Water Supply Engineering Online Test – Multiple Choice Questions and Answers

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

 
 
 
 

2. Mostly used coagulant, is

 
 
 
 

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

 
 
 
 

4. Sluice valves are fitted in a distribution system

 
 
 
 

5. Pick up the correct statement from the following :

 
 
 
 

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

 
 
 
 

7. The prescribed hardness limit of potable water ranges between

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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