General Studies · Hydraulic Turbines
In hydraulic turbine terminology, the speed ratio (or speed factor) is defined as the ratio of:
- 1Peripheral velocity of the runner vane to the theoretical spouting velocity of water✓
- 2Whirl velocity to the peripheral velocity of the runner
- 3Flow velocity to the spouting velocity
- 4Absolute velocity of water to its spouting velocity
Correct answer
Peripheral velocity of the runner vane to the theoretical spouting velocity of water
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