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Mechanical Engineering · Q257

Steam Boilers, Engines, Nozzles And Turbines

Engineering and GATE · Mechanical Engineering · question 257

Q257

The efficiency of reaction turbine is maximum when (where α = Angle made by the absolute velocity 'V' at inlet)

A.
Vb = 0.5Vcosα
B.
Vb = Vcosα
Answer
C.
Vb = 0.5V2cosα
D.
Vb = V2cosα

Answer: Option B

Solution

Answer: Option B
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