Foot valves are provided in the suction line of a centrifugal pump to ____________________?
Correct answer: A. Avoid priming, every time we start the pump
- A. Avoid priming, every time we start the pump
- B. Remove the contaminant present in the liquid
- C. Minimise the fluctuation in discharge
- D. Control the liquid discharge
Explanation
A foot valve is a non-return valve at the suction-pipe end that retains liquid when the pump stops. This keeps the suction line primed and prevents priming again at every start.
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