Water Supply Engineering MCQ Questions & Answers

1

The fire demand of a city may be worked out by

A) Kuichling’s formula B) Freeman formula C) Bustan’s formula D) All the above

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Answer & Solution

Answer: Option D

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2

Mathamoglobinemia or blue baby disease is caused due to

A) Chlorides B) Nitrites C) Nitrates D) Sulphides

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Answer & Solution

Answer: Option C

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3

Acidity in water is caused due to

A) Mineral acids B) Free CO₂ C) Aluminium sulphate D) All the above

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Answer & Solution

Answer: Option D

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4

The specific retention is least in case of

A) Clay B) Sand C) Silt D) Coarse gravel.

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Answer & Solution

Answer: Option D

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5

Time of concentration

A) is the time taken, for precipitation B) duration of rainfall. C) time taken for all the ran off to reach the drain D) time taken for the storm water to travel from the most remote point to the drain.

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Answer & Solution

Answer: Option D

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6

The R.L. of ground water table on the sides of a valley is 1505 m whereas R.L. of the stream water is 1475 m. If 60° slope consists of pervious soil between R.L. 1485 m to 1500 m, the gravity spring may be expected at the point of reduced level

A) 1500 m B) 1505 m C) 1475 m D) 1485 m

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Answer & Solution

Answer: Option D

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7

Average annual rainfall at any station is the average of annual rainfall over a period of

A) 14 years B) 21 years C) 28 years D) 35 years

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Answer & Solution

Answer: Option D

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8

While determining the yield of open wells by the pumping test

A) Velocity of recharging water, increases with depression head B) Depression head resulting at critical velocity, is called critical depression head C) Working head is generally limited to ?rd of the critical depression head D) Maximum safe yield of an open well, is expected at critical depression head

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Answer & Solution

Answer: Option D

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9

According to IS : 1172-1963, a minimum of 135 litres of water capita per day, is required for

A) Boarding schools B) Nurses home and medical quarters C) hostels D) all the above

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Answer & Solution

Answer: Option D

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10

If four fires break out in a city of population 40 lakhs and if each hydrant has three streams and duration of each fire is four hours, the total quantity of water required, is

A) 1880 kilo litres B) 2880 kilo litres C) 3880 kilo litres D) 4880 kilo litres

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Answer & Solution

Answer: Option B

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Water Supply Engineering MCQ Questions & Answers | Civil Engineering