# Civil Engineering - Water Supply Engineering

### Exercise :: Water Supply Engineering - Section 5

41.

The coefficient of permeability of soils, is generally expressed in

 A. cm/sec B. cm/minute C. cm2/sec D. cm2/minute.

Explanation:

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42.

Pick up the correct statement from the following :

 A. Head loss in smaller size pipes at equal velocities, is less B. Cost of pumping is less in smaller size pipes C. Cost of smaller pipes is comparatively more D. None of these.

Explanation:

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43.

Total flow in stream is known

 A. run off B. stream flow C. discharge D. all the above.

Explanation:

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44.

Disinfection of drinking water is done to remove

 A. turbidity B. odour C. colour D. bacterias E. all the above.

Explanation:

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45.

The ratio of total capacity and dead storage is kept

 A. 8 B. 6 C. 4 D. 3 E. 2