Steam is issued from the nozzles at 600 m/s in a simple impulse turbine. The nozzle angle is 25 and the mean blade velocity is 350 m/s. The blade velocity coefficient is 0.88. Determine the blade speed ratio.

Steam is issued from the nozzles at 600 m/s in a simple impulse turbin

1.	Steam is issued from the nozzles at 600 m/s in a simple impulse turbine. The nozzle angle is 25 and the mean blade velocity is 350 m/s. The blade velocity coefficient is 0.88. Determine the blade speed ratio.
A.	0.325
B.	0.583
C.	0.654
D.	0.785
Answer» C. 0.654

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Steam is issued from the nozzles at 600 m/s in a simple impulse turbine. The nozzle angle is 25 and the mean blade velocity is 350 m/s. The blade velocity coefficient is 0.88. Determine the blade speed ratio.

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