Civil Engineering > GATE 2023 SET-1 > Impulse Turbines
A jet of water having a velocity of 20 m/s strikes a series of plates fixed radially on a wheel revolving in the same direction as the jet at 15 m/s. What is the percentage efficiency of the plates? (round off to one decimal place)
(A) 37.5
(B) 66.7
(C) 50.0
(D) 88.9
(A) 37.5
(B) 66.7
(C) 50.0
(D) 88.9
Correct : a
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