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The efficiency of the centrifugal pumps commonly...

The efficiency of the centrifugal pumps commonly used for lifting water from wells may be of the order of _____________

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asked Sep 16, 2023 in Irrigation Engineering by Carter (75.2k points)

The efficiency of the centrifugal pumps commonly used for lifting water from wells may be of the order of _____________

(a) 30%

(b) 65%

(c) 90%

(d) 95%

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Question is taken from Tube Well-1 in portion Ground Water for Irrigation through Wells and Tubewells of Irrigation Engineering

irrigation engineering
ground water for irrigation through wells and tubewells
tube well-1

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1 Answer

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answered Sep 25, 2023 by Greg (106k points)

The correct choice is (b) 65%

Best explanation: Jet pumps have low efficiency of the order of 35% as compared to 65-85% for other centrifugal pumps. It is not used for irrigation tube-wells.

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