In what class of turbine uses the motive fluid to move a rotor?
A. Impulse turbines
B. Reactive turbines
C. Momentum turbines
D. Pressure turbines
A. Correct. In an impulse turbine, the motive fluid is focused on a few of the turbine blades.
B. Incorrect. In a reactive turbine, the motive fluid flows on all the turbine blades.
C. Incorrect. Momentum turbines are not a class of turbines.
D. Incorrect. Pressure turbines are not a class of turbines.
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