Water Supply Engineering Online Test – Multiple Choice Questions and Answers

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

 
 
 
 

2. Mostly used coagulant, is

 
 
 
 

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

 
 
 
 

4. The prescribed hardness limit of potable water ranges between

 
 
 
 

5. Sluice valves are fitted in a distribution system

 
 
 
 

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

 
 
 
 

7. Pick up the correct statement from the following :

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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