Question

In which form of chlorination, chlorine applies to raw water supply as it enters the distribution system?

(a) Plain chlorination

(b) Pre chlorination

(c) Super chlorination

(d) Double chlorination

This question was addressed to me during an interview.

My doubt stems from Forms of Chlorination topic in division Properties of Disinfection of Environmental Engineering

Answer 1

Correct choice is (a) Plain chlorination

For explanation I would say: In plain chlorination, chlorine applies to raw water supply as it enters the distribution system. It checks the growth of organic matter, algae and remove taste and odor from water.