Select the correct set of statements
(a) work done by the surroundings in case of infinite stage expansion is more than single stage expansion
(b)Irreversible work is always greater than the reversible work
(c) on a ideal gas in case of single stage expansion and compression system as well as surroundings are restores back to its original states
(d) if gas is in thermodynamic equlibrium is taken from state A to B by four successive single stage explansion, then we plot 4 points on the P-V indicator diagram.
A) a
B) a,b,c,d
C) b
D) a,b,d