KERALA UNIVERSITY Class 5 environmental engineering 1 Question Paper 2021

Practice authentic previous year questions for better exam preparation.

Sample Questions

(a) A circular sedimentation tank fitted with standard mechanical sludge removal equipment is to handle 3.5 million litres per day of raw water. What is the diameter of the tank if the detention time is 5 hrs and the depth of the tank is 3 m .
(a) Explain in detail the mechanisms of filtration.
(b) What are the operational problems encountered in rapid sand gravity filters. How are they avoided? OR
(a) What is aeration of water? Discuss in detail the different methods of aeration of water.
(b) Discuss the various forms in which chlorine can be applied to water as a disinfectant.