6. Kaplan turbine of I m runner diameter working under a head of 50 m. If the whirl velocity at inlet = 19 m/s and runner speed 46.47 rad/s, the hydraulic efficiency of the turbine will be: a. 88% b. 90% c. 94% d. 97%

6. Kaplan turbine of I m runner diameter working under a head of 50 m. If the whirl velocity at inlet = 19 m/s and runner speed 46.47 rad/s, the hydraulic efficiency of the turbine will be: a. 88% b. 90% c. 94% d. 97%

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Question

6. Kaplan turbine of 1 m runner diameter working under a head of 50 m. If the
whirl velocity at inlet = 19 m/s and runner speed = 46.47 rad/s, the hydraulie
efficiency of the turbine will be:
a. 88%
b. 90%
c. 94%
d. 97%

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