The effect of blade friction in a steam turbine is to | Free mechanical Reasoning Test
A. reheat the gas
B. increase the specific output
C. reduce the exhaust pressure
D. reduce work done
Answer:D
The effect of blade friction in a steam turbine is to | Free mechanical Reasoning Test
A. reheat the gas B. increase the specific output C. reduce the exhaust pressure D. reduce work done
Explanation: Some resistance is always offered by the blade surface to the idling steam jet, whose effect is to reduce the velocity of the jet. The effect of blade friction in a steam turbine is to reduce the work done.