1.

For a Kaplan turbine, the whirl velocity at inlet of the turbine is given to be 18 m/s. The blade velocity is given as 25 m/s. What is the hydraulic efficiency for a head of 50 m. Take g = 10 m/s2?

A. 80%
B. 90%
C. 70%
D. 98%
Answer» C. 70%


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