Water Supply Engineering Online Test – Multiple Choice Questions and Answers

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

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

3. The prescribed hardness limit of potable water ranges between

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

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

6. Mostly used coagulant, is

7. Pick up the correct statement from the following :

8. Sluice valves are fitted in a distribution system

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

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