Water Supply Engineering Online Test – Multiple Choice Questions and Answers

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

 
 
 
 

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

 
 
 
 

3. The prescribed hardness limit of potable water ranges between

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

7. Mostly used coagulant, is

 
 
 
 

8. Pick up the correct statement from the following :

 
 
 
 

9. Sluice valves are fitted in a distribution system

 
 
 
 

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

 
 
 
 

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