A. is the time taken, for precipitation
B. duration of rainfall.
C. time taken for all the ran off to reach the drain
D. time taken for the storm water to travel from the most remote point to the drain
0
The expected discharge to be obtained from an open well sunk in coarse sand is 0.0059 cumec. If the working depression head of the well is 3 m, the minimum diameter of the well, is________________?
0
Disinfection of drinking water, is done to remove_________________?
A. 2 m
B. 2.25 m
C. 2.50 m
D. 2.75 m
E. 3.00 m
0
Aeration of water is done to remove______________?
A. odour
B. bacterias
C. turbidity
D. colour
0
If four fires break out in a city of population 40 lakhs and if each hydrant has three streams and duration of each fire is four hours, the total quantity of water required, is______________________?
A. odour
B. colour
C. bacterias
D. hardness
E. turbidity
0
As per IS : 1172-1963, water required per head per day for average domestic purposes, is_______________?
A. 1880 kilo litres
B. 2880 kilo litres
C. 3880 kilo litres
D. 4880 kilo litres
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