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Water Supply Engineering

Water Supply Engineering
Pick up the incorrect statement from the following. The underground sources of water, is from

wells
infiltration wells
springs
storage reservoirs

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Water Supply Engineering
Aeration of water is done to remove

bacterias
odour
hardness
colour

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

Boarding schools
All listed here
Nurses home and medical quarters
hostels

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Water Supply Engineering
To pump water from a water reservoir 3 m deep and maximum water level at 135 m, a pump is installed to lift water up to R.L. 175 m at a constant rate of 36,00,000 litres per hour. If the length of the pipe is 1506 m and f = 0.01, ignoring other minor losses and assuming the economical diameter from Lea's formula D = 1.2 √Q, the water horse power of the pump is

600
500
450
400

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Water Supply Engineering
To pump water from a water reservoir 3 m deep and maximum water level at 135 m, a pump is installed to lift water up to R.L. 175 m at a constant rate of 36,00,000 litres per hour. If the length of the pipe is 1506 m and f = 0.01, ignoring other minor losses and assuming the economical diameter from Lea's formula D = 1.2 √Q, the water horse power of the pump is

600
400
450
500

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Water Supply Engineering
For determining the velocity of flow of underground water, the most commonly used non-empirical formula is

Darcy’s formula
Lacy’s formula
Hazen’s formula
Slichter’s formula

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