Water Supply Engineering Online Test – Multiple Choice Questions and Answers

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

 
 
 
 

2. Pick up the correct statement from the following :

 
 
 
 

3. The prescribed hardness limit of potable water ranges between

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Sluice valves are fitted in a distribution system

 
 
 
 

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

 
 
 
 

8. Mostly used coagulant, is

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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