In a De laval turbine, steam leaves nozzle with a velocity of 1300 m/s. The nozzle angle is 25 and the mean blade speed is 500 m/s. The inlet and outlet blade angles are equal. Find out work done per kg of steam if the blades of the turbine are frictionless.

In a De laval turbine, steam leaves nozzle with a velocity of 1300 m/s

1.	In a De laval turbine, steam leaves nozzle with a velocity of 1300 m/s. The nozzle angle is 25 and the mean blade speed is 500 m/s. The inlet and outlet blade angles are equal. Find out work done per kg of steam if the blades of the turbine are frictionless.
A.	678.205 kJ
B.	798.562 kJ
C.	365.458 kJ
D.	456.321 kJ
Answer» B. 798.562 kJ

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In a De laval turbine, steam leaves nozzle with a velocity of 1300 m/s. The nozzle angle is 25 and the mean blade speed is 500 m/s. The inlet and outlet blade angles are equal. Find out work done per kg of steam if the blades of the turbine are frictionless.

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