4-61.
Which of the following forces
causes the reaction turbine to
rotate?
1.
Reactive force produced on
the moving blades as the gas
increases in velocity
2.
Reactive force produced on
the moving blades as the gas
changes direction
3.
The impulse of the gas
impinging upon the moving
blades
4.
Each of the above
4-62.
The nozzles of a reaction turbine
are mounted between the blades.
1.
True
2.
False
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