Water Supply Engineering The yield of a rapid gravity filter as compared to that of slow sand filter, is 20 times 10 times 15 times 30 times 20 times 10 times 15 times 30 times ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering Corrosion of well pipes may not be reduced by reducing the flow velocity reducing the draw down and the pumping rate using thicker pipes using screens having larger area of openings reducing the flow velocity reducing the draw down and the pumping rate using thicker pipes using screens having larger area of openings ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering The least thickness of class B cast iron (spun) pipe, is 7.9 mm 10 mm 8.6 mm 7.2 mm 7.9 mm 10 mm 8.6 mm 7.2 mm ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering In centrifugal pump installation, The motor may burn out if it is started with empty delivery pipe and with open gate valve All listed here The diameter of the pipe at inlet as well as at outlet, is kept smaller than the delivery pipe Pump is properly primed before starting The motor may burn out if it is started with empty delivery pipe and with open gate valve All listed here The diameter of the pipe at inlet as well as at outlet, is kept smaller than the delivery pipe Pump is properly primed before starting ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering In slow sland filters, the turbidity of raw water can be removed only up to 60 mg/litre 100 gm/litre 150 mg/litre 75 mg/litre 60 mg/litre 100 gm/litre 150 mg/litre 75 mg/litre ANSWER DOWNLOAD EXAMIANS APP
Water Supply Engineering In pressure supply mains, water hammer pressure is reduced by providing Air valves Pressure relief valves Sluice valves None of these Air valves Pressure relief valves Sluice valves None of these ANSWER DOWNLOAD EXAMIANS APP
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