Steam at a velocity of 10 m/s enters the impulse turbine stage with symmetrical blading having blade angle 30 . The enthalpy drop in the stage is 100 kJ. The nozzle angle is 20 . The maximum blade efficiency (in percent) is ____.

Steam at a velocity of 10 m/s enters the impulse turbine stage with sy

1.	Steam at a velocity of 10 m/s enters the impulse turbine stage with symmetrical blading having blade angle 30 . The enthalpy drop in the stage is 100 kJ. The nozzle angle is 20 . The maximum blade efficiency (in percent) is ____.
A.	88.3 %
B.	87.3 %
C.	88.5 %
D.	87.5 %
Answer» B. 87.3 %

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Steam at a velocity of 10 m/s enters the impulse turbine stage with symmetrical blading having blade angle 30 . The enthalpy drop in the stage is 100 kJ. The nozzle angle is 20 . The maximum blade efficiency (in percent) is ____.

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