Water Supply Engineering Online Test – Multiple Choice Questions and Answers

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. The prescribed hardness limit of potable water ranges between

 
 
 
 

6. Mostly used coagulant, is

 
 
 
 

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

 
 
 
 

8. Pick up the correct statement from the following :

 
 
 
 

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

 
 
 
 

10. Sluice valves are fitted in a distribution system

 
 
 
 

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