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UPSC Civil Service Exam Questions - Engineering

Q1:

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

ANS:A - Check valve - To check water flow in all directions

Option A Statement is incorrect.

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