📊 Fluid Mechanics and Hydraulic Machines
Q. Which of the following statements is a definition of the hydraulic efficiency of a turbine?
  • (A) The ratio of power available at the turbine shaft to that supplied to it by runner.
  • (B) The ratio of the power supplied by the runner to the power available at the shaft.
  • (C) The ratio of power utilized by runner to that supplied by the water at entry to the turbine.
  • (D) The ratio of power supplied by water at entry to the power utilized by runner.
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✅ Correct Answer: (C) The ratio of power utilized by runner to that supplied by the water at entry to the turbine.

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