assignments ivth year

7/31/2019 Assignments IVth Year

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TUTOR MARKED ASSIGNMENT

ET 204 (Part B)

ENGINEERING MATERIALS

Note : All questions are compulsory and carry equal marks. This assignment is based on all

Blocks of Engineering Materials.

Maximum Marks : 100Weightage : 30%

Course Code : ET-204BLast Date of Submission : July 31, 2012

BTWRE

Q.1 (a) Give and discuss the functional and qualitative requirements of flooring materials, ingeneral. Discuss each aspect in 100 words (at least).

(b) Collecting present market data about the latest flooring material products (give thesource of your data), discuss these in the light of above discussed criteria.

Q.2 (a) Discuss in detail the role of aggregates in granolithic concrete wear-resistant surface.

(b) Outline how will you lay wear resistant surface, giving sketches/photographs of eachstage/step?

Q.3 (a) Explain what an Epoxy Resin flooring is? Discuss its various types, and the method of itsconstruction.

(b) Write an exhaustive report about its commercial formulation with their respectiveadvantages collect your own data from the market.

Q.4 With regard to water proofing work, write an essay touching on the following aspects :(i) admixtures and their functions, and (ii) types of admixtures.

Bring out the action and advantages of super-plasticizers.

Q.5 Giving photos and sketches discuss damp proofing treatment with regard to : (i) basement,(ii) ground floor level as such, (iii) plinth level top of buildings, and (iv) compound wall plinth.

Q.6 Draw on a full drawing sheet, neatly labeled 3-D sketches of the following :

(i) Finish using plaster moulds,

(ii) Textured form of linear finishes including all the types that are in use,

(iii) Exposed aggregate finishes, and

(iv) Mechanical finishes.

Explain the tems in detail.

Q.7 Summarizes the important specifications (from IS Codes) regarding various types of paintsand painting work.

Q.8 Giving sketches and photographs, discuss and explain foamed sections for doors andwindows, plastic sections in buildings, and PVC pipes and fittings.

Give the respective advantages and disadvantages.


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Q.9 Take a full drawing sheet and give 3-D sketches (fully labeled) of the following :

(i) Slip socket joint coupler,

(ii) Slip socket with a gland nut at the top coupler,

(iii) Two-screw flexible coupling,

(iv) Conduit coupler, and

(v) Conduit fittings.

Explain every item that you draw.

Q.10 Draw on a full drawing sheet, and give 3-D view of the following items :

(i) Lamp holders all the types,

(ii) Ceiling rose

(iii) Fluorescent lamp holder, and

(iv) Various types of switches

Explain their features.


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ET 505

TRANSPORTATION AND TRAFFIC ENGINEERING

Note : All questions are compulsory and carry equal marks. This assignment is based on allBlocks of Transportation and Traffic Engineering.


Course Code : ET 505Last Date of Submission : July 31, 2012

BTCM

Q.1 (a) Discuss the principal modes of transport and their shortcomings in India.

(b) Enumerate the various characteristics that determine the choice of a transport system.

Q.2 (a) Describe in brief the System Approach to Transport Planning with the help of a blockdiagram.

(b) There are two projects as detailed below :

Initial Cost ofConstruction

AnnualMaintenance Cost

Project A Rs. 12.5 crores Rs. 10 lakhs

Project B Rs. 15 crores Rs. 3.0 lakhs

What is the more economical alternative over a period of 20 years, the interest rate

being10 percent?

Q.3 (a) How are roads classified in India today?

(b) According to 1991 census, the area of a State in India was 300000 km2. The number oftowns with population above 5000 was 600. The total number of towns and villages was36000. Determine the length of various road categories.

Q.4 (a) Determine the length of a summit curve at a Junction of two gradients of 2.5% and1.5% for :

(i) Stopping sight distance of 120 m, and

(ii) Overtaking sight distance of 340 m.

(b) Calculate the safe overtaking distance for a two lane Major District Road in plain terrain.Assume :

(i) Design speed : 80 km/hr

(ii) Hesitation time : 3.5 seconds

(iii) Overtaking time : 10 seconds

(iv) Safety distance : 50 m


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Q.5 (a) Explain in brief the consideration that govern the selection of the alignment of a railwayline.

(b) Calculate the radius of the turnout curve for a turnout 1 in 8. Calculate the value oflead. The heat divergene is 140 mm. The gauge is broad gauge. The front straight leg ofthe vee-crossing is 900 mm. the switch angle is 1o35.

Q.6 (a) What is skidding in pavements? Describe the factors which are responsible for causing askid prone road surface.

(b) Design a dowel bar system for the following conditions :

(i) Design wheel load : 50 kN

(ii) Design load transfer : 40%

(iii) Slab thickness : 20 cm

(iv) Joint width : 2 cm

(v) Permissible flexural stress in dowel bar : 140 MN/m2

(vi) Permissible shear stress in dowel bar : 100 MN/m2

(vii) Permissible bearing stress in dowel bar : 10M N/m2

(viii) Kvalue of sub grade : 70M N/m3

(ix) E : 30000 MN/m2

(x) : 0.15

Q.7 (a) Discuss in brief the various factors responsible for causing road accidents.

(b) The speed and concentration of vehicles in a traffic stream are observed to be as under :

Speed (km/m) 35 45 55 65 75 85

Concentration (veh/km) 75 63 50 35 23 10

Fit a linear regression equation? Find out the r2, the coefficient of determination.

Q.8 (a) What is the purpose of providing traffic signals at road intersections?(b) A fixed time 2-phase signal is to be provided at an intersection having four arms. The

design hour traffic and saturation flow are as under :

North South East West

Design Hour Flow (q) 750 350 700 550

Saturation Flow (s) 2150 1750 2800 2750

The time lost per phase due to starting delays is 2 seconds. Calculate the optimum cycletime. Allocate the green times to the two phases.

Q.9 (a) Describe the various elements of the cost of an Airport project. Also explain theeconomic analysis of an Airport project.

(b) Determine the thickness of concrete overlay as per the US Corps of Engineers methodover an existing concrete pavement 20 cm thick which is in a good condition. It has beenfound that a new slab of 25 cm is needed. Also calculate the overlay thickness if the slabis badly cracked.

Q.10 (a) Discuss the importance of ship dimensions in the design of port facilities.

(b) A berth, 300 m long, caters to a ship carrying 48000 tonnes of cargo. Design a transitshed to accommodate the cargo. The cargo has a weight of 1.5 tonne per m3.


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Q.9 (a) A town with a population of one lakh is to be supplied with water daily at 200 litres perhead. The variation in demand is as follows :

6 am to 9 am 35% of total

9 am to 12 noon 15% of total

12 noon to 3 pm 10% of total

3 pm to 6 pm 15% of total

6 pm to 9 pm 25% of total

Determine the capacity of the service reservoir assuming pumping to be at uniform rateand the period of pumping to be form 6 am to 6 pm. Neglect fire demand.

(b) Differentiate between temporary and permanent hardness of water. Also describe indetail the Zeolite Process for softening of water.

Q.10 Write short notes on the following :

(i) Reverse osmosis,

(ii) Grab and Composite methods of sampling,

(iii) Selection of source of water,

(iv) Water Act-1986, and(v) Coagulation and Sedimentation.


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ET 507 (Part B)

WASTE WATER TREATMENT


Blocks of Waste Water Treatment.



BTWRE

Q.1 (a) What is Biochemical Oxygen Demand? Deduce an expression showing its relationshipwith time. Also enumerate the factors on which de-oxygenation constant (k) depends.

(b) The BOD of a sewage incubated for one day has been found to be 100 mg/l at 30oC.What will be 5 day BOD at runoff?

Q.4 (a) Differentiate between ejectors and pumps. An ejector has to lift 2250 liters of sewage perminute. Assuming the velocity of air in air pipe as 6m/s, and the velocity of sewage mainas 0.75m/s, find size of pipes, and the capacity of the ejector. Assume that the ejector isfilled and emptied 10 times an hour.

(b) How we can recycle treated waste water for irrigation without damaging theecosystems?

Q.3 (a) List the various types of solids presents in the waste water. How will you determine theirquantity?

(b) Estimate the peak rate of runoff generated from a basin whose area is 2.6 ha and runoff

coefficient is 0.38 for rainfall intensity of 72 mm/hr.

Q.4 (a) What are the basic components of sanitary sewer system?

(b) The 3-day 15oC BOD of a sample of sewage is 150 mg/l. Draw a graph of 5-day BOD asa function of temperature in the range 10oC to 30oC in step of 5oC.

Q.5 (a) Draw a neat sketch of a typical centrifugal pump installed for sewer pumping.

(b) A 2% solution of a sewage sample is incubated for 5 days at 20oC. The depletion ofoxygen was found to be 4 ppm. Determine the BOD of sewage?

Q.6 (a) How do imhoff tank differs from septic tanks in principal of operation? Mention twodisadvantages of imhoff tanks?

(b) What is meant by self purification of streams? Describe different factors which affect self

purification of streams.

Q.7 (a) A grit chamber is designed to remove particles with a diameter of 0.2 mm, specificgravity 2.65, settling velocity for these particles has been found to range from 0.016 to0.022 m/s depending on their shape factor. A flow velocity of 0.3 m/s will be maintainedby proportioning weir. Determine the channel dimensions for maximum waste water flowof 1000 M3/day.

(b) With the help of suitable sketches differentiate between activated sludge process andTrickling Filter process of waste water treatment.


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Q.8 (a) Explain the mechanism and advantages of adsorption technique used in waste watertreatment.

(b) Discuss the main objectives of sludge stabilization. What are the advantages of chlorinestabilization?

Q.9 (a) Define sludge volume index. What is its importance? A sewage flow of 1M3/s containing450 mg/l suspended solids is given primary sedimentation to remove 50% of thesuspended solids before discharge to the sea. Calculate the daily volume of sludge

produced if it is drawn off from the sedimentation tank at 4% solids. Assume solids havespecific gravity 1.4.

(b) Explain the construction and working of vacuum filters.


(i) Dewatering of sludge,

(ii) Detritus Tank,

(iii) Ground water recharge,

(iv) Incineration, and

(v) Grit chamber.


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ET 508 (Part A)STRUCTURAL DESIGN-I

Note : All questions are compulsory and carry equal marks. This assignment is based on allBlocks of Structural Design-I. Assume suitable data wherever necessary.


Course Code : ET-508ALast Date of Submission : July 31, 2012

BTCM/BTWRE

Q.1 (a) Define and explain the simplifying assumptions made in Limit State Method for theanalysis and design purposes. Also differentiate between limit state and working stressmethod.

(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 fckXuand (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= 250, d= 400, d = 40, ASt= 5 25, ASC= 2 25, FY = 415 MPa, and fck= 20 MPa

(b) Design a beam for shear reinforcement having a cross section of bx D= 400 x 500

reinforcement with 4 20. The factored shear force = 130 kN. Use M 20 concrete andFe 250 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 M 20 concrete andFe 415 steel. Use limit state method for design.

(4 + 6 = 10)

Q.4 (a) Two column having cross-section of 450 x 450 mm and 600 x 600 mm are transmittingloads of 1450 kN and 1750 kN respectively. The centre-to-centre distance between the

column is 4.5 m 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.5 (a) Explain the procedure for fixing total depth D of footing.

(b) Design a rectangular footing for a rectangular column of 250 x 400 mm carrying a load of500 kN. The safe bearing capacity of soil is 150 kN/m2. Use M 20 concrete andFe 250 steel.

(3 + 7 =10)


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Q.6 (a) Explain codal provision of development length at simple support and at point of inflexion.

(b) Design a simply supported beam of 5 m clear span. The beam is supported on 300 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 10 kN/m and12 kN/m respectively. Use M 20 concrete and Fe 250 steel. See Figure 1. (Assume wallwidth 350 mm).

Figure 1

(1 + 3 + 6 = 10)

Q.7 (a) Design a lintel for 1.5 m wide central opening in a brick wall of total length of 3.5 m of aroom of total inside dimension 3.5 m x 3.0 m for the following data :

(i) thickness of wall = 40

(ii) thickness of RC roof slab = 150

(iii) lime terrace thickness = 120

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

(v) height of wall above lintel = 1.0 m

Use M 20 concrete and Fe 250 steel.

(b) Design a circular roof slab of inside diameter 5.625 m, supported on brick wall of400 mm for the following data :

Roof slab thickness = 200

Lime concrete thickness = 150

Live load on roof = 0.75 kN/m2

Use M 20 concrete and Fe 415.

(4 + 6 = 10)

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

(b) Design an over-head water tank for a capacity 1000 kl with 15 m staging. The net safe

bearing capacity of soil at 2.0 m depth is 100 kN/m2. The tank is located in Delhi.

(2 + 8 =10)

Q.9 Design a RC counter-fort retaining wall to support the difference in ground elevation of 7.5 m.The depth of foundation may be taken as 2.0 m below ground level, with an allowable bearingcapacity of 160 kN/m2. The top of the earth retained is horizontal with a unit weight 18 kN/m 2and an angle of shearing resistance of 30o. The coefficient of friction between soil andconcrete may be taken as 0.5.

(10)

8 m 8 m


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ET 508 (Part B)

STRUCTURAL DESIGN-II

Note : All questions are compulsory and carry equal marks. This assignment is based on allBlocks of Structural Design-II.



BTCM/BTWRE

Q.1 (a) Classify the structural elements and show with sketches the external forces acting onthem.

(b) Explain method of design of structures. Also explain stress-strain diagrams for steel.Explain design of steel frameworks?

Q.2 (a) A bridge truss diagonal carries an axial pull of 500 kN. It is to be connected to a gussetplate 20 mm thick of a double cover butt joint with 20 mm rivets. If the width of flat tie baris 250 mm, determine the thickness of flat bar. Design an economical joint. Determinethe efficiency of the joint.

(b) Two plates of 10 mm thickness have been connected in butt joint using two 5 mm coverplates. The width of plate is 200 mm. Design the joint so as to transmit a pull equal to thestrength of plate. Use turned and fitted bolts.

Q.3 (a) What are various types of deductions made in the gross sectional area of a tensionmember? Give briefly the reasons for such deductions.

(b) Design a suitable 1.5 angles as a tensile member to carry a load of 350 kN. (Assumeyield stress of steel, fy= 250 MPa). Adopt 22 mm diameter power-driven rivets :

(i) ef= 100 MPa; Zuf= 100 MPa, pf= 300 MPa.

(ii) Use ISA 150 115 12 angle.

Q.4 (a) An rolled steel joint on a simply supported span of 6 m is loaded by uniformly distributedvertical load of 20 kN/m and horizontal load of 1.2 kN/m. The end supports do not permitany twisting of section. Design the beam.

(b) What is shear centers? Explain its significance.

Q.5 Design a riveted plate girder to carry a superimposed load of 7.5 tonnes per metre on aneffective span of 25 m. Assume girder to be laterally supported throughout:

Q.6 (a) A column consisting of ISHB 400 @ 822 N/m carries an axial load of 400 kN. Design thecolumn splices when :

(i) The ends of column are cut by ordinary method.

(ii) The ends of the columns are milled and faced for bearing. [Take fy= 250 N/mm2].

(b) A column of ISMB 400 is subjected to an axial force of 700 kN. Design the base plate.

Q.7 Design the lateral bracing system for a deck type plate girder bridge over a BG main line for aspan of 20 m. Spacing of girder is 2 m.

Take intensity of wind pressure as 1.5 kN/m2. The depth of girder is 1600 mm?


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Q.8 (a) Design a gantry girder to be used in an industrial building 15 m wide by carrying onelectric overhead traveling crane for following data :

(i) Crane capacity = 120 kN

(ii) Self wt. of crane girder (excluding trolley) = 150 kN

(iii) Self wt. of trolley, electric motor, hook etc. = 50 kN

(iv) Approximate minimum approach of hook = 1.2 m

(v) Wheel base = 3.5 m

(vi) c/c distance between gantry rail = 3.5 m

(vii) c/c distance between columns = 8.0 m

(viii) Self weight of rails = 300 N/m

(ix) Height of rail section = 75 m.

Q.9 Design a cross-girder for the following wing data : Stringer beam-ISMB 600 with 300 10 mmflange plates :

Span of the bridge = 60 mm

Type of bridge through type bridge with truss girders.

Spacing of the truss girders = 5.2 m

Type of truss 10 panels of equal length pratt type truss

Type of track BG main line

Assume suitable data, if necessary.

Q.10 Design a circular steel silo of 8 m height and 4 m internal diameter to store cement of unit

weight 15.50 kN/m3 and = 25o.


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Q.1 (a) Explain the various factors on which site selection of a project depends.

(b) Discuss the necessity of efficient site organization.

Q.2 (a) Briefly describe the various types of drawings.(b) Removal of existing services to be given utmost importance Discuss this statement.

Q.3 (a) Discuss the reasons for removal of top soil in a construction site.

(b) Explain the objectives of estimating in a construction project.

Q.4 The arch of a culvert subtends an angle of 120o at the centre. The span of the arch is 7.00 mand the thickness of the arch is 70 cm. The length of arch from face to face is 10 m. Calculatethe quantity of arch masonry work.

Q.5 The network of a certain project is shown in Figure 1 with the estimated durations of variousactivities. Determine the following :

(i) Earliest event time and latest event time

(ii) Earliest and latest start and finish times of each activity

(iii) Total and free floats for each activity

(iv) Critical path for the network

4

2

1 6

5

8

3 7

B F

H

AG

L

E

D I

J

KC

= 2t= 6t

= 4t

= 7t

=

0

t

=

7

tt=

8

=6

t

= 3t

t=

6

t=

5

=

4

t

Figure 1

Q.6 (a) Discuss the meaning and significance of cash flow.

(b) Explain the purpose of performing economic comparisons.


ET 524 (Part B)

CONSTRUCTION MANAGEMENT-I

Note : All questions are compulsory. Marks assigned to the questions have been shown in thebrackets. This assignment is based on all Blocks of Construction Management-I.



BTWRE


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Q.7 (a) Discuss the Statutory Provisions of charging depreciation.

(b) Explain the various considerations to be kept in view before procuring an equipment.

Q.8 (a) Explain the classification of construction works and the contribution of variousparticipants in managing the construction process.

(b) Discuss the contractual arrangement for Design and Build approach.

Q.9 (a) Describe the checklist for scrutinizing the tender documents prior to issue.

(b) Discuss the functions of Construction Manager.

Q.10 Write short notes on the followings :

(i) Techniques of pricing

(ii) Rater of return analysis

(iii) Work Breakdown Structure

(iv) Contractual Arrangement for Management Contract


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ET 525

CONSTRUCTION MANAGEMENT-II


Blocks of Construction Management-II.


Course Code : ET-525Last Date of Submission : July 31, 2012

BTCM

Q.1 (a) Each construction project is a unique project. Justify this statement.

(b) Explain the different dimensions of an organisational structure.

Q.2 (a) Describe the characteristics of organisational culture. Also explain the effect ofsocialization on the organisational culture.

(b) Explain the factors normally considered while selecting the organisation form.

Q.3 (a) Explain the necessity and advantages of Integrated Materials Management Approach.

(b) Describe the elements of purchasing with the help of a systematic diagram.

Q.4 (a) Explain the various items included in the general conditions of Contract.

(b) What do you mean by Arbitration? Explain the procedure of conduct of arbitrationproceedings.

Q.5 (a) Explain the objectives of construction Accounting. Also describe its Limitations.

(b) Discuss the main items of manufacturing account.

Q.6 (a) Describe the flow of funds within the firm with the help of a schematic diagram.

(b) What do you mean by Risk Analysis? Explain the methods of incorporating risk factorsin Capital budgeting decisions.

Q.7 (a) Explain the objectives and techniques of Manpower Planning for Constructionorganisations.

(b) Discuss the various factors affecting the performance of women employees inconstruction industry.

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

(b) Discuss the advantages and disadvantages of purchasing equipment as compared torenting it.


(i) Equipment Planning

(ii) Vender Rating

(iii) Retention Money

(iv) Collective Bargaining.


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Q.10 Differentiate between the following :

(i) Reordering point and Reordering Level

(ii) Surplus and Obsolete Stock

(iii) Construction and Executive Drawings

(iii) Owning and Operating Cost.


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ET 535 (Part A)

ELEMENTARY HYDROLOGY


Blocks of Elementary Hydrology.



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 itfor an area?

(c) Calculate the precipitable water (mm) in a 10-km high saturated atmospheric column ifthe surface conditions are : air temperature = 22oC, pressure = 101.3 kPa and the lapse

rate () is 6.0oC/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 300 hectares had the following average values ofparameters during a given week : water temperature = 20oC, relative humidity = 40% and

wind velocity at 1.0 m above the ground = 18 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 200 W/m2 and the temperature is 25oC, 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)

21.5 24.5 26.0 28.0 27.0 25.0 24.0 23.5 24.5 24.0 24.5 21.0

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)

4 4 2 0 2 12 31 30 16 2 1 2

(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 3.0 and 0.5 mm3 of water per monthfor use in irrigation and industry. The return flows from irrigation, estimated at 0.8 mm3per month, and from the industry at 0.3 mm3 per month, joins the stream upstream of thegauging site. Estimate the virgin flow of the river. If the catchment area is 120 km2 andthe average annual rainfall is 185 cm also determine the runoff-rainfall ratio.


Runoff(mm)

2.0 1.5 0.8 0.6 2.1 8.0 18.0 22.0 14.0 9.0 7.0 3.0

(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 5.0 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 stream flowmeasurement.

(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 16 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 0.015 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. Also

explain 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 of thesame events.

(4 + 3 + 3 = 10)


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Q.1 (a) With the help of a neat sketch, describe the various storage zones of a reservoir.

(b) The average annual discharge of a river for 11 years is follows :

Year 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000

Discharge(cumecs)

1750 2650 3010 2240 2630 3200 1000 950 1200 4150 3500

Determine the storage capacity required to meet a demand of 2000 cumecs throughout theyear.

Q.2 What do you understand by the elementary profile of a gravity dam? Derive expressions fordetermining base width of such a dam based on :

(i) stress criterion, and

(ii) sliding criterion.

Also derive expression for normal principal and shear stresses at the base of such a dam.

Q.3 (a) Discuss the various causes of failure of earth dams. How would you prevent differenttypes failures.

(b) Describe the Swedish circle method for checking the stability of down-stream slopeunder steady-seepage condition.

Q.4 (a) Discuss the considerations for selecting the site for a headworks.

(b) What is a barrage? How is it different from a weir?

(c) With help of neat sketch, describe the components of a diversion headworks.

(d) What is a divide wall? What are the functions of a divide wall in a diversion headworks?

(e) What is the purpose of providing fish ladder? Discus the general considerations for itsdesign.

Q.5 Design a siphon aqueduct for the given data at the crossing of a canal and a drain :

(i) Discharge of canal = 45 cumec

(ii) Bed width of canal = 30 m

(iii) Full supply depth of canal = 1.6 m

(iv) Bed level of canal = 206.4 m

(v) Side slope of canal = 1.5 H : 1 V

(vi) High flood discharge of drain = 450 cumec

(vii) Bed level of drain = 204.5 m

(viii) General ground level = 206.5 m.


ET 535 (Part B)

HYDRAULIC STRUCTURES

Note : All questions are compulsory and carry equal marks. This assignment is based on allBlocks of Hydraulic Structures.


Course Code : ET 535 BLast Date of Submission : July 31, 2012

BTCM


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Q.6 Determine the vertical normal stress, shear stress, horizontal stress distributions;corresponding values of principal stresses and direction on the plane at the base (GL) of adam (Figure 1), for the following loading conditions :

Upstream reservoir level = 704.0 m

Elevation (RL) of sediment = 600.0 m

Horizontal earthquake acceleration = 0.15 g

Vertical earthquake acceleration = 0.075 g

Figure 1

Q.7 Section of a hydraulic structure is shown in Figure 2. Determine the uplift pressure of keypoints by Khoslas theory. Also find whether the section is safe against uplift at A and B.Check against piping if it is founded on fine sand with a permissible exit gradient of 1/6.

Figure 2

Q.8 (a) State Kennedys silt theory and Lacys silt theory and distinguish between the two.

(b) Design an irrigation channel to supply 55 cumec of water at a slope of 1/5500. UseKenneys theory and take Kutters N= 0.025 and m= 0.95.

(c) Describe various types of canal lining with their respective advantages anddisadvantages. Give sketches of canal sections having these types of l inings.

(d) Design a concrete lined channel having a trapezoidal section for the following data :

Discharge = 350 cumec

Bed slope = 1 in 8500

Side slope of channel = 1.5 : 1 (H : V)

Depth of channel is restricted to 4.5m

Adopt mannings n= 0.012

15 m 150 m

10.0 m

160.0 m

RL = 700.0 m

9.0 m

10 m

10 m10 m

20 m

30 m

40 m

15 m

B CA

Impervious Floor


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Q.9 (a) Differentiate between Modular and Non-modular outlets. With the help of a neat sketchdescribe the Open Flume Outlet and its working.

(b) What are the various design parameters of an outlet? Discuss the significance of each.

Q.10 Design a 1.5 m Sarda fall for a channel carrying 25 cumec of discharge at a depth of flow of1.2 m. The bed width of the canal is 22 m.


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ET 537 (Part A)

SOIL CONSERVATION AND AGRONOMY


Blocks of soil Conservation and Agronomy.



BTWRE

Q.1 Discuss the USLE for estimation of soil loss. What improvements have been done in thisequation? Determine soil loss from watershed of 100 ha located in region where, R= 5000,K = 0.015 Mg/ha-yr, slope = 10%, slope length = 130 m and c = 0.18 Crop rotation is

jowar-mustard with good management practices.

Q.2 With the help of neat diagrams explain control practices for wind erosion. Which one is themost economical? Which are the most effective? Give reasons in support of your answer.

Q.3 Discuss the suitability, construction, economy and advantages of contour and graded bunds.Give step by step design procedure of such structure for safe disposal of excess runoff waterin hilly track with highest rainfall.

Q.4 With the help of neat diagrams, compare the suitability, design technicalities, efficacy andeconomy of three main types of permanent gully structures.

Q.5 What additional cares you take while selecting a hill drainage system. Give step by stepprocedure to install a sub surface drainage system.

Q.6 In modern agricultural practices weed is a menace Justify the statement. Write steps forintegrated weed management in rice wheat cropping system.

Q.7 What do you understand by Integrated Pest Management? Give detailed IPM for cotton cropfor a non-BT variety grown in a farm in Maharashtra.

Q.8 Discuss the role of mechanization in plant protection. Prepare a list of sprayers for orchard andfield crops with special reference of technical specifications, performance parameters andavailability.

Q.9 India has large area as rainfed. Discuss the constraints of rainfed farming. Write acomprehensive note on technology and practices to improve the production in dry land area.

Q.10 Detail out in-situ rain water conservation practices. Find out two success stories from westernIndia with detailed information showing remarkable achievement.


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ET 537 (Part B)

AGRICULTURAL LEGISLATION AND MANAGEMENT

Note : All questions are compulsory and carry equal marks. This assignment is based on allBlocks of Agricultural Legislation and Management.



BTWRE

Q.1 What are various sources of rural credit in India? Discuss the role played by commercial banksin this regard during last one decade.

Q.2 Describe the importance of co-operative credit in rural areas. Substantiate your answers withcase studies from Indian sub-continent.

Q.3 Discuss working and living condition of agricultural labours in India. Compare their conditionswith prescribed standards in this regard.

Q.4 Poor marketing infrastructure is an obstacle in growth of Indian Agriculture. Substantiate youranswer by describing existing marketing system of field and horticultural produce.

Q.5 What has been the performance of poultry industry of India? Discuss the measure to improvethe poultry breeds and their health.

Q.6 Agricultural knowledge extension is one of the vital input to agricultural production system.Comment. Prepare a detailed plan of extension programme in India. Suggest methods toimprove it.

Q.7 What is Tsunami? Prepare a detail list of disastrous effects of Tsunami to farming of affectedregion. Suggest the ways to mitigate the damage caused.

Q.8 What do you understand by women empowerment? How will it help in women emancipation?Discuss the contribution of women empowerment programmes in growth of cottage industry inrural India.

Q.9 Discuss the laws of agricultural holdings. What is co-operative land management? Explain.

Q.10 Discuss the need of crop insurance in India. Prepare a report on farmers credit cards and theirusefulness in India.


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ET 581 (Part B)

INVENTORY AND STORES MANAGEMENT

Note : All questions are compulsory and carry equal marks. This assignment is based on allBlocks of Inventory and Stores Management.



BTCM

Q.1 Do you think that the factors of Inventory influence the industry if so give reason in youranswer.

Q.2 What do you mean by Requisition? How will you solve the problem of pending requisitions asa Procurement Manager?

Q.3 The demand for an item, each costing Rs. 1 is 20000 units per year. The ordering cost isRs. 20. Inventory carrying cost is 30% based on the average inventory per year. Stock outcost is Rs. 10 per unit of shortage incurred. Find :

(i) EOQ

(ii) The Inventory Level

(iii) The Shortage Level

(iv) Cycle Period

(v) Number of Order per years

(vi) Total variable cost

Q.4 Success of any project depends on the Reliability of its Suppliers explain.

Q.5 To establish a manufacturing company what will be your planning for storage building and forsmooth store operations?

Q.6 A manufacturing company 25000 uses Rs. 15000 worth of an item during the year.The ordering cost was Rs. 75 per order and carrying cost are 13% of average inventory value.Find :

(i) Optimal Order

(ii) Number of Order per year

(iii) Time period per Order

(iv) Total Variable Cost

Q.7 Write down the precautions to be taken for the Storage of explosive and Storage of chemicals.

Q.8 (a) Explain the advantages and disadvantages of Central Store.

(b) When do you apply the Double Sampling Method in an Organization?

Q.9 Differentiate between :

(i) Functional and Physical Classification of Store

(ii) FIFO and JIT

(iii) Store and Stockyards

(iv) MAS and Reserve of Stock


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Q.10 Find out the Balance of Materials by Weighted Average Method from the following data :

Receipts Issues

Date QuantityInvoice Cost/Unit

(Rs.)Date Quantity

1st

Dec. 11 100 5 6th

Dec. 11 120

5th

Dec. 11 50 5.2 10th

Dec. 11 10

15th Dec. 11 80 5.4 15th Dec. 11 10

20th

Dec. 11 100 5.6 18th

Dec. 11 50

25th

Dec. 11 40

29th

Dec. 11 60


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ET 581 (Part C)

BUILDING SERVICES

Note : All questions are compulsory and carry equal marks. This assignment is based on allBlocks of Building Services.


Course Code : ET-581CLast Date of Submission : July 31, 2012

BTCM

Q.1 Why drinking water needs special treatment before supply? List the various unit operationscarried out for treatment of water, explaining briefly each one of them and discuss any one of

the water supply system in your locality.Q.2 What are the basic principles of sewage treatment? Explain by means of a flow sheet, giving

brief description of each process and principal in it?

Q.3 What are the basics of lighting for in industrial and domestic use, discuss some of the commonlamps in use and illumination methods adopted?

Q.4 Write short notes on :

(i) Half-turn stairs,

(ii) Precast concrete steps and stairs,

(iii) Spiral staircases, and

(iv) Stairs in a multi-storeyed R. C. framed building.

Q.5 What are the various methods of earthing? Why is earthing necessary in an electric supplysystem?

Q.6 What is refrigeration? Describe the main components of a simple vapour compressionrefrigeration system and their functions, discuss different types of infrigeration systems withtheir applications.

Q.7 What are the various sources of leakage of water in a building? What are the remedialmeasures adopted to prevent such leakages?


(i) Fire Detectors, (ii) Fire Alarm Systems,

(i) Sprinkler Piping, and (vi) Carbon dioxide system of fire-extinguishing.


(i) Fire-load and Fire density, (ii) Fire-resistance,

(iii) Limits of flammability, and (iv) Fire-extinguishing equipments.

Q.10 What are the ingredients of some commonly used points? Describe the methods of applyingthese points and the precautions to be taken.


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Q.8 (a) How would you differentiate the function of a valve from that of a gate? For dams andconduits what different types of gates are employed?

(b) Explain the construction and function of a Needle Valve and a Butterfly Valve.

Q.9 (a) What is a rammer compactor? How are manually operated rammer compactor used?What factors affect the output of compactors?

(b) Explain briefly the blasting operation. What do you understood by delayed fixing inblasting? What are the advantages of delayed firing?

Q.10 (a) What is preventive maintenance? How does breakdown maintenance different frompreventive maintenance?

(b) Explain routine maintenance and periodic maintenance?

assignments ivth year

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