Disinfection of drinking water, is done to remove_________________?

Related Mcqs:

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...

The maximum depth of sedimentation tanks is limited to________________?

A. 2 m B. 3 m C. 4 m D. 5 m E. 6 m...

In slow sland filters, the turbidity of raw water can be removed only up to_________________?

A. 60 mg/litre B. 75 mg/litre C. 100 gm/litre D. 150 mg/litre...

Sunlight_________________ ?

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

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...