Which combination of the following statements is correct?The incorporation of reheater in a steam power plant:P: always increases the thermal efficiency of the plant.Q: always increases the dryness fraction of steam at condenser inlet.R: always increases the mean temperature of heat addition.S: always increases the specific work output.

Which combination of the following statements is correct?The incorpora

1.	Which combination of the following statements is correct?The incorporation of reheater in a steam power plant:P: always increases the thermal efficiency of the plant.Q: always increases the dryness fraction of steam at condenser inlet.R: always increases the mean temperature of heat addition.S: always increases the specific work output.
A.	P and S
B.	Q and S
C.	P, R and S
D.	P, Q, R and S
Answer» C. P, R and S