Cusat 6th Sem Ce Question Paper

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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: 100

PART - 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 appropriate

method, give reasons and predict population of a town for the year 2011 from the

following census figures.

Year 1941 1951 1961 1971

Population 11093 13751 15206 19723

OR

Explain how knowledge of Bacteriology and Chemistry of water help in proper

analysis 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)

OR

Explain the various factors which affect the selection of type of pump. (5)

Describe various types of centrifugal pumps. List out the advantages and

disadvantages 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 of

streams. How the disposal of sewage is done by sea water. (15)

OR

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

***



BT(C) — VI — 10 — 005 - I

B . 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 : 100

PART — A

(AnswerALL

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 )

(a )

(b )

The population of a city of 4 decades from 1960 onwards are

Year1960 1970 1980 1990 2000

Population 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 R

Enum erate the different essential characteristics and limiting values of those contents

in 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 a

detention 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 gravity

filter. Explain its working, including the method of washing.

O R

Name three commonly used coagulants and write the chemical reactions associated

with 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's

formula = 0.012)OR

Explain the rational method of design of storm water sewers. Explain clearly the

relation 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 help

of 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 pollutants

noise pollution. 4 x 2 = 8)













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: 100

P 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 flexible

foundations in different types of soil.Explain the term negative skin friction. Under what circumstances it can occur and

how 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 used

for assessing the bea ring capacity of soil.OR

Calculate the safe bearing capacity of a square footing 1.3m x 1.3m, located at a

depth 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 water

table is very deep. Also compute the reduction in safe bearing capacity of the footing

if the water table rises to the grou nd level.

Describe the steps involved in the design of a trapezoidal combined footing.

O R

V.clay layer 20m thick has a saturated unit height of 18 kN/m 3 . Ground water table is

at 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 triaxial

length 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 to

separate skin friction and the point resistance.

OR

In a 16 pile group, the pile diameter is 0.4m and the center to center spacing of piles in

the square group is 1.5m. If Cu = 60 kN/m 2 determine whether the failure would occur

as a block failure or when the piles act individually neglect the bearing at the tip of the

pile. 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 R

A retaining wall with a vertical back 5m high supports a cohesionless backfill of unit

weight of 19 kN/m 3 . The upper surface of this backfill rises at an angle of 10° with the

horizontal from the crest of the wall. The angle of internal friction for the soil is 30° and

the angle of wall friction is 20°. Determine the total active pressure per linear meter of the





B T S (C ) — V I — 1 0 — 0 0 9 — H

B . 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 0

P 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 capital

Master 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.

OR

What are the major coding considerations? Enumerate the different types of coded

structures.

What is information system life cycle? What are its phases? Explain.OR

Explain the fde organization methods. What are the major file design considerations?

Explain the major factors to be considered while making working capital decisions.

OR

What is the significance of financial ratio analysis? Enumerate any three commonly

used 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 following

information.

Particulars R s. Particulars R s.

Stock as on

January I, 2009

1,000 Discount (Cr.) 40 0

Bill Receivable 4,50 0 R eturns outw ards 50 0

Purchases 39 ,0 0 0 Trade expenses 20 0

Wages 2,80 0 Office fixtures 1,000

Insurance 1,100 C ash in hand 50 0

Sundry Debtors 30 ,000 C ash at bank 4,750

Carriage Inward 80 0 Rent and Taxes 1,100

Commission (Dr.) 80 0 Carriage outward 1,450Interest (D r) 70 0 Sales 50,000

Stationery 45 0 Bills payable 3,000

Returns Inwards 1,300 Creditors 19,650

Capital 17,900

IX .

The closing stock was valued at Rs.25 000.

OR

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



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 2010

CE 605 (A) TRANSPORTATION ENGINEERING II( 2 00 6 S c h e m e )

Time : 3 Hoursaximum M arks : 10 0

PART - 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)

OR

III .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.G

yard. If the speed on the branch line is restricted to 35 Kmph, determine the restricted

speed 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)OR

Explain 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)OR

Explain 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 )









Radius of wellI5cm

Draw down 2mEffective length of strainer under above draw dow n = 11 m

Coefficient of perm eability of aquifer 0.055

Radius 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 2010

CE 606 AB WATER RESOURCES AND IRRIGATION ENGINEERING

( 2 0 0 6 S c h e m e )

Tim e : 3 Hoursaxim um Marks : 100

PART 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 one

method to measure evaporation.

OR

Find 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

Ordinates

of units

hydrograph(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 of

20 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.

OR

a.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 discharge

from tube well.



2

a.raw neat sketches and explain the various com ponents of head works.b.tate and explain Bligh's Creep theory.

OR

a.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 : 1

a.xplain the various forces acting on gravity dam .b.xplain the m ethod of checking the stability of earth dam foundation against shear failure.

OR

a.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 gravity

of concrete as 2.4 and allowable com pressive stress as 3400kN/m 2.

***





Cusat 6th Sem Ce Question Paper

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Cusat 6th Sem Ce Question Paper