The R.L. of ground water table on the sides of a valley is 1505 m whereas R.L. of the stream water is 1475 m. If 60° slope consists of pervious soil between R.L. 1485 m to 1500 m, the gravity spring may be expected at the point of reduced level

Water Supply Engineering
The R.L. of ground water table on the sides of a valley is 1505 m whereas R.L. of the stream water is 1475 m. If 60° slope consists of pervious soil between R.L. 1485 m to 1500 m, the gravity spring may be expected at the point of reduced level

1475 m

1505 m

1485 m

1500 m

1475 m

1505 m

1485 m

1500 m

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Water Supply Engineering
In distribution pipes, drain valves are provided at

higher point

any where

junction points

lower point

higher point

any where

junction points

lower point

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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

500

400

450

600

500

400

450

600

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Water Supply Engineering
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

1880 kilo litres

2880 kilo litres

4880 kilo litres

3880 kilo litres

1880 kilo litres

2880 kilo litres

4880 kilo litres

3880 kilo litres

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Water Supply Engineering
Time of concentration

time taken for all the ran off to reach the drain

is the time taken, for precipitation

duration of rainfall.

time taken for the storm water to travel from the most remote point to the drain.

time taken for all the ran off to reach the drain

is the time taken, for precipitation

duration of rainfall.

time taken for the storm water to travel from the most remote point to the drain.

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Water Supply Engineering
Disinfection of drinking water, is done to remove

odour

colour

bacterias

turbidity

odour

colour

bacterias

turbidity

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Water Supply Engineering

Water Supply Engineering The R.L. of ground water table on the sides of a valley is 1505 m whereas R.L. of the stream water is 1475 m. If 60° slope consists of pervious soil between R.L. 1485 m to 1500 m, the gravity spring may be expected at the point of reduced level

Water Supply Engineering In distribution pipes, drain valves are provided at

Water Supply Engineering 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

Water Supply Engineering Time of concentration

Water Supply Engineering Disinfection of drinking water, is done to remove

Water Supply Engineering
The R.L. of ground water table on the sides of a valley is 1505 m whereas R.L. of the stream water is 1475 m. If 60° slope consists of pervious soil between R.L. 1485 m to 1500 m, the gravity spring may be expected at the point of reduced level

Water Supply Engineering
In distribution pipes, drain valves are provided at

Water Supply Engineering
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

Water Supply Engineering
Time of concentration

Water Supply Engineering
Disinfection of drinking water, is done to remove