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Mr. Dubey • 100.64K Points
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Q. have the highest vane angle at inlet (β1 value)?

  • (A) slow runner
  • (B) medium runner
  • (C) fast runner
  • (D) vane angle is defined only for kaplan turbines and not francis turbines
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Explanation by: Mr. Dubey
considering the velocity diagram of francis turbine at the inlet for a fast runner, vane angle is an obtuse angle. whereas, it is right angle for medium runner and an acute angle for a slow runner.

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