How is it advantageous to expand steam at 250 deg C in a turbine as compared to expanding saturated steam in similar turbine?
A. Enhances the thermal efficiency of the cycle
B. Reduces the mechanical damage caused to turbine blades due to wet steam
C. Increases the mean temperature of heat addition
D. All of the mentioned
Answer:A
How is it advantageous to expand steam at 250 deg C in a turbine as compared to expanding saturated steam in similar turbine?
A. Enhances the thermal efficiency of the cycle B. Reduces the mechanical damage caused to turbine blades due to wet steam C. Increases the mean temperature of heat addition D. All of the mentioned
Explanation: Superheating steam makes expansion within turbine to take place in dry region to a greater extent.