Which of the following processes are thermodynamically reversible___________________?

A. carnot cycle can’t work with saturated steam
B. heat is supplied to water at temperature below the maximum temperature of the cycle
C. a rankine cycle receives heat at two places
D. rankine cycle is hypothetical
E. none of the above

A. internal energy
B. entropy
C. thermal capacity
D. enthalpy
E. thermal conductance

A. heat
B. work
C. kinetic energy
D. vdp
E. thermal conductivity

A. 54°C
B. 327°C
C. 108°C
D. 654°C
E. 600°C

A. kilogram
B. gram
C. tonne
D. quintal
E. newton

A. increases
B. decreases
C. remains constant
D. first increases and then decreases
E. first decreases and then increases