Q.

The whirl velocity at inlet of a Kaplan turbine is 7.5 m/s and blade velocity is 5 m/s. The volume flow rate of water in 20 m3/s. Find the power output available at the shaft if the mechanical efficiency is 93% (in MW)?

A. 0.831
B. 0.697
C. 1.362
D. 0.298
Answer» B. 0.697
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