Water Supply Engineering Online Test – Multiple Choice Questions and Answers

1. The prescribed hardness limit of potable water ranges between

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

3. Sluice valves are fitted in a distribution system

4. Mostly used coagulant, is

5. Pick up the correct statement from the following :

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

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

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

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

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