A pump operating under specific conditions delivers insufficient quantity of liquid. This may be set right by________________?
Correct answer: D. Both B. and C.
- A. Decreasing the size of the inlet pipe
- B. Increasing the size of the inlet pipe
- C. Lowering the pump position
- D. Both B. and C.
Explanation
Increasing the inlet-pipe size reduces suction-side friction loss, while lowering the pump improves the available suction head and reduces the lifting requirement. Both changes can increase the delivered liquid quantity.
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