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Mechanical Engineering · Q272

Steam Boilers, Engines, Nozzles And Turbines

Engineering and GATE · Mechanical Engineering · question 272

Q272

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

A.
Blades are equiangular
B.
Blade velocity coefficient is unity
C.
Blades are equiangular and frictionless
Answer
D.
Blade solidity is 0.65

Answer: Option C

Solution

Answer: Option C
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