Select the correct set of `"statement"//s` :
(P) Work done by the surroundings in case of infinite stage expansion is more than single stage expansion.
(Q) Irreversible work is always greater than reversible work.
(R ) In an ideal gas in case of single stage expansion and compression, system as well as surroundings are restored back to their orginal states.
(S) If gas in thermodynamics is equilibrium is taken from state A to state B, by four successive single stage expansion. Then we can plot four points on the `P-V` indicator diagram.
A. Only Q
B. P,Q,R,S
C. Q,S
D. P,Q,S
