Water Supply Engineering Online Test – Multiple Choice Questions and Answers

1. Mostly used coagulant, is

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

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

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

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

6. The prescribed hardness limit of potable water ranges between

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

8. Sluice valves are fitted in a distribution system

9. Pick up the correct statement from the following :

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