.

Find discharge over it if Cd = 0.62.

c) Write any four advantages of triangular notch over rectangular

notch.

d) Define - (i) Static head (ii) Manometric head of pump

e) Differentiate between centrifugal pump and reciprocating pump.

(Any four points)

f) A centrifugal pump delivers water at 30 lit/sec to a height of 18 m

thro‟ a pipe 90 m long and 100 mm in diameter. If overall

efficiency of pump is 75 % find power required to drive the pump.

Take f = 0.012.


a) Explain with a neat sketch working of Bourdon‟s pressure gauge.

b) A syphon of φ = 200 mm connects two reservoir having difference

of elevation 20 m. Total length of pipe is 500 m and summit of

syphon is 3.0 m above water level of upper reservoir. The length of

pipe from upper reservoir to summit is 100 m. Find discharge and

pressure at the summit. Neglect minor losses. Take f = 0.005.

c) A trapezoidal most economical channel section has side slopes 1.5

(H):1(V). It is required to discharge 20 m3/sec with a bed slope of 1 m in 6.0

km. Design the section using Manning‟s formula. Take N = 0.015



Summer 2016

17421

15162


Instructions : (1) All Questions are compulsory.





(6) Use of Non-Programmable Electronic Pocket Calculator is permissible.



Marks

1. Attempt any TEN : 20

(a) Define surface tension. State its units.

(b) State any two applications of hydraulics with respect to

Irrigation.

(c) State „Pascal‟s Law‟ of liquid pressure.

(d) How will you measure negative pressure ?

(e) Define Reynold‟s number.

(f) State any two causes of water hammer.

(g) Write modified Darcy-Weisbach equation.

(h) Define „Hydraulic Meandepth‟ and its units.

(i) State the conditions for maximum discharge through trapozoidal

channel.

(j) What is the difference between a „notch‟ and a „weir‟ ?

(k) Enlist various hydraulic coefficients for orifice and state relation

between them.

(l) Differentiate between the turbines and pumps on any two

factors.

2. Attempt any FOUR : 16

(a) State the Newton‟s law of viscosity and give examples of its

application.

(b) Determine the specific gravity of a fluid having viscosity 0.05

poise and kinematic viscosity 0.035 stokes.



(c) A rectangular plane surface is 2 m wide and 3 m deep. It lies in

vertical plane in water. Determine the total pressure and position of

centre of pressure on the plane surface when its upper edge is

horizontal and 2.5 m below the free water surface.

(d) Determine the total pressure and centre of pressure on an

isosceles triangular plate of base 4 m and altitude 4 m when it is

immersed vertically in an oil of sp.gr 0.9. The base of the plate

coincides with the free surface of oil.

(e) Explain briefly the working principle of Bourdon pressure gauge

with a neat sketch.

(f) A simple manometer (U-tube) containing mercury is connected

to a pipe in which an oil of sp.gr 0.8 is flowing. The pressure in the

pipe is vacuum. The other end of the manometer is open to the

atmosphere. Find the vacuum pressure in pipe, if the difference of

mercury level in the two limbs is 20 cm and height of oil in the left

limb from the centre of pipe is 15 cm below.


(a) Explain the terms : (i) Streak line (ii) Stream line

(b) State the uses of flow net with its sketch.

(c) Find the loss of head when a pipe of diameter 200 mm is

suddenly enlarged to a diameter of 400 mm. The rate of flow of

water through the pipe is 250 lit/sec.

(d) An oil of sp.gr 0.9 and viscosity 0.06 poise is flowing through a

pipe of diameter 200 mm at the rate of 60 lit/sec. Find the head lost

due to friction for a 500 m length of pipe. Take f = 0.02.

(e) Explain HGL and TEL with sketch.

(f) What do you mean by Hydraulic jump ? Explain with sketch.


(a) Find the bedslope of trapezoidal channel of bed width 6 m,

depth of water 3 m and side slope of 3 horizontal to 4 vertical, when

the discharge through the channel is 30 m3/sec. Take Chezy‟s

constant, C = 70.

(b) Find the discharge through a rectangular channel of width 2 m,

having a bedslope of 4 in 8000. The depth of flow is 1.5 m and take

the value of „N‟ in Manning‟s formula as 0.012.



(c) A rectangular channel 2.0 m wide has a discharge of 250 lit/sec.,

which is measured by a right-angled „V‟ – notch weir. Find the

position of the apex of the notch from the bed of channel if

maximum depth of water is not to exceed 1.3 m. Take cd = 0.62.

(d) Explain the working of venturimeter with a neat sketch.

(e) What is Priming ? Why is it necessary ?

(f) With a neat sketch, explain the principle and working of a

centrifugal pump.

5. Attempt any TWO : 16

(a) An oil of sp.gr 0.8 is flowing through a venturimeter having inlet

diameter 20 cm and throat diameter 10 cm. The oil-mercury

differential manometer shows a reading of 25 cm. Calculate the

discharge of oil through the horizontal venturimeter. Take cd = 0.98

(b) A trapezoidal channel has side slopes of 3 H to 4 V and slope of

its bed is 1 in 2000. Determine the optimum dimensions of the

channel, if it Is to carry water at 0.5 m3/sec. Take Chezy‟s constant

as 80.

(c) A siphon of diameter 20 cm connects two reservoirs having a

difference in elevation of 20 m. The length of the siphon is 500 m,

and the summit is 3.0 m above the water level in the upper reservoir.

The length of the pipe from upper reservoir to the summit is 100 m.

Determine the discharge through the siphon and also pressure at

summit. Neglect minor losses. Take coefficient of friction, f = 0.005.

6. Attempt any TWO : 16

(a) A circular plate 3.0 m diameter is immersed in water in such a

way that its greatest and least depth below the free surface are 4 m

and 1.5 m respectively. Determine the total pressure on one face of

the plate and position of the centre of pressure.

(b) (i) State „Bernouli‟s theorem‟. (ii) A pipeline carry oil of sp.gr 0.87,

changes in diameter from 200 mm diameter at a position A to 500

mm diameter at a position B which is 4 m at a higher level. If the

pressure at „A‟ and „B‟ are 9.81 N/cm2 and 5.886 N/cm2 respectively

and the discharge is 200 lit/sec. Determine the loss of head and

direction of flow.

(c) Explain the following with neat sketches : (i) Simple manometer

and its types. (ii) Differential monometers and its types.



Theory of Structures - 17422

Winter 2016

17422

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Marks


(i) Define Eccentric load with sketch.

(ii) Write the differential equation for slope and deflection and state

terms used in equation.

(iii) State values of maximum slope and deflection for cantilever

beam of span L carrying a point load at free end with meaning of

each term.

(iv) State the two situations where Macaullay‟s method is usedfor

finding slope and deflection of beam.

(v) State the principle of superposition.

(vi) With sketch state the different types of portal frames.

(vii) Define stiffness factor and distribution factor.

(viii) Define perfect and imperfect frame.


(i) Calculate limit of eccentricity for rectangular section having

Width „b‟ and Depth„d‟ and show it on sketch.

(ii) Write step by step procedure for determination of minimum and

maximum stresses developed at the base of section.



(iii) Determine the forces in the members FE, FB and CB using

method of section for the truss shown in Figure No. 1.


a) A solid circular column of diameter 250 mm carries an axial load

„W‟ kN and a load of 200 kN at an eccentricity of 150 mm.

Calculate minimum value of „W‟ so as to avoid the tensile stresses

at base.

b) A rectangular column 300 mm wide and 200 mm thick carries an

axial load of 250 kN and a clockwise moment of 5 kN.m in plane

bisecting 200 mm side. Calculate resultant stresses induced at the

base.

c) Find the maximum and minimum stress intensities induced on the

base of a masonry wall 8 m high, 4 m wide and 1.5 m thick

subjected to a horizontal wind pressure of 2.5 kN/m2 acting on 4 m

side. The density of masonry is 24 kN/m3.

d) A beam of span 2.5 m is simply supported and carries UDL w/unit

length, if slope at the end is not to exceed 1.5°. Find the maximum

deflection.

e) A cantilever beam has cross section 120 mm wide and 200 mm

deep. If load of 6 kN acting at the free end, calculate the span of

beam if slope at free end of beam is 1.5 × 10–3 radians. Take E =

100 kN/mm2.

f) State Clapeyron‟s Theorem and also write the clapeyron‟s

threemoment theorem for beam with different M.I. giving meaning

of each term.


a) A 3 m long cantilever beam is loaded with 30 kN/m over entire

span. Calculate maximum values of slope and deflection. Take E1

= 40,000 kN.m2.

b) A simply supported beam of span 6 m carries a point load 60 kN at

2 m from left support. Calculate deflection below point load in

terms of E1 use Macaullay‟s method.

c) A fixed beam of span 7 m is subjected to a point load P. Find out

position of load if left hand support moment is 2 timesthat of right

hand support moment.

d) A fixed beam of span 8 m carries a UDL of 2 kN/m and a point load

of 16 kN at 3 m from left support. Calculate fixed end moments.

e) State any four assumptions made in analysis of simple frame.



f) Determine the forces alongwith nature in the members AB, AE,EB

and EF for frame subjected to a load as shown in Figure No.1.

Using method of joints.

Fig. No. 1


a) Explain the concept of imaginary zero span in case of Clapeyron‟s

Theorem.

b) A beam ABC is simply supported at A, B and C. Spans AB and BC

are of lengths 3m and 4m respectively. AB carries udlof 15 kN/m

over entire span and BC carries central point loadof 30 kN.

Calculate support moment at B using three moment theorem.

c) A propped cantilever AB of span 4m is fixed at A and propped at

B, carrying UDL of 20 kN/m. Using Clapeyron‟s. Theorem calculate

support moment and Draw BMD.

d) Find support moment of Q.4 (b) using moment distribution method.

e) Find support moments for the beam shown in Figure No. 4using

moment distribution method.

f) Determine distribution factors at continuity for a continuous beam

ABCD which is fixed at A and simply supported atB, C and D. Take

AB = 6 m, BC = 3 m and CD = 2 m. If M.I. for spans is IAB = 37, IBC =

2I and ICD = I.


a) A circular chimney has external diameter 60% more than internal

diameter. The height of chimney is 32 m and is subjected to a

horizontal wind pressure of 1.75 kN/m2. Find out the diameter of

chimney so as to avoid tension at the baseof chimney and also

draw stress distribution diagram unit wt of chimney material is 18

kN/m3 and c = 0.60.



b) A beam ABCD is supported at A, B and C span CD is having

overhang, span AB = 6 m, BC = 4 m and CD = 1.5 m. Span AB

carries UDL of 15 kN/m over entire span and BC carries point load

of 30 kN at 1 m from point B and a point load of 15 kN acts at free

end D. Determine support moments using moment distribution

method and draw BMD.

c) Using method of section, find forces in members BC, BE and EF and

EC for truss shown in Figure No. 2 State nature of forces tabulate

results.

Fig. No. 2


a) A simply supported beam AB of span 4 m is loaded as shown in

Figure No. 3. Determine the slope at A and deflection at midspan

of beam. Consider EI = 40,000 kN.m2 Use Macaullay‟smethod.

Fig. No. 3

b) A fixed beam of 6 m span carries two point loads of 50 kN each

acting at 2 m and 4 m from left hand support and UDLof 25 kN/m

spread over entire span. Calculate support moments Draw SFD

and BMD.

c) A continuous beam is loaded as shown in Figure No. 4. Find support

moments and support reactions. Solve by three momenttheorem

only.

Fig. No. 4



Summer 2016

17422

15162


Instructions : (1) All Questions are compulsory.








Marks

1. (A) Attempt any SIX of the following : 6 x 2 = 12

(a) Define “Core of a Section.” Sketch resultant stress diagram if load acts

on the boundary of core of section.

(b) Write values of slope and deflection at free end of a cantilever that

carries point load at free end.

(c) State boundary conditions for a simply supported beam using deflect

shape.

(d) A cantilever of span L carries point load W at L/2 from fixed end. State

value of slope at free end.

(e) Define “fixing” and “fixed beam.”

(f) Giving diagram, state two types of portal frames.

(g) At a continuity, adjoining spans have their distribution factors as 0.43

and 0.57. What is the meaning of these values ?

(h) Define “Perfect Frame” and draw sketches of any two perfect frames.

(B) Attempt any TWO of the following : 2 x 4 = 8

(a) A pillar is square in section and has side 1 m. Values of axial and

bending stress are 300 kN/m2 and 287 kN/m2 respectively. Determine

resultant stresses. Draw resultant stress distribution diagram. Also state

whether the load line is within the core or not.

(b) State middle third rule. Draw sketch of core of rectangular and solid

circular sections. State dimensions of core also.



(c) Using method of sections only, determine nature and magnitude of

axial forces in members AB and AE only; for the truss shown in fig. 1.

Fig. – 1

2. Attempt any FOUR of the following : 4 x 4 = 16

(a) A rectangular column has size 0.6 m x 0.4 m. A load of 120 kN acts at

an eccentricity of 0.14 m on the axis bisecting shorter side. Determine

resultant stresses developed at base. Draw stress distribution diagram also.

(b) A hollow circular column having external diameter 2 m, carries load of

460 kN at an eccentricity of 0.8 m. Draw resultant stress diagram. (For this

column Area = 2.356 m2 and Ixx = Iyy = 0.7363 m4)

(c) A retaining wall 6 m high has uniform thickness 2 m. It retains water

upto top. Determine total water pressure and net stresses at base. Draw

stress diagram. Use unit wt. of water 10 kN/m3 and unit wt. of wall motored

is 18 kN/m3.

(d) A cantilever of span 3 m carries point load of 30 kN at 2 m from fixed

end. Determine slope and deflection at free end. Take EI = 11000 kN/m2.

(e) Determine intensity of uniformly distributed load “W” for a simply

supported beam of span 6 m, if maximum deflection allowed is 12.6 mm.

Also state value of slope at mid span. Take E = 2 x 105 MPa, I = 47.5 x 106

mm4.

(f) Define “Continuity” and state its effect on span moment and span

deflection, as compared to simply supported spans. State nature of

support moment.


(a) A simply supported beam of span 9 m carries two point loads of equal

magnitude 36 kN at 3 m from both ends. Calculate values of integration

constants and write Macaulay‟s slope and deflection equation.



(b) For the beam in (a) above, determine slope at support and deflection

under point load in terms of EI.

(c) A fixed beam of span 6 m carries two point loads 22 kN and W kN at

1.8 m and 3.4 m from left support. If fixed end moments at both supports

are equal, calculate “W”.

(d) A point load of 50 kN acts at centre on a fixed beam of span 3 m.

Using first principle, determine fixed end moments. Draw net BMD

indicating important values.

(e) What is meant by analysis of Frame ? Write any 3 assumptions used for

analysis.

(f) For the truss shown in fig. 1, determine nature and magnitude of forces

in members BC, CE, AE and DE. Use method of joints.

Fig. – 1


(a) State Clapeyron‟s theorem for a continuous beam having same MI.

State meaning of each term with sketch.

(b) A beam ABC is simply supported at A, B & C such that l (AB) = 4 m and

l (BC) = 6 m. Point loads 48 kN and 38 kN act at centres of AB and BC.

Taking same MI, find support moment at B. Draw BMD showing net BM.

Use three moments theorem.

(c) For the beam shown in Fig. 2, calculate moment at B using three

moments theorem.

Fig. – 2

(d) Beam ABCD is simply supported at A & D and is continuous over B &

C. Determine distribution factors. (AB = BC = CD = 6 m) (IAB = I, IBC = 2I,

ICD = 1.5 I).



(e) A beam ABC is fixed at A and is supported at B and C. 20 kN/m u.d.

load acts on AB and 40 kN point load acts at centre of BC. If DFBA = 0.57

and DFBC = 0.43. Determine support moment using moment distribution

method. l(AB) = 6 m and l (BC) = 4 m.

(f) Determine support moment for beam in Q. 4 (b) above by moment

distribution method.

5. Attempt any TWO of the following : 2 x 8 = 16

(a) A hollow circular chimney has external diameter 2 m and thickness

0.25 m. It is subjected to uniform wind pressure of 1.11 kPa. Determine

maximum height for no tension condition. Take coefficient of wind

pressure as 0.6 and unit weight of concrete as 21 kN/m3. Also find

maximum stress at base.

(b) Using moment distribution method, determine support moments at B

and C. Draw BMD. Refer beam as shown in fig. 3.

(c) Determine forces in all the members of the truss as shown in fig. 4.

Prepare force table also.

Fig. – 3 Fig. 4

6. Attempt any TWO of the following : 2 x 8 = 16

(a) A cantilever ABC is fixed at A, and has length 1.5 m (such that AB = 1

m, BC = 0.5 m). 16 kN/m u.d. load acts on part AB while 10 kN point load

acts at free and i.e. C. Using Macaulay‟s method, determine slope at C

and deflections at B and C in terms of EI.

(b) A fixed beam has span 8 m. Two point loads 40 kN and 80 kN act at 3

m and 5 m from left support. Determine fixed end moments and draw

BMD. Also find net BM under 40 kN load.

(c) Using theorem of three moments determine support moments, for the

beam as shown in fig. 5. Find final reactions and draw SFD.

Fig. – 5

Department of Civil Engineering

Sanjay Ghodawat Polytechnic, Atigre Page 1

For Details contact:

Mr. V.S. kumbhar

HOD

Civil Department,

Sanjay Ghodawat Polytechnic, Atigre.

Mob. No.: 7798306363

Ph. No.: 0230 -246312

Email ID: [email protected]

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