If the average daily demand of a city of 50, 000 population, is 20 m.l.d., the m

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Question
If the average daily demand of a city of 50, 000 population, is 20 m.l.d., the maximum daily demand is
Options
A. 24 mld
B. 30 mld
C. 36 mld
D. 54 mld.

Correct Answer

36 mld

Water Supply Engineering problems

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1. A strainer type well sunk through three pervious layers intervened by three impervious aquicludes, draws water from
Options
A. top most pervious layer
B. central pervious layer
C. lowest pervious layer
D. all the pervious layers.

2. Water to the consumers may be supplied from
Options
A. infiltration galleries connected to sump well
B. infiltration well dug out on the banks of rivers
C. ranney wells sunk to the water level
D. all the above.

3. Perched acquifers are generally found
Options
A. on the surface of the ground
B. below the surface of the ground but above water table
C. below the water table
D. all the above.

6. Steel pipe are
Options
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.

10. Yield of a drainage basin is :
Options
A. run off of the area expressed as instantaneous rate
B. average run off over a short period
C. total volume of water flowing annually
D. all the above.

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