As per IS : 1172-1963, water required per head per day for average domestic purposes, is_______________?
A. 50 litres
B. 65 litres
C. 85 litres
D. 105 litres
E. 135 litres
A. 50 litres
B. 65 litres
C. 85 litres
D. 105 litres
E. 135 litres
A. 1880 kilo litres
B. 2880 kilo litres
C. 3880 kilo litres
D. 4880 kilo litres
A. odour
B. colour
C. bacterias
D. hardness
E. turbidity
Aeration of water is done to remove______________? Read More »
Water Supply Engineering A. odour
B. bacterias
C. turbidity
D. colour
Disinfection of drinking water, is done to remove_________________? Read More »
Water Supply Engineering A. 2 m
B. 2.25 m
C. 2.50 m
D. 2.75 m
E. 3.00 m
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
Time of concentration________________? Read More »
Water Supply Engineering A. 60 mg/litre
B. 75 mg/litre
C. 100 gm/litre
D. 150 mg/litre
A. Mineral acids
B. Free CO2
C. Iron sulphate
D. Aluminium sulphate
E. All the above
Acidity in water is caused due to_______________? Read More »
Water Supply Engineering A. reducing the draw down and the pumg rate
B. reducing the flow velocity
C. using thicker pipes
D. using screens having larger area of openings
E. none of these
Corrosion of well pipes may not be reduced by_________________? Read More »
Water Supply Engineering A. 2 m
B. 3 m
C. 4 m
D. 5 m
E. 6 m
The maximum depth of sedimentation tanks is limited to________________? Read More »
Water Supply Engineering