1.

In _________________ system the source of supply is lake or impounding reservoir at some elevation.(a) parallel(b) gravity distribution(c) pumps distribution(d) rain distributionI got this question during an interview.The origin of the question is Water Supply Works in section Road Estimating, Sanitary and Water Supply Work of Civil Engineering Drawing

Answer»

Correct choice is (b) gravity distribution

The best I can explain: This system is possible when the SOURCE of supply is lake or impounding RESERVOIR at some ELEVATION above the city so that sufficient PRESSURE can be MAINTAINED in the mains.



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