Civil Engineering - Water Supply Engineering

46. 

Pick up the incorrect statement from the following. The source of surface water is from

A. streams and rivers
B. storage reservoirs
C. springs
D. ponds and lakes
E. none of these.

Answer: Option C

Explanation:

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47. 

For the prediction of future population of a city, the factor to be considered, is

A. births
B. deaths
C. migrants
D. all the above.

Answer: Option D

Explanation:

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48. 

Pick up the correct statement from the following :

A. Large solids carried along the river bed, is known as bed load
B. The bigger suspended particles get deposited in the head reaches of the reservoir
C. The fine sediment deposits are generally near the face of the dam
D. Deposition of sediment in the reservoir, reduces the capacity of the reservoir
E. All the above.

Answer: Option E

Explanation:

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49. 

Pick up the incorrect statement from the following :

A. The flow in strainer type wells is radial
B. The flow in cavity type wells in spherical
C. In strainer type wells, area of flow depends upon the length of the strainer pipe
D. In cavity type wells, area of flow depends upon the size of the cavity
E. None of these.

Answer: Option C

Explanation:

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50. 

Water may not contain much impurities if its source is

A. reservoirs
B. stream flowing in plains
C. lakes in lower regions
D. spring along hill slopes
E. none of these.

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

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