Surge tanks are used_______________?

Byadmin January 19, 2019August 15, 2021

Surge tanks are used_______________?

A. for storage water
B. to increase the velocity in a pipeline
C. as overflow valves
D. to guard against water hammer

Water Supply Engineering

The expected discharge to be obtained from an open well sunk in coarse sand is 0.0059 cumec. If the working depression head of the well is 3 m, the minimum diameter of the well, is________________?

The expected discharge to be obtained from an open well sunk in coarse sand is 0.0059 cumec. If the working depression head of the well is 3 m, the minimum diameter of the well, is________________?

A. 2 m
B. 2.25 m
C. 2.50 m
D. 2.75 m
E. 3.00 m

Read More The expected discharge to be obtained from an open well sunk in coarse sand is 0.0059 cumec. If the working depression head of the well is 3 m, the minimum diameter of the well, is________________?
Water Supply Engineering

Acidity in water is caused due to_______________?

Acidity in water is caused due to_______________?

A. Mineral acids
B. Free CO2
C. Iron sulphate
D. Aluminium sulphate
E. All the above

Read More Acidity in water is caused due to_______________?
Water Supply Engineering

For determining the velocity of flow of underground water, the most commonly used non-empirical formula is________________?

For determining the velocity of flow of underground water, the most commonly used non-empirical formula is________________?

A. Darcy’s formula
B. Slichter’s formula
C. Hazen’s formula
D. Lacy’s formula

Read More For determining the velocity of flow of underground water, the most commonly used non-empirical formula is________________?
Water Supply Engineering

Disinfection of drinking water, is done to remove_________________?

Disinfection of drinking water, is done to remove_________________?

A. odour
B. bacterias
C. turbidity
D. colour

Read More Disinfection of drinking water, is done to remove_________________?
Water Supply Engineering

Average annual rainfall at any station is the average of annual rainfall over a period of________________?

Average annual rainfall at any station is the average of annual rainfall over a period of________________?

A. 7 years
B. 14 years
C. 21 years
D. 28 years
E. 35 years

Read More Average annual rainfall at any station is the average of annual rainfall over a period of________________?
Water Supply Engineering

The least thickness of class B cast iron (spun) pipe, is_________________?

The least thickness of class B cast iron (spun) pipe, is_________________?

A. 7.2 mm
B. 7.9 mm
C. 8.6 mm
D. 10 mm

Read More The least thickness of class B cast iron (spun) pipe, is_________________?

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