Water Supply Engineering

A. nil
B. 5
C. 10
D. 15
E. 20

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

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

A. helps growth of bacterias
B. impedes growth of algae
C. increases dissolved oxygen content
D. reduces turbidity

A. 10 times
B. 15 times
C. 20 times
D. 30 times
E. 35 times

A. Kuichling’s formula
B. Freeman formula
C. Under Writers formula
D. Bustan’s formula
E. All the above.