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Kiran Rapria • 4.26K Points
Extraordinary 

Q. The mechanical efficiency of an impulse turbine is ?

(A) ratio of the actual power produced by the turbine to the energy actually supplied by the turbine
(B) ratio of the actual work available at the turbine to the energy imparted to the wheel
(C) ratio of the work done on the wheel to the energy of the jet
(D) none of the above
Correct : Option (B)

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