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. Sluice valves are fitted in a distribution system

 
 
 
 

4. Pick up the correct statement from the following :

 
 
 
 

5. The prescribed hardness limit of potable water ranges between

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Mostly used coagulant, is

 
 
 
 

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