Free Printable 15.10.2021

1.

a)

a

b)

b

c)

c

d)

d

2.

a)

a

b)

b

c)

c

d)

d

3.

a)

a

b)

b

c)

c

d)

d

4.

a)

a

b)

b

c)

c

d)

d

5.

a)

a

b)

b

c)

c

d)

d

6.

a)

a

b)

b

c)

c

d)

d

7.

a)

a

b)

b

c)

c

d)

d

8.

a)

a

b)

b

c)

c

d)

d

9.

The minimum cover in a slab should neither be less than the diameter of bar nor less than

a)

10 mm

b)

20 mm

c)

25 mm

d)

30mm

10.

The slab is designed as one way if the ratio of long span to short span is

a)

less than one

b)

Between 1 and 1.5

c)

Between 1.5 and 2

d)

Greater than 2

11.

a)

a

b)

b

c)

c

d)

d

12.

The suitable method for forcasting population for an old developed large city is

a)

Arithmetic mean method

b)

Geometric mean method

c)

Comparative graphical method

d)

None of these

13.

The design period for the design of water supply project is taken as

a)

Less than 10 years

b)

20- 30 years

c)

50 yr

d)

more than 50 yrs

14.

Factors affecting prediction of future population is

a)

Births

b)

Deaths

c)

Migration

d)

All of the above

15.

a)

a

b)

b

c)

c

d)

d

16.

The natural out flow of the subsurface water at the surface is termed as

a)

Lake

b)

Spring

c)

Infiltration gallery

d)

Tube well

17.

a)

a

b)

b

c)

c

d)

d

18.

Sedimentation may nat be required for water

a)

Shallow well

b)

Deep well

c)

River

d)

Canal

19.

a)

a

b)

b

c)

c

d)

d

20.

a)

a

b)

b

c)

c

d)

d

21.

The colour of water for domestic supplies on standard platinum cobalt scales, should not exceed

a)

0-5 ppm

b)

5-20 ppm

c)

10- 20 ppm

d)

20 - 50 ppm

22.

The most common causes of acidity in water

a)

Oxygen

b)

Hydrogen

c)

Nitrogen

d)

Carbon dioxide

23.

a)

a

b)

b

c)

c

d)

d

24.

a)

a

b)

b

c)

c

d)

d

25.

For public water supply, hard water is not used because

a)

It consumes more soap

b)

It is turbid

c)

It possesses bad taste and odour

d)

All of the above

26.

The sedimentation process in water treatment involves settling of impurities in a tank under the action of

a)

Sun rays

b)

Gravitational force

c)

Biological action

d)

Velocity of flow

27.

a)

a

b)

b

c)

c

d)

d

28.

a)

a

b)

b

c)

c

d)

d

29.

Rapid sand filters remove bacteria to as much as

a)

70 to 80%

b)

80 to 90%

c)

90 to 95%

d)

98 to 99%

30.

Aclarifloculator is a

a)

plain sedimented unit

b)

aeration unit

c)

coagulation -sedimentation unit

d)

none

31.

a)

a

b)

b

c)

c

d)

d

32.

a)

a

b)

b

c)

c

d)

d

33.

a)

a

b)

b

c)

c

d)

d

34.

a)

a

b)

b

c)

c

d)

d

35.

a)

a

b)

b

c)

c

d)

d

36.

a)

a

b)

b

c)

c

d)

d

37.

When a shaft is subjected to a twisting moment,

every cross section of the shaft will be under

a)

Tensile Stress

b)

Compressive Stress

c)

Shear Stress

d)

Bending Stress

38.

a)

a

b)

b

c)

c

d)

d

39.

a)

a

b)

b

c)

c

d)

d

40.

a)

a

b)

b

c)

c

d)

None of these

41.

result of a water sample analysis are as follows Na+ = 40 mg/l Mg2+ = 10mg/l Ca2+=55 mg/l K+ = 2mg/l. find the hardness of sample in mg/l of CaCO3

a)

169

b)

179

c)

189

d)

199

42.

iron and manganese can be removed from waters by

a)

boiling

b)

aeration followed by coagulation

c)

chlorination

d)

activated carbon addition

43.

bleaching powder is contain ---- % of chlorine

a)

15 - 30

b)

30 - 35

c)

40 -45

d)

50 - 55

44.

for a D hour UH its rain fall intensity in cm/hr

a)

D

b)

2D

c)

1/D

d)

2/D

45.

total runoff is also known as

a)

stream runoff

b)

direct runoff

c)

both a and b

d)

none of these

46.

a)

A

b)

B

c)

C

d)

D

47.

a)

A

b)

B

c)

C

d)

D

48.

a)

A

b)

B

c)

C

d)

D

49.

a)

a

b)

b

c)

c

d)

d

50.

a)

a

b)

b

c)

c

d)

d

51.

a)

a

b)

b

c)

c

d)

d

52.

by DAD analysis the maximum average depth over an area of 10^4 km^2 due to one day stormis found to be 47cm. for the same area maximum average depth for a three day storm can be expected to be

a)

< 47cm

b)

> 47cm

c)

equal to 47cm

d)

inadequate data

53.

meandering ratio is given by

a)

meandering length / meandering width

b)

meandering width / meandering length

c)

meandering length * meandering width

d)

none of these

54.

if the berm width is 0.5m width is known as

a)

counter berm

b)

retired embankment

c)

marginal embankment

d)

none of these

55.

a)

a

b)

b

c)

c

d)

d

56.

a)

a

b)

b

c)

c

d)

d

57.

a)

a

b)

b

c)

c

d)

d

58.

a)

a

b)

b

c)

c

d)

d

59.

a)

a

b)

b

c)

c

d)

d

60.

a)

a

b)

b

c)

c

d)

d

15.10.2021

Total questions: 60

Worksheet time: 30mins

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