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A motor pump of power 4 H.P is discharging water with a velocity of _{$5 m s^{- 1}$} . In order to discharge water with a velocity of _{$15 m s^{- 1}$} , the power of the motor should be

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detailed solution

Correct option is B

P∝V3 P1P2=V13V23⇒4P2=(515)3=127 P2=27×4=108 H.P.

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A motor pump of power 4 H.P is discharging water with a velocity of 5 ms−1 . In order to discharge water with a velocity of 15 ms−1 , the power of the motor should be

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A motor pump of power 4 H.P is discharging water with a velocity of _{$5 m s^{- 1}$} . In order to discharge water with a velocity of _{$15 m s^{- 1}$} , the power of the motor should be