Estimates of a water supply project depends upon the rate of water supply per capita consumption and probable population estimated at the end of the design period of
Options
A. 5 to 10 years
B. 10 to 15 years
C. 15 to 20 years
D. 20 to 30 years
E. 25 years.
Correct Answer
20 to 30 years
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Correct Answer: bears a constant ratio to their velocity of approach
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