Disinfection of water results in______________?

Related Mcqs:

Alum as a coagulant is found to be most effective when pH range of water is______________?

A. 2 to 4 B. 4 to 6 C. 6 to 8 D. 8 to 10...

Which of the following unit works in anaerobic conditions ?

A. sludge digestion tank B. sedimentation tank C. activated sludge treatment D. trickling filters...

The detention period for oxidation ponds is usually kept as______________?

A. 4-8 hours B. 24 hours C. 10 to 15 days D. 3 months...

Which of the following chemical compounds can be used for dechlorination of water ?

A. carbon dioxide B. bleaching powder C. sulphur dioxide D. chloramines...

For a given discharge, the efficiency of sedimentation tank can be increased by______________?

A. increasing the depth of tank B. decreasing the depth of tank C. increasing the surface area of tank D. decreasing the surface area of tank...