QUESTION
Objective Question
Which one of the following pairs is INCORRECTLY matched?
Answer
( Option C)
Check valve - To check the water flow in pipes, in all direction.
Solution
· Check Valve or Reflux Valve or Non-Returning
· These possess some automatic device which allows the water to flow in one direction only.
· These are made of brass or gun metal.
· This valve is provided in the pipe line which draws water from the pump.
· When the pump is operated, the valve is opened, but when the pump is suddenly stopped the valve is automatically closed and the water is prevented from returning to the pump.
