Assignments IVth Year1

8/3/2019 Assignments IVth Year1

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TUTOR MARKED ASSIGNMENT

ET 204 (Part B)

ENGINEERING MATERIALS

Note : All questions are compulsory and carry equal marks. This assignment isbased on all Blocks of Engineering Materials.

Maximum Marks : 100Weightage : 30%

Course Code : ET-204B Last Date of Submission : Sep. 30, 2011

BTWRE

Q.1 Explain the importance of engineering materials. What are the different yardsticks of selectingquality engineering materials for civil structures?

Q.2 Explain the basis of classifying the cementing materials. What are different calcareouscementing materials? Explain their classification and uses based on BIS standards.

Q.3 Is water proofing a big challenge in maintenance of civil structures? Explain. What are thewaterproofing agents? Describe the role of bitumen as a water proofing agent in buildings.

Q.4 Explain the properties of different mortars and grouts. What are their specific uses?

Q.5 Explain the concreting process. What do you mean by degree of control in proportionateconcrete mixes? Explain different grades of concrete with recommended applications as perthe BIS norms.

Q.6 Explain the importance and characteristics of wear resisting materials. Prepare a chartshowing different wear resisting materials, their characteristics and their specific uses.

Q.7 List various modern waterproofing compounds. Explain their characteristics, specifications andspecific uses. Write their application methods.

Q.8 Explain the use of PVC in flooring. Discuss the materials and methods available for wallfinishing.

Q.9 Describe application of plastics in construction industry and uses of plastics with examples.

Q.10 Wood is one of the oldest building materials which have relevance even today. Justifythe statement by giving specific examples.

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ET 505TRANSPORTATION AND TRAFFIC ENGINEERING

Note : All questions are compulsory and carry equal marks. This assignment isbased on all Blocks of Transportation and Traffic Engineering.


Course Code : ET 505 Last Date of Submission : July 31, 2011

BTCM

Q.1 (a) Define the role of transport towards economy, industry and society.

(b) State the advantages of containerization. What are the other forms of inter-modeltransport?

(c) Describe the merits and demerits of various modes of transport in India.

Q.2 (a) Explain the technological up-gradation of transport in India.

(b) State the basic principles of economic analysis of transport project.

(c) Explain the components and features of transport system.

Q.3 (a) What are the sequences followed for highway locations surveys?(b) State the desirable features of highway planning.

(c) Explain the elements those are important in setting horizontal curves.

Q.4 (a) What are the principles of design of vertical curves?

(b) State the general controls to be followed in fixing the vertical alignment of roads.

(c) Explain the needs of soil compaction with the density-moisture relationship.

Q.5 (a) What factors govern the selection of soils for use in embankment?

(b) What are the ingredients of asphalt concrete? Explain the functions of ingredients.

(c) A truck weighting 12.5 tonnes is required to accelerate at a rate of 3 m/sec2 from aspeed of 8 km/hr to 18 km/hr. The gradient is 5 percent, upward. The coefficient ofrolling resistant is 0.025. The frontal area is 4.90 sqm. The truck tyre has a radius of0.6 m and under loader condition can be taken 90 percent of its true radius. Thecoefficient of air resistance is 0.48 kg/m3 and the transmission efficiency is 0.95.Calculate required engine horsepower and the engine RPM. The rear axle ratio is4.25 : 1 and the first gear ratio is 2.75 : 1.

Q.6 (a) Discuss the need for traffic signals with its merits and demerits. What could be thepossible remedies to overcome the demerits?

(b) Write note on regulation of traffic prevailing in India.

(c) What are the engineering and enforcement measures for enhancing the road safety?

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Q.7 (a) What are the maintenance and repair measures needed for a road?

(b) Explain the applications and survey methods adopted for Origin-Destination Survey.

(c) A fixed time 2-phase signal is to be provided at an intersection having four arms forfollowing data :

North South East West

Design Hour Flow 700 500 600 400

Saturation Flow 2800 2600 2400 2000

The time lost per phase due to starting delay is 2 seconds in N-S direction and3 seconds in E-W direction. Calculate the optimum cycle time. Develop the timingdiagram.

Q.8 (a) Discuss the merits and demerits of concrete sleepers over steel sleepers.

(b) Discuss the working of turnout components used for diverting a train to another work.

(c) Explain the types of resistance a train has to overcome while moving.

Q.9 (a) How are the irregularities in the rail track levels corrected?(b) Explain the main components of an airport layout.

(c) What are the design requirements of the passenger terminal building?

Q.10 (a) Explain the data and studies needed for designing a port facility.

(b) What are the various types of cargo handling facilities developed in a port?

(c) Discuss the size and strength of pipes used in continuous flow systems.

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ET 507 (Part A)

POLLUTANTS AND WATER SUPPLY

Note : All questions are compulsory and carry equal marks. This assignment isbased on all Blocks of Pollutants and Water Supply.


Course Code : ET-507A Last Date of Submission : Sept. 30, 2011

BTCM/BTWRE

Q.1 (a) How does Ozone layer depletion take place? Discuss its impacts on humans andplants.

(b) What do you understand by Green House Effect? Discuss its undesirable effects onglobal environment.

Q.2 (a) With the help of schematic diagram explain the Gaussian Model for measuring plumedispersion. What are the assumptions made in this model?

(b) What are the primary and secondary Air Pollutants? Discuss their impacts on theenvironment.

Q.3 (a) What do you mean by Heavy Metal pollution? What are the toxic effects of Cd, Cr, As,Hg and Lead on human health?

(b) 20 ml of water sample was diluted to fill the BOD bottle of 300 ml and its initial dissolvedoxygen was 7.0 mg/l, after 5 days of incubation its dissolved oxygen was 4.5 mg/l.Calculate its BOD at 20oC.

Q.4 (a) Why is it important to reduce the amount of biodegradable organic matter and nutrientduring water treatment?

(b) The average sewage flow from a city is 80 x 106 l/day. If the average 5 day BOD is285 mg/l, compute the total daily 5 day oxygen demand in kg, and the populationequivalent of sewage. Assume per capita BOD of sewage per day is 75 gm.

Q.5 (a) What specific air pollution control devices are available for control of particulateemissions at their source? Indicate the size range of particulate that each type of unit iscapable of removing efficiently.

(b) Describe the format for the preparation of EIA of a proposed thermal power plant for ametropolitan city.

Q.6 (a) Distinguish between the following :

(i) Stationary and Mobile source of air pollutants

(ii) Particulates and aerosole

(iii) Scrubbers and precipitators

(iv) First stage BOD and Second stage BOD

(b) Distinguish between slow and rapid sand filters with reference to :

(i) Rate of filtration

(ii) Filter media of sand(iii) Period of cleaning

(iv) Loss of head

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Q.7 (a) (i) What group of water borne pathogens is most effectively removed by filtration?Why?

(ii) Which pathogenic microorganisms are the most difficult to remove by conventionalwater treatment and why?

(iii) Why is coliform re-growth in distribution system a problem?

(b) The diameter of a tube well is 40 cm and the thickness of the aquifer is 16 m. The radiusof circle of the well is 140 m. The co-efficient of permeability of soil is 42 m/day.Calculate the drawdown of the well when the yield of the well is 2500 m3/day.

Q.8 (a) What are the modes of transmission of waterborne diseases? Name the differentpathogens associated with different waterborne diseases.

(b) The population of a town as obtained from census report is as given in the table :

Year 1921 1931 1941 1951 1961

Population 3,20000 4,80,000 10,20000 1600000 18,20,000

Estimate the population of the town in the year 2011 by using incremental Increase

method.Q.9 (a) Write short notes on the following :

(i) Sanitary landfills

(ii) Break point Chlorination

(v) Fire hydrants

(vi) Ferrules

(vii) Pyrolysis and incineration

(b) The average daily demand at a town has been estimated as 8 million liters per day.Design a suitable sedimentation tank assuming a detention period of 5 hours andvelocity of flow as 22 cm/minute.

Q.10 (a) Define the average per capita demand of water and discuss the factors affecting it.

(b) For a city of population 200000 and having average water consumption of 150 litres percapita per day, calculate the following :

(i) Average daily demand

(ii) Maximum daily demand

(viii) Fire demand

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ET 507 (Part B)

WASTE WATER TREATMENT

Note : All questions are compulsory and carry equal marks. This assignment isbased on all Blocks of Waste Water Treatment.


Course Code : ET-507B Last Date of Submission : Sept. 30, 2011

BTWRE

Q.1 (a) What are the factors which affects the peak rate of runoff while a storm hits a particularcatchment? Describe various empirical formulae for computation of peak discharge.

(b) A population of 30,000 is residing in a town having an area of 60 ha. If the averagerunoff coefficient from this area is 0.60, and the time of concentration of design rain is30 minutes, calculate the discharge for which the sewers of a proposed combinedsystem will be designed for the town in question.

Q.4 (a) Enlist various types of pumps that are commonly used for pumping sewage and explainabout one of them.

(b) A low lying residential colony is having a population of 3000 persons. The colony gets aper capita supply of water at the rate of 140 liters/day. Design an air ejector as a

composite unit for the area, assuming following data : Velocity of compressed air that is supplied = 6 m/s

Velocity in the main sewer = 0.9 m/s

Time required to lift the ejector = 10 minutes

Height of the ejector is = 2.0 m

The entire water that is supplied appears as sewage.

Q.3 Write short notes on the following :

(i) Imhoff Tanks

(ii) Manhole(iii) Sodium Absorption Ratio (SAR)

(iv) Crown Corrosion

(v) Oxygen Sag Curve

(vi) Gas Transfer.

Q.4 (a) What is meant by activated sludge? Describe with sketches the treatment of sewage byactivated sludge process?

(b) With the help of a neat sketch, explain the working of skimming tank.

Q.5 (a) With the help of a neat sketch describe the working of sludge drying beds?(b) Draw neat sketches of ventilators that are used in a sewerage system. Are they needed

even for storm sewerage system?

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Q.6 (a) Discuss the problems and prospects of waste water recycling in agriculture.

(b) A bar screen is installed in a waste water treatment plant receiving a daily peak flow ofcrude sewage of 40,000 M3. Estimate the head loss through the screen and gross areaof screen.

Q.7 (a) Differentiate between aerobic and anaerobic forms of biological stabilization reaction.

(b) If a factory produces an average of 250 M3

/d of waste water with BOD5 of 1200 mg/l andassuming that per capita daily sewage flow is 100 litre and that the per capita daily BOD5contribution is 50 gm, calculate the BOD5 equivalent population and hydraulic equivalentpopulation.

Q.8 (a) Use a flow diagram to indicate the various methods for the treatment and disposal ofseptage.

(b) Given a volume of 100 m3 of sludge at 95% moisture content, determine the volumeoccupied by the sludge when dewatered to 70% moisture. Assume the solid specificgravity 1.4.

Q.9 (a) What are the processes involved in the removal of heavy metals from waste waterduring treatment by artificial wetlands.

(b) Discuss the systems approach to planning waste water reuse.

Q.10 (a) Explain, how spreading basins are better than direct injection well system.

(b) Write the importance of following in the sewer design :

Self Cleaning Velocity

Limiting Velocity

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ET 508 (Part A)STRUCTURAL DESIGN-I

Note : All questions are compulsory and carry equal marks. This assignment isbased on all Blocks of Structural Design-I. Assume suitable data wherevernecessary.


Course Code : ET-508A Last Date of Submission : July 31, 2011

BTCM/BTWRE

Q.1 (a) Write short notes on :

(i) Assumption of Limit States

(ii) Characteristic Loads and Strengths

(iii) Partial Safety Factors

(b) Prove that at limit state, (i) the total compressive force in concrete on a unit width of arectangular cross-section is equal to 0.36 fckXu and (ii) distance of its CG from the outermost fibre in compression is 0.42 Xu.

(5 + 5 = 10)

Q.2 (a) Determine the moment of resistance of RC beam for the following data :

b = 350, d= 400, d = 45, ASt = 5 25, ASC = 2 25, FY = 415 MPa, and fck = 20 MPa.

(b) Design a beam for shear reinforcement having a cross section ofb x D = 350 x 500reinforcement with 4 20. The factored shear force = 130 kN. Use M15 concrete andFe250 steel. Provide vertical stirrups only as shear reinforcement.

(c) Define bond stress and discuss the mechanism of bond between concrete andreinforcement.

(4 + 4 + 2 = 10)

Q.3 (a) Explain with sketches different design considerations and design loads for masonry piersand abutments for bridges.

(b) Design for flexure only a RC beam of 6 m clear span supported on two walls of 250 mmthickness and carrying a super-imposed load of 15 kN/m. Use M20 concrete andFe415 steel. Use limit state method for design.

(4 + 6 = 10)

Q.4 (a) Explain the procedure for fixing total depth D of footing.

(b) Design a rectangular footing for a rectangular column of 250 x 350 mm carrying a load of500 kN. The safe bearing capacity of soil is 150 kN/m2. Use M 20 concrete and

Fe 250 steel.(3 + 7 = 10)

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Q.5 (a) Explain codal provision of development length at simple support and at point of inflexion.

(b) Design a simply supported beam of 7 m clear span. The beam is supported on 400 mmthick wall and loaded with a super-imposed dead weight of 25 kN/m as well as a liveload of 10 kN/m. Use M20 concrete and Fe250 steel.

(c) Design a continuous beam for superimposed dead and live loads of 15 kN/m and13 kN/m respectively. Use M20 concrete and Fe250 steel. See Figure 1. (Assume wallwidth 375 mm).

Figure 1

(1 + 3 + 6 = 10)

Q.6 (a) Design a lintel for 2.5 m wide central opening in a brick wall of total length of 4 m of aroom of total inside dimension 4 m x 3.0 m for the following data :

(i) thickness of wall = 40

(ii) thickness of RC roof slab = 120

(iii)lime terrace thickness = 150

(iv) parapet wall over the roof of 1m ht. and 100 thick

(v) height of wall above lintel = 1.0 mUse M 20 concrete and Fe 250 steel.

(b) Design a circular roof slab of inside diameter 5.750 m, supported on brick wall of400 mm for the following data :

Roof slab thickness = 190

Lime concrete thickness = 150

Live load on roof = 0.75 kN/m2

Use M 20 concrete and Fe 415.

(4 + 6 = 10)

Q.7 (a) Two column having cross-section of 450 x 450 mm and 500 x 500 mm are transmittingloads of 1300 kN and 1500 kN respectively. The centre-to-centre distance between thecolumn is 5m and the bearing capacity of soil is 300 kN/m2. Design a combinedrectangular footing with beam joining the columns.

(b) What are the methods of analysis for design of a raft foundation?

(8 + 2 = 10)

Q.8 (a) Describe the various types of joints used in water tanks.

(b) Design an over-head water tank for a capacity 1200 kl with 18 m staging. The net safebearing capacity of soil at 2.0 m depth is 120 kN/m2. The tank is located in Delhi.

(2 + 8 =10)

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Q.9 (a) Design a slab culvert for given data :

Location of culvert National Highway

Carriageway Two-lane width

Material M 20

Clear span, LC 7.0 m

(b) Explain the relative merit and demerits of using the virtual work and equilibriummethod of analysis.

(5 + 5 = 10)

Q.10 Design a RC counter-fort retaining wall to support the difference in ground elevation of 5.0 m.The depth of foundation may be taken as 2.0 m below ground level, with an allowable bearingcapacity of 150 kN/m2. The top of the earth retained is horizontal with a unit weight 15 kN/m2

and an angle of shearing resistance of 30o. The coefficient of friction between soil andconcrete may be taken as 0.5.

(10)

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ET 508 (Part B)STRUCTURAL DESIGN-II

Note : All questions are compulsory and carry equal marks. This assignment isbased on all Blocks of Structural Design-II.



BTCM/BTWRE

Q.1 (a) Determine the wind pressure for a wind pressure for a bridge (80 years life), 22.5 mspan located about 20 km from Moradabad. Also find the design wind force in terms ofthe width of bridge.

(b) What are the various systems of design prevalent in the case of steel structures? Whatare the basic among them?

(c) Explain the limit state method with Plastic Analysis.

(d) Explain failure of a riveted joint with sketch.

(3 + 2 + 2 + 3 = 10)

Q.2 (a) Design a butt joint to connect two plates 240 x 12 mm (fy = 250 N/mm2) using M20 bolts.Arrange the bolts to give maximum efficiency.

(b) Two plates 12 mm thick are connected by a double riveted lap joint. Power driven16 mm diameter rivets at 60 mm pitch are provided. Find the load carrying capacity andthe efficiency of the joint.

(c) Design a column with a two channel section laced together to support a load of 3300 kN.The effective length of the column is 5.2 mtr.

(4 + 3 + 3 = 10)

Q.3 (a) Distinguish between black bolts and fitted bolts. Also mention maximum working stressin them.

(b) A fillet-welded connection for a ISMC 350 Channel is limited to a length of 40 cm. The

channel carries as axial load of 700 kN. Design a suitable weld for the joint. Assume a12 mm gusset plate.

(4 + 6 = 10)

Q.4 (a) Design the bottom chord tension member of a steel bridge truss along with its rivetedconnections to carry a total tensile force of 1600 kN. (Allowable stress in steel at = 150 MPa). The length of the member is 5 m.

(b) Design a column base for an axial load of 700 kN and a moment bending of 100 kN m.The column section provided is I.S.H.B.400 @ 822 N/m. Design the anchor bolts also, ifrequired. The bearing pressure from concrete may be assumed to be 4200 kN/m2.

(c) Design a two span continuous beam 8 m long, each span being being 4.0 m. It supportsa design uniform load of 50 kN/m. Use the steel with yield stress of 250 MPa.

(4 + 3 + 3 = 10)

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Q.5 (a) Design a simply support gantry girder to carry an electric overhead travelling crane forthe following data :

Crane capacity 320 kN

Weight of crane and crab 300 kN

Weight of crane 200 kN

Minimum Approach of crane hook 1.20 mDistance between c/c of wheel 3.20 m

Distance between c/c of gantries 3.20 m

Span of gantry girder 4.00 m

Weight of rails 300 N/m

Height of rails 75 mm

Yield stress of steel 250 MPa

(b) Find the wind pressure for different permeabilitys to be allowed for the design of a roof

truss having the rise equal to 3/4 its span. The average height of the roof above Groundlevel is 7m. The building is situated in Jabalpur.

(6 + 4 = 10)

Q.6 (a) In a through type riveted plate girder bridge, the effective span of the plate girder is18 m. Each girder supports a live load inclusive of impact of 150 kN/m run in addition toits own weight. Design the mid-span section, the bearing stiffener and the intermediatestiffener.

(b) Deduce the shape factors for the following sections :

(i) triangular,

(ii) diamond, and

(iii) hollow tube

(c) A simply supported beam of uniform cross- section and span 2L is propped at thecentre. Find out the collapse load if,

(i) A concentrated load is applied at the centre of the left hand span, and

(ii) Equal concentrated loads are applied at the centre of each span.

(4 + 2 + 4 = 10)

Q.7 (a) What are the assumptions made in Janssens theory? What are the forces acting on thewalls of a bin?

(b) What are the factors causing increase in load on bunkers? Design a bunker of size15 m length x 8 m width. It has 6 m depth vertical plate and height of through is 6 m. Usecement for storing

(3 + 7 = 10)

Q.8 (a) Determine the net area of a plate section 250 x 20 mm size with rows of holes in astraight chain (parallel to the line of pull). The rivets are 16 mm diameter And the edgedistance is 30 mm?

(b) Design the bottom chord tension member of a steel bridge truss along with its rivetedconnections to carry a total tensile force of 1600 kN. (Allowable stress in steel at = 150 MPa). The length of the member is 5 m.

(4 + 6 = 10)

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Q.9 (a) Determine the size of a sag rod for a tensile force of 30 kN, the purline spacing are 2mcentre to centre. ( at = 150 MPa).

(b) Design a battened column to carry an axial load of 1600 kN. The length of the column is8.5 m with one end fixed in position and direction. The other end is fixed in position butfree to rotate.

(5 + 5 = 10)

Q.10 (a) Discuss the various types of web splices and explain when they are adopted.

(b) Design a deck type riveted plate girder bridge for BG main line for a span of 22 metre.

(3 + 7 = 10)

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Q.1 Discuss how site drainage affects a grading plan. What are Run off, Cut off and Fly off?

Describe the methods of determining the sub soil composition of a site, where a large andmultistoried office building is to be built?

Q.2 What do you understand by controlled blasting? Which all explosives are used for this (givecommercial name as well as scientific name)? Describe any two projects where controlledblasting technique was used in a major way.

Q.3 Describe the processes of storing cement, quick lime and timber. In your answer, point out whythat process is the best and unique for adaptation.

Q.4 Strength of R.C.C. depends upon a number of factors. Discuss about at least four differentfactors which you find most important. Explain why they are so important to you.

Q.5 Estimation minimizes the unknown and optimizes the description, dimensions and quantities ofthe project. Elaborate the principles involved and explain how estimation differs fromvaluation?

Q.6 A project consists of 13 activities. The dependency table is as given below.

Activity Preceding Activity Time (Weeks)

A 1

B A 14

C B, F 6

D A 4

E B, F 6

F A 18

G C, D, E 2

H B 3

J H 3

K H 4

L J, K 1

M L 1

N G, M 2Draw CPM network and carryout time analysis. Assume suitable data wherever required.

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ET 524 (Part B)CONSTRUCTION MANAGEMENT-I

Note : All questions are compulsory. Marks assigned to the questions havebeen shown in the brackets. This assignment is based on all Blocks ofConstruction Management-I.



BTWRE


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Q.7 Prepare an abstract estimate for a small housing unit comprising a living room with kitchen andattached toilet meant for Economically Weaker Section (EWS) of the society. Assume realisticpresent rates of all items of work.

Q.8 What do you understand by Approximate Estimate and why this required? Explain the fivemethods of obtaining Approximate Estimates.

Q.9 What is inflation? Discuss the methods of accounting inflation. Why is inflating accountingnecessary?

Q.10 Explain what is meant by Lawful Consideration and Lawful Object of a contract? Whyconsiderations must be real?

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ET 525

CONSTRUCTION MANAGEMENT-II

Note : All questions are compulsory and carry equal marks. This assignment isbased on all Blocks of Construction Management-II.


Course Code : ET-525 Last Date of Submission : Sept. 30, 2011

BTCM

Q.1 (a) Explain the features of a Construction Industry.(b) What do you mean by Project Life Cycle? Explain the Project Phases and Process.

Q.2 (a) Discuss the various independent variables or complexity parameters of organisationaldesign.

(b) State Explain briefly the Matrix Organisational Form with the help of neat sketch.Describe its relative merits and demerits.

Q.3 (a) Discuss the objectives of Inventory Control.

(b) Explain the different methods of Stock Valuation.

Q.4 (a) Describe the essential elements of a Contract.(b) Discuss the importance of time of completion to the Contractor and the owner.

Q.5 (a) Describe the different functions of Construction Accounting.

(b) Discuss the purpose of preparing Bank Reconciliation Statement. Also explain themethod of preparing Bank Reconciliation Statement.

Q.6 (a) Discuss the Ratios for analysis of financial performance of a construction industry.

(b) What do you mean by Working Capital? Explain the different sources of finance forWorking Capital.

Q.7 (a) Explain the importance of discipline in construction industry.(b) What do you mean by Collective Bargaining? Explain the major precautions required to

be exercised during Collective Bargening.

Q.8 (a) Explain the various factors affecting the performance characteristics of Draglines.

(b) Discuss the role of equipment productivity in selecting an equipment.

Q.9 Write short notes on the following :

(i) Investment Appraisal

(ii) Economic Order Quantity

(iii) Field Quality Control

(iv) Liquidated Damages.

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Q.10 Differentiate between the following :

(i) Arbitration and Litigation

(ii) Line Staff Organisation and Pure Project Form

(iii) Stock Valuation and Verification

(iii) (iv) Tender and Performance Bond.

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ET 535 (Part A)

ELEMENTARY HYDROLOGY

Note : All questions are compulsory and carry equal marks. This assignment isbased on all Blocks of Elementary Hydrology.


Course Code : ET-535A Last Date of Submission : Sept. 30, 2011

BTCM

Q.1 (a) Enumerate the science associated with hydrology.(b) Discuss the major components to be considered for carrying out a regional water budget

study.

(c) What are the main processes responsible for making water available on land surface?Why do we need to study our atmosphere?

(4 + 3 + 3 = 10)

Q.2 (a) Describe various ways of expressing water vapour content in the atmosphere. Discuss indetails.

(b) What do you understand by precipitable water? Explain as to how would you estimate it

for an area?(c) Calculate the precipitable water (mm) in a 10-km high saturated atmospheric column if

the surface conditions are : air temperature = 20oC, pressure = 101.3 kPa and the lapserate () is 5.0oC/km

(2 + 2 + 6 = 10)

Q.3 (a) Discuss how to express the net solar energy received at the earths surface. Explainatmospheric circulation system.

(b) Discuss differential heating of earth and its effect on the atmosphere.

(c) Discuss the important features of different types of rain gauge.

(4 + 3 + 3 = 10)

Q.4 (a) A reservoir with a surface area of 500 hectares had the following average values ofparameters during a given week: water temperature = 20oC, relative humidity = 40% andwind velocity at 1.0 m above the ground = 28 km/h. Estimate the average dailyevaporation from the lake and the total volume of water evaporated from the lake duringthat one week.

(b) Calculate by energy balance method, the evaporation rate from an open water surface, ifthe net radiation is 220 W/m2 and the temperature is 26oC, assuming no sensible heat orground heat flux.

(c) Explain analytical methods for the determination of lake evaporation.

(4 + 4 + 2 = 10)

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Q.5 (a) Distinguish between the terms potential evaporation and the actual evaporation. Explainthe relation between the two.

(b) A catchment is at a latitude of 12o18N, and at an elevation of 750 m above MSL.

The mean monthly temperatures observed are given below :

Month Jan Feb March April May June July Aug Sept Oct Nov Dec

MeanmonthlyTemp. (oC)

1.8 20.5 26.0 28.0 25.0 25.0 23.0 23.5 24.5 24.5 23.0 19.0

Calculate the monthly and annual PET for this catchments using Thornthwaite formula.

(c) Bring out the difference between depression storage and surface detention.

(3 + 5 + 2 = 10)

Q.6 (a) What is the importance of infiltration in hydrologic cycle? Explain the typical shape of aninfiltration curve. Discuss the practical importance of -index.

(b) Explain the basic steps involved in estimation of storm runoff.(c) Explain estimation of snowmelt.

(4 + 2 + 4 = 10)

Q.7 (a) For a catchment in Uttar Pradesh, the mean monthly rainfall and temperature are givenbelow. Calculate the annual runoff coefficient by Khosla formula.


Temp.(C)

12 17 20 28 30 35 30 30 27 28 20 14

Rainfall

(mm) 6 4 3 0 0 10 37 30 10 2 2 5

(b) Explain flow duration curve and also explain the characteristics of flow duration curve.

(c) Observed values of runoff, at a stream gauging site are given below. Upstream of thegauging site, a weir, built across the stream, diverts 2.8 and 0.6 Mm3 of water per monthfor use in irrigation and industry. The return flows from irrigation, estimated at 1 Mm 3 permonth, and from the industry at 0.8 Mm3 per month, joins the stream upstream of thegauging site. Estimate the virgin flow of the river. If the catchment area is 115 km2 andthe average annual rainfall is 180 cm also determine the runoff-rainfall ratio.


Runoff(mm) 2.2 1.6 0.8 0.6 2.1 8.0 28.0 22.0 11.0 9.0 7.0 2.0

(4 + 2 + 4 = 10)

Q.8 (a) Explain Non recording stream gauging station and recording stream gauging station.

(b) The velocity of float in a stream was observed to be 6.0 m/s. Compute the average flowvelocity corresponding to this observation. Adopt a reasonable value of the requiredcoefficient and explain why this coefficient is needed.

(c) What is the difference between the discharge measurement using current meter in anordinary stationary boat and in a moving boat? Explain Dilution Technique of streamflow measurement.

(3 + 3 + 4 = 10)

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Q.9 (a) What is the main difficulty in using the slope area method of discharge measurement?

(b) In a rectangular channel which is 15 m wide, the depth of flow and cross-sectional areasare measured as 3.5 m, 52.5 m2 and 3.4 m, 51.0 m2 at two sections 250 m apart. Thedrop in the water surface elevation was found to be 0.10 m. Assuming Manningscoefficient to be 0.016 estimate the discharge through the channel.

(c) Explain components of Runoff and Hydrograph.

(3 + 5 + 2 = 10)

Q.10 (a) Define unit hydrograph and assumptions made in the theory of unit hydrograph. Alsoexplain application of unit hydrograph.

(b) Explain Synthetic unit hydrograph and methods used for the development of syntheticunit hydrograph.

(c) Explain unit hydrograph from complex storm events. Explain methods for analysis ofthe same events.

(4 + 3 + 3 = 10)

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Q.1 (a) Explain the different types of reservoirs in brief.(b) Describe the sedimentation Accumulation in a typical reservoir with the help of a neat

sketch.

Q.2 Distinguish clearly between a low gravity dam and a high gravity dam. Derive the expressionsused for such a distinction. Determine the critical height of a low gravity dam of concrete,taking the specific gravity of concrete as 2.44 and allowable compressive stress as 344 t/m2.

Q.3 A dam 4 m high is one meter wide at the top and 3 m wide at the base and has a verticalwater face. Calculate the maximum and minimum stresses at the base for reservoir fullcondition. Take density of masonry = 20 kN/m3 and density of water = 10 kN/m3.

Q.4 (a) Describe the various types of earth dams.

(b) Discuss in detail as to how you will test the stability of an earth dam constructed ofcohesive soil.

Q.5 (a) What is a weir? How does a weir help in raising the water level or pond level?

(b) What do you mean by scouring sluices? Explain the usual functions of scouring sluices.

Q.6 (a) Explain Blighs theory for design of weir floor on permeable foundations. How will youensure the safety of the work against the effects of piping and uplift pressure due toseepage?

(b) Discuss the failure of earth dams.

Q.7 (a) Using Laceys basic regime equations, show that P = 4.75 Q. where all the terms have

their usual meanings.(b) The slope of a channel in alluvium is S= 1/5000.

Laceys Silt factor = 1.0

Channel side slope = 1/2 : 1

Find the channel section and maximum discharge which can be allowed to flow in it.

Q.8 (a) Show that Capital recovery factor ( ) can be expressed as(1 )

(1 ) 1

i i

i

+ =

+ .

where all the terms have their usual meaning.

(b) Design a trapezoidal shaped concrete lined channel to carry a discharge of 105 cumecat a slope of a 25 cm/km. The side slopes of the channel are 1.5 : 1. The value of N maybe taken as .016. Assume the limiting velocity as 1.5 m/sec.

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ET 535 (Part B)

HYDRAULIC STRUCTURES

Note : All questions are compulsory. Marks assigned to the questions havebeen shown in the brackets. This assignment is based on all Blocks ofHydraulic Structures.

Maximum Marks : 100Weightage : 30% Course Code : ET 535B

Last Date of Submission : Sept. 31, 2011

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Q.9 (a) Explain the requirement of a good outlet.

(b) Discuss the design parameters of a cross drainage work.

Q.10 (a) What are the various types of canal falls commonly adopted? Discuss the suitability ofeach type.

(b) Discuss the methods available for controlling entry of silt into a cannel.

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ET 537 (Part A)

SOIL CONSERVATION AND AGRONOMY

Note : All questions are compulsory and carry equal marks. This assignment isbased on all Blocks of soil Conservation and Agronomy.


Course Code : ET-537A Last Date of Submission : July 30, 2011

BTWRE

Q.1 Write an essay on soil as a natural resource and status of losses due to soil erosion in differentparts of India.

Q.2 Write in detail the Modified Universal Soil Loss Equation (MUSLE). Explain its different terms.How is it different from USLE?

Q.3 Differentiate between design of graded terrace and bench terrace? Write step by stepprocedure for design of a terrace system for an area where land slope is 18%.

Q.4 Prepare a note with updated data on increase of gully erosion in India. Write down merits anddemerits of temporary structures. Detail out two important temporary structures.

Q.5 From view point of water conservation, explain the importance of irrigation and drainagesystems employed in farms. With neat sketches explain installation of micro drip irrigationsystem.

Q.6 An area near Hisar is badly affected with excess alkalinity. Detail out the options forreclamation of soil. Which option would you recommend for farmers and why?

Q.7 Write crop production practices for better yield of rice crop in some part of Eastern India wherepresent production is low.

Q.8 What is organic farming? Explain. Write details of certain bio-pesticides suitable for vegetablecrops.

Q.9 What are the main types of disasters faced by Indian farmers? Write detailed steps if draughtmanagement.

Q.10 Write different component of integrated watershed management. Write in detail the avenues of

commercial activities in watershed management. Discuss different schemes launched by GOIfor development of watershed in India.

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ET 537 (Part B)

AGRICULTURAL LEGISLATION AND MANAGEMENT

Note : All questions are compulsory and carry equal marks. This assignment isbased on all Blocks of Agricultural Legislation and Management.



BTWRE

Q.1 Explain the role of rural credit as vital input to modern input intensive agricultural productionsystem. Discuss the improvements in rural credit particularly agricultural credits scenario inIndia.

Q.2 Discuss the strength and weaknesses of co-operative credit in India. Write an essay oncontribution of NABARD in ameliorating the condition of rural economy.

Q.3 Rural unemployment is a burgeoning problem in India. Recently, an ambitious scheme hasbeen launched by Government of India. Name the scheme and discuss it in detail particularlyits impacts in mitigating rural unemployment.

Q.4 Agricultural marketing is a weak link in improving rural livelihood. Discuss the statement andwrite the characteristic of good marketing system. Evaluate agricultural marketing of rural

India.Q.5 Prepare a status report on Contribution of different livestocks in Indian economy. Discuss the

role of co-operative movements in strengthening dairy industry in India.

Q.6 Knowledge deficit is a weak link to agricultural production and productivity. Justify thestatement. What are different modes for dissemination of agricultural technology information?How can we strengthen the extension programme in the country?

Q.7 What are the steps involved in disaster management? What structural changes have beenbrought in, recently, in this regard? Write are bottlenecks in disaster management in India.

Q.8 Discuss major schemes for women upliftment undertaken by Indian Government of Indiaduring the last decade. How self help group schemes has transformed lives of women?

Q.9 What is present status of CADP? How is it different from Integrated Watershed ManagementProgramme? Make a evaluation statement of these programmes in India for last two decades.

Q.10 List the drawbacks of green revolution? Describe the aims and objectives of ever greenrevolution of Indian Council of Agricultural Research.

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ET 581 (Part B)

INVENTORY AND STORES MANAGEMENT

Note : All questions are compulsory and carry equal marks. This assignment isbased on all Blocks of Inventory and Stores Management.



BTCM

Q.1 Discuss the safety precautions to be taken for the storage of chemicals and storage ofexplosive materials.

Q.2 The demand for a particular model of mobile is 20,000 units per year. The mobile can beproduced at the rate of 4000 per month. The set up cost is Rs. 3000 per cycle and theinventory carrying cost is Rs. 0.40 per unit per month. The shortage cost is Rs. 25 per unit permonth. What is the optimal production in each set-up?

Q.3 Distinguish between dependent and independent demand in a fast food company, in anautomobile company, and in a pharmaceutical warehouse.

Q.4 A small manufacturing company uses about 3400 kg of chemical product a year. Currently thecompany purchase 300 kg per order and pays Rs. 30 per kg. The supplier has just announcedthat order of 1000 kg or more will be filled at a price of Rs. 20 per kg. The manufacturing

company incurs a cost of Rs. 1000 each time it submits an order and assigns an annualholding cost of 17 percent of the purchase price per kg.

(i) Determine the order size that will minimize the total cost.

(ii) if the supplier offered the discount at 1500 kg instead by 1000 kg. what order size wouldminimize total cost?

Q.5 What do you understand by buffer stock? Why a company keeps buffer stock? List thereasons.

Q.6 An item X is assembled from three major assemblies : A, B and C. Sub-assembly A consistsof two units of D, two units of E, and one unit of F. To make B, component G and three units ofH are needed. Sub-assembly C requires two units of J and one F. Component D requires two

units of J and one unit of K. Construct a product structure free for item X. Determine quantitiesof A, B, C, D, E, F, G, H, J and K required to produce 200 units of X.

Q.7 What is meant by requisition? Why there are problems of pending requisition? What steps youwill take to resolve the problem of pending requisition.

Q.8 Describe the advantages and disadvantages of central store. Give justification with suitableexamples in support of your answer.

Q.9 What kind of policy or procedure would you recommend to improve the inventory operation ina departmental store? Justify your answer with suitable examples.

Q.10 A company has a monthly demand of 800 units of a product. The company can produce8 products per hour when it starts a production run. It costs Rs. 3000 for shop set-up to start a

production run. The inventory carrying cost amounts to Rs. 1.50 per unit per month. What isthe optimal batch size? Assume 25 working days in a month and eight working hours in a day.How frequently should the production run be undertaken and what should be the length ofeach run?

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ET 581 (Part C)

BUILDING SERVICES

Note : All questions are compulsory and carry equal marks. This assignment isbased on all Blocks of Building Services.


Course Code : ET-581C Last Date of Submission : July 31, 2011

BTCM

Q.1 (a) What are the common methods of transmission of water from one point to another?What are the considerations for selecting a method?

(b) Disinfection of water has to be done for killing various types of pathogenic organisms.Discuss various method of disinfection of water.

(5 + 5 = 10)

Q.2 (a) Discuss the various types of pipes used in pipelines for transmission of water? Howthese pipes are joined and tested?

(b) Discuss how PVC pipes are suitable in water supply systems. What is your experiencein using such pipes?

(c) Discuss various types of water supply to high-rise buildings. What factors would you

consider in design of consumers pipes?(4 + 3 + 3 = 10)

Q.3 (a) What are the basic principles of sewage treatment? Explain by means of a flow sheet,giving brief description of each process and principle in it.

(b) Describe the various materials used in sewer construction. What factors influence theirselection?

(5 + 5 = 10)

Q.4 (a) What do you understand by Energy Conservation and Energy Audit? What point willyou follow for energy conservation in lighting and motors?

(b) Electric is a good servant but a bad master. Discuss the possible hazards in the use ofelectricity and the safety rules you will follow.

(5 + 5 = 10)

Q.5 (a) Draw the sketch of a pre-cast spiral staircase and mark its components. Explain theprocess of construction and erection of this staircase. What safety precautions will youtake to ensure the integrity of the staircase?

(b) Write short notes on :

(i) Half-turn stairs,

(ii) Precast concrete steps and stairs, and

(iii) Stair in a multi-storied RC framed building.

(6 + 4 = 10)

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Q.6 (a) How the treated effluents are disposed off? Describe the advantage, disadvantage anduses of each type.

(b) Write short notes on :

(i) BOD and COD,

(ii) Jointing of pipe sewers, and

(iii) Design of sewers(6 + 4 = 10)

Q.7 (a) What are the various methods of earthings? Draw a neat diagram of plate earthing withall details.

(b) What is refrigeration? Describe the main components of a simple vapour compressionrefrigeration system and their functions; discuss different types of refrigeration systemswith their applications.

(5 + 5 = 10)

Q.8 (a) What are the various sources of leakage of water in a building? What are the remedialmeasures adopted to prevent such leakage.

(b) What is Absorption system of Air-Conditioning? What are its advantages over othersystems? Draw the flow cycle diagram for this system.

(5 + 5 = 10)

Q.9 (a) What do you understand by cement based and oil based paints? Discuss theirapplications.

(b) What are the ingredients of some commonly used paints? Describe the methods ofapplying these paints and the precautions to be taken.

(5 + 5 = 10)

Q.10 (a) The National Building Code divide a city in distinct zones based on fire hazards inherent

in its occupancy. List the zones and occupancies.(b) Write short notes on :

(i) Fire Detectors,

(ii) Sprinkler piping,

(iii) Carbondioxide system of fire-extinguishing,

(iv) Dry and wet bulb temperature,

(v) Cooling towers, and

(vi) Mechanical ventilation

(5 + 5 = 10)

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TUTOR MARKED ASSIGNMENTET 581 (Part F)

MECHANICAL EQUIPMENT IN CONSTRUCTION (ELECTIVE-I)

Note : All questions are compulsory and carry equal marks. This assignment isbased on all Blocks of Mechanical Equipment in Construction.


Course Code : ET-581F Last Date of Submission : July 31, 2011

BTWRE

Q.1 (a) Explain the main characteristics of power shovels. Describe the selection of type andsize of a power shovel.

(b) Explain the different types of drilling jumbos used in tunneling.

Q.2 (a) Explain the drilling patterns for a surface work.

(b) Explain the types of front-end loaders with the ratings and operations.

Q.3 Explain briefly the various types of cranes used at project sites.

Q.4 (a) A crawler tractor has bucket capacity (heaped) of 1.60 m3 with forward travel speed80 m/min and reverse travel speed of 100 m/min. Considering that the material has aswell of 20%, operating factor 40 min/hr, fixed time 0.45 min and travel distance 15 meach way find out the production of the tractor in an hour.

(b) Explain elevator and its components.

Q.5 (a) Explain the various types of trucks used at construction sites.

(b) Describe the components of belt conveyors.

Q.6 (a) A construction company has hired a compacting roller at Rs. 1500 per hour. The rollertravels at 5 kmph, time of rolling is 45 minutes, length of drum is 2.4 m, number of drumsare 2, fraction of overlap is 1/8, layer thickness is 0.30 m and the number of passesgiven are 6. Find out the hire charges of roller to be paid for compacting 10,000 m 3 ofclay soil.

(b) Explain the methods of determining depreciation rates with suitable examples.Q.7 (a) What are the various methods for cooling the aggregate?

(b) Briefly describe the components of post cooling systems for control of concretetemperatures.

Q.8 (a) Explain routine maintenance. How is it different than periodical maintenance?

(b) Define preventive maintenance and maintenance after breakdown.

Q.9 (a) What are the basic principles governing maintenance of tyres, batteries and wire ropes?

(b) Mention the characteristics of hazardous worksites. Explain the types of hazards.

Q.10 (a) Explain the methods of reducing accidents in construction industries.

(b) What are the learning principles and steps in teaching for a trainer?

Documents

Assignments IVth Year1