Civil Engineering - UPSC Civil Service Exam Questions - Discussion

4. 

Which one of the following pairs is not correctly matched ?

[A]. Check valve - To check water flow in all directions
[B]. Sluice valve - To control flow of water through pipe lines
[C]. Air valve - To release the accumulated air
[D]. Scour valve - To remove silt in a pipe line

Answer: Option A

Explanation:

No answer description available for this question.

Mrinmoy Nath said: (Apr 7, 2017)  
Answer should be B Check valves provided to see the flow in one direction.

Chhaya said: (May 31, 2017)  
Option A Statement is incorrect.

Check Valve is Non-returning Valve ensure the flow in one direction.

Dolly said: (Jun 27, 2019)  
Yes, option A is correct.

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