The impulse turbine rotor efficiency will have a maximum value of 0.5 – McqOptions

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1.	The impulse turbine rotor efficiency will have a maximum value of 0.5 cos 2≈í¬±, where ≈í¬± is the nozzle exit flow angle, if the?
A.	Blades are equiangular
B.	Blade velocity coefficient is unity
C.	Blades are equiangular and frictionless
D.	Blade solidity is 0.65
Answer» D. Blade solidity is 0.65

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