Water Supply Engineering Online Test – Multiple Choice Questions and Answers

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

2. Pick up the correct statement from the following :

3. The prescribed hardness limit of potable water ranges between

4. Mostly used coagulant, is

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

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

7. Sluice valves are fitted in a distribution system

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

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

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