Question

The detention period of a lime soda treatment plant is ____________

(a) 1hour

(b) 3hours

(c) 2-4hours

(d) 4-7hours

I had been asked this question by my college director while I was bunking the class.

This question is from Lime Soda Process in division Water Softening of Environmental Engineering

Answer 1

The correct option is (c) 2-4hours

The explanation is: The detention period of a lime soda treatment plant is 2-4 hours to obtain greater clarification.