Aeration of water is done to remove______________?

Related Mcqs:

Time of concentration________________?

A. is the time taken, for precipitation B. duration of rainfall. C. time taken for all the ran off to reach the drain D. time taken for the storm water to travel from the most remote point to the drain...

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...