Water Supply Engineering
According to IS : 1172-1963, a minimum of 135 litres of water capita per day, is required for

hostels
Boarding schools
Nurses home and medical quarters
All listed here

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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

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