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Steam Nozzles and Turbines
The impulse turbine rotor efficiency will have a maximum value of 0.5 cos2 α, where α is the nozzle exit flow angle, if the
blades are equiangular
blade velocity coefficient is unity
blades are equiangular and frictionless
blade solidity is 0.65
Correct Answer:
blades are equiangular and frictionless
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