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BTS (C) - VI - 10 - 005 - H

B. Tech Degree VI Semester Examination, April 2010CE 601 A ENVIRONMENTAL ENGINEERING I(2006 Scheme)

Time: 3 Hoursaximum Marks: 100PART - A(Answer A LL questions) (8 x 5 = 40)I .a)xplain the factors affecting consumption of water.List out the standa rds of water required for dom estic use.Explain with neat sketches the difference between air relief valve and sluice valve.Write short note on the detection and prevention of wastage of water.Differentiate between separate system and combined system.Describe briefly the principles of house drainage .Explain the oxygen sag curve in stream pollution.(h)iscuss briefly disposal of refuse by com posting.PART - B (4 x 15 = 60)[I .iscuss different methods of forecast of population. Apply on appropriatemethod, give reasons and predict population of a town for the year 2011 from thefollowing census figures.Year 1941 1951 1961 1971

Population 11093 13751 15206 19723

ORExplain how knowledge of Bacteriology and Chemistry of water help in properanalysis of water.

(15)

(15)Sketch and describe briefly the various types of distribution systems. Write shortnote on the layout of distribution systems which are commonly used in India. (15)

ORExplain the various factors which affect the selection of type of pump. (5)Describe various types of centrifugal pumps. List out the advantages anddisadvantages of centrifugal pumps. (10)

VI. State what factors mainly affect the quantity of storm sewage. (5)Describe how quantity of storm sewage is determined by national method. (10)OR

VII . Discuss in detail the maintenance of sewers and cleaning of sewers. (15)Enumerate the various conditions which directly affect the self purification ofstreams. How the disposal of sewage is done by sea water. (15)

ORExplain the effects of air pollution on men , material and anim als. (15)***

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BT(C) VI 10 005 - IB . T ech Degree V I S em ester Ex am ination, A pril 2010

CE 601 (B) ENVIRONMENTAL ENGINEERING I(2006 Scheme)Time : 3 Hoursaximum Marks : 100PART A(Answer ALL questions) (8 x 5 = 40)Explain the scope of environmental engineering.What are the effects of variations in demand on the design capacities of differentcompone nts of a water supply scheme?Explain the theory of sedimen tation.How water can be aerated?W hat are the separate, combined and partially combined systems of sew erage?W hat are the general principles to be considered in house drainage?What is an oxidation pond? How is it different from an oxidation ditch?W hat are the characteristics of solid wastes?

P A R T B (4 x 15 = 60)(a )

(b )(a)(b )

(a)(b )

(a)(b )

(a )(b )

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The population of a city of 4 decades from 1960 onwards areYear1960 1970 1980 1990 2000Population 28,000 29,000 34,000 43,000 45,000Estimate the population in the year 2010 by geometrical increase method.With the help of a diagram explain about a centrifugal pump, its operation and priming.O REnum erate the different essential characteristics and limiting values of those contentsin drinking water as per B IS.Explain any three me thods of forecasting the future population of a town.Design a plain sedimentation tank to treat 5 million litres water per day. Take adetention period of 8 hours and assume a depth of 3.5m.Describe with the help of a nea t sketch, the componen t parts of a rapid sand gravityfilter. Explain its working, including the method of washing.

O RName three commonly used coagulants and write the chemical reactions associatedwith them.How is colour, odour and taste removed from wa ter?

Wha t are the sources of sanitary sewage?Calculate the diameter and discharge of a circular sewer laid at a slope of 1 in 400when it is running half full and with a velocity of I.9m/sec (n in Manning'sformula = 0.012)

ORExplain the rational method of design of storm water sewers. Explain clearly therelation between design rainfall intensity and the time of concentration.explain the appurtenances : leaping weir , street inlet and intercepting trap.

(8)(7 )

(8 )(7 )

(a ) hat is oxygen deficit? Explain oxygen sag curve? 8)(b ) xplain the basic operations involved in the activated sludge process, with the helpof a flow diagram. 7)OR

(a ) iscuss the salient features of the sanitary landfill method for solid w aste disposal. 7)(b ) rite short notes on :classification of air pollutantsnoise pollution. 4 x 2 = 8)

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BTS (C) VI 10 008 K

B . T ech Degree V I Sem ester Ex am ination, A pril 2010CE 604 A/B GEOTECHNICAL ENGINEERING H

(2006 Scheme)Time: 3 Hoursaximum Marks: 100P A R T A

(Answer A L L questions) (8 x 5 = 40)1 .a)ow w ill you fix the depth of boring in a site investigation process.Differentiate betwe en ultimate bearing capacity and allowable bea ring capacity.Explain the functions and requireme nts of a good foundation.Describe with sketches how the contact pressure vary under rigid and flexiblefoundations in different types of soil.Explain the term negative skin friction. Under what circumstances it can occur andhow it can be eliminated.With the help of sketches explain pneumatic caissons.Illustrate the ac tive, passive and at rest conditions of earth pre ssure in soil.(h)ifferentiate between cantilever sheet pile walls and anchored sheet pile walls.PART B (4 x 15 = 60)II.iscuss in detail the standard penetra tion test used in soil investigation.Discuss the corrections to be applied to the test results and how it can be usedfor assessing the bea ring capacity of soil.ORCalculate the safe bearing capacity of a square footing 1.3m x 1.3m, located at adepth of 0.75m below the ground level in a soil of average density 20 kN/m 3 , 0 =20,

N, = 17.7, N g = 7.4 and N, = 5. Assume a suitable factor of safety and that the watertable is very deep. Also compute the reduction in safe bearing capacity of the footingif the water table rises to the grou nd level.Describe the steps involved in the design of a trapezoidal combined footing.

O RV.clay layer 20m thick has a saturated unit height of 18 kN/m 3 . Ground water table isat a depth of 2m below the ground surface. It is proposed to construct an RCC foundation,Determine the settlement under its center. E for clay is 33 MN/m 2 obtained from triaxiallength 48m width 12m , on top of the layer, transmitting a uniform pressure of 180 kN/m2.test. Initial void ratio = 0.69. Change in void ratio = 0.02. Steinbrenner's coefficient isgiven as 1.92 and also take p =0.5.Describe the pile load tests to determine the pile capacity and also describe a method toseparate skin friction and the point resistance.

ORIn a 16 pile group, the pile diameter is 0.4m and the center to center spacing of piles inthe square group is 1.5m. If Cu = 60 kN/m 2 determine whether the failure would occuras a block failure or when the piles act individually neglect the bearing at the tip of thepile. Also determine the safe load that can be carried by this group.Derive the expression for obtaining the depth of embedment of a cantilever sheet pile incohesive soil, showing the pressure diagram used for it.

O RA retaining wall with a vertical back 5m high supports a cohesionless backfill of unitweight of 19 kN/m 3 . The upper surface of this backfill rises at an angle of 10 with thehorizontal from the crest of the wall. The angle of internal friction for the soil is 30 andthe angle of wall friction is 20. Determine the total active pressure per linear meter of the

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B T S (C ) V I 1 0 0 0 9 HB . Tech D egree V I Sem ester Ex am ination, A pril 2010

CE 605 (B) MIS AND FINANCE MANAGEMENT(2006 Scheme)Time : 3 H oursaximum Marks : 10 0P A R T A

(Answer La questions)(All questions carry EQUA L m arks) (8 x 5 = 40)I.a)riefly explain the salient features of LA N, MA N and WA N.Explain the concept of DBMS. What is RDBMS.What is MIS? What are its major features? Contrast MIS with DSS.Enum erate the selection considerations for file media.Distinguish between Equity share capital and preference share capitalMaster budget and flexible budget.What is working capital? Enumerate the major sources of working capital.

Explain the three basic types of accounts and the rules applicable for journalizing in eachcase What is a ledger?(h)Trial Balance will always balance". Comment. Is Trial Balance the same as Balance Sheet?P A R T B (4 x 15 = 60)I I .xplain the different Computer Generations.ORWhat are the major coding considerations? Enumerate the different types of codedstructures.What is information system life cycle? What are its phases? Explain.ORExplain the fde organization methods. What are the major file design considerations?Explain the major factors to be considered while making working capital decisions.

ORWhat is the significance of financial ratio analysis? Enumerate any three commonlyused ratios, clearly mentioning as to how these are used and for what purpose.VIII.repare Trading and Profit and Loss Account for the year ended 31 December 2009 and

also the Balance Sheet as on that date of MIs. Durga and Company from the followinginformation.

Particulars R s. Particulars R s.Stock as onJanuary I, 2009

1,000 Discount (Cr.) 40 0Bill Receivable 4,50 0 R eturns outw ards 50 0Purchases 39 ,0 0 0 Trade expenses 20 0Wages 2,80 0 Office fixtures 1,000Insurance 1,100 C ash in hand 50 0Sundry Debtors 30 ,000 C ash at bank 4,750Carriage Inward 80 0 Rent and Taxes 1,100Commission (Dr.) 80 0 Carriage outward 1,450Interest (D r) 70 0 Sales 50,000Stationery 45 0 Bills payable 3,000Returns Inwards 1,300 Creditors 19,650Capital 17,900

IX .The closing stock was valued at Rs.25 000.

ORExplain the major accounting statements? Explain the utility of accounting statements,

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1.43iNEE,ri//1 1G'

B T S ( C ) V I 1 0 0 0 9 G

B . T ech Degree V I S em ester Ex am inat ion, A pril 2010CE 605 (A) TRANSPORTATION ENGINEERING II( 2 00 6 S c h e m e )

Time : 3 Hoursaximum M arks : 10 0PART - A(Answer ALL questions) (8 x 5 = 40)I.a)efine a permanent way and which are the requirements of an ideal permanent way.Explain all the types of gradients giving their permissible values in India.Explain the principle of track circuiting.Write short notes on the size of tunnel.What are the detrimental forces acting on breakwaters?(0hat are the essential differences between a transit shed and a warehouse?Differentiate between the sliding caisson and ship caisson.What are the advantages of dipper dredger?P A R T B (4x 15 = 60)II .a)xplain clearly why coning of w heels and tilting of rails is done in railways.8)(b)etermine the length of transition curve for a B .G curved track having 3.G iven that the design speed of the train on curve is 90 Kmph.7)

ORIII .a)efine creep and what are the possible causes of creep.6)Which are the functions of sleepers? (any three)3)A 5 curve diverges from a 3 main curve in reverse direction in the layout of a B.Gyard. If the speed on the branch line is restricted to 35 Kmph, determine the restrictedspeed on the main line.6)With the aid of neat sketches, explain the functioning and types o f marshalling yards.1 0 )Draw a neat diagram of a turnout and show its various component parts.5)ORExplain the control of train movement by automatic block system.7)Explain the Needle beam Method of tunneling with the help of sketches.8)Explain in detail the classification of h arbours.1 0 )Write short notes on light houses.5)ORExplain in detail the method of mound construction. (any two methods)1 0 )Distinguish between wharf and jetty.5)Explain the construction of dry docks.7)Explain in detail the slipways.8)

ORWrite notes on dredging. 5)Explain with the help of a sketch the hydraulic dredger. 1 0 )

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Radius of wellI5cmDraw down 2mEffective length of strainer under above draw dow n = 11 mCoefficient of perm eability of aquifer 0.055Radius of Zero draw down = 330m. (Turn over)

BTS(C) VI-10 10 A

B . T ech Degree V I Sem es te r Ex am inat ion , A pril 2010CE 606 AB WATER RESOURCES AND IRRIGATION ENGINEERING( 2 0 0 6 S c h e m e )

Tim e : 3 Hoursaxim um Marks : 100PART A(Answer A L L questions)

(8 x 5 = 40)I..xplain any one type of autom atic rain gauge.What is a S-hydrograph? How would you derive it?Write short notes on (i) Well loss (ii) Specific capacity of a well.What do you understand by well shrouding ?What are the factors on which the selection of the site of a reservoir depend?

Write a note on reservoir sedimentation.Enum erate the causes of failure of an earthen darn.h.iscuss in brief various m odes of failure of a gravity dam .PART B (4 x 15 = 60)II .hat is evaporation? What are the factors affecting evaporation? Explain any onemethod to measure evaporation. ORFind out the ordinates of a storm hydrograph resulting from a 3-hour storm with

rainfall of 3, 4.5 and 1.5cm during subsequent 3 hours intervals. The ordinates ofunit hydrograph are given in the table below:

Hours 0 03 06 09 12 15 18 21 2 4 03 06 09 12

Ordinatesof unitshydrograph(cum ecs)0 90 2 00 350 450 350 2 60 1 90 1 30 80 45 2 0 0

Assume an initial loss of 5mm, mfiltration index of 5mm/hour and base flow of20 cum ecs.a.escribe with neat sketches different types of tube wells.b.erive the expression for discharge from a well fully penetrating a confined aquifer.ORa.hat are the factors which depend the selection of site of a reservoir?b.tube well is fully in unconfined aquifer. With the data given below, calculate the dischargefrom tube well.

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2

a.raw neat sketches and explain the various com ponents of head works.b.tate and explain Bligh's Creep theory.ORa.hat are the advantages of lining a canal? What are the various methods of lining a canal?b.sing Lacey's theory, design an irrigation canal for following data:Discharge Q0 cum ecsSilt factorfSide slopes/2 : 1a.xplain the various forces acting on gravity dam .b.xplain the m ethod of checking the stability of earth dam foundation against shear failure.ORa.hat are the different types of earthen dam s? Explain.b.eterm ine the critical height of a low gravity dam of concrete, taking the specific gravityof concrete as 2.4 and allowable com pressive stress as 3400kN/m 2.

***

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