Civil Engineering - Water Supply Engineering

46. 

The chlorine supply cylinders are generally kept at 38°C to 40°C to prevent

A. conversion into crystals
B. it from burning
C. it from explosion
D. none of these.

Answer: Option A

Explanation:

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47. 

The capability of a soil mass of full width and depth to transmit water, is known

A. porosity
B. permeability
C. transmissibility
D. none of these.

Answer: Option B

Explanation:

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48. 

Well treated water is generally supplied for

A. domestic use
B. commercial use
C. public use
D. waste water
E. all the above.

Answer: Option E

Explanation:

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49. 

Non-pathogenic bacterias cause the following water borne disease,

A. cholera
B. typhoid
C. infections hepatitis
D. none of these.

Answer: Option D

Explanation:

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50. 

Steel pipe are

A. suitable for withstanding high internal pressure
B. connected by riveted or welded joints
C. generally laid under ground and no expansion joint is required
D. likely to last 100 years under ordinary conditions
E. None of these.

Answer: Option D

Explanation:

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