Water Supply Engineering Online Test – Multiple Choice Questions and Answers

1. Mostly used coagulant, is

2. The best process of disinfection of public water supply, is by

3. One degree of hardness of water means a content of salts of

4. Pick up the correct statement from the following :

5. Sluice valves are fitted in a distribution system

6. The detention period for plain sedimentation water tanks, is usually

7. The cast iron pipes for water supply system are used for

8. Rapid gravity filter can only remove turbidity of water upto

9. A water channel supported above the ground over trestles, is generally called

10. The prescribed hardness limit of potable water ranges between