Civil Engineering - Water Supply Engineering

1. 

Raw water treated with only chlorine, is known as

A. plain chlorination
B. pre-chlorination
C. first-chlorination
D. de-chlorination
E. none of these.

Answer: Option A

Explanation:

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2. 

The level of underground water is called

A. water level
B. water table
C. negative level
D. invert level.

Answer: Option B

Explanation:

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3. 

Per capita demand of water is calculated in litres

A. per person per day
B. per person per month
C. per person per year
D. none of these.

Answer: Option A

Explanation:

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4. 

P.V.C. pipes can withstand pressure bead of water upto

A. 25 m
B. 50 m
C. 75 m
D. 100 m
E. 125 m.

Answer: Option D

Explanation:

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5. 

The population of a city in 2000 is 50,000. The average increase in population over last 8 decades is 7500 and average incremental increase during 8 decades is 750. The population of the city based on incremental method, in the year 2020 will be

A. 55,000
B. 60,500
C. 66,500
D. 72,500
E. 76,500

Answer: Option C

Explanation:

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