Which combination of the following statements is correct?
The incorporation of re-heater in a steam power plant
A: Always increases the thermal efficiency of the plant
B: Always increases the dryness fraction of steam at condenser inlet
C: Always increases the main temperature of heat addition
D: Always increases the specific work output

A

A and D only

B

B and D only

C

A, C and D only

D

A, B, C and D