| I. Work done by the surrounding in case of infinite stage expansion is more than single stage expansion |
| II. Irreversible work is always greater than reversible work (with sign) |
| III. On an ideal gas in case of single stage expansion and compression system as well as surrounding are restored back to their original states |
| IV. If gas is in thermodynamic equilibrium the expansion is taken from state A to state B, by four successive single stage expansions. Then we can plot 4 points on the P-V indicator diagram. |
A) II
B) I, II, III, IV
C) II, IV
D) I, II, IV
Correct Answer: A
Solution :
| [a] I. Work done by the system in case of infinite stage expansion is more than single stage expansion. |
| III. Single stage process is an irreversible process. |
| IV. We have 5 points on PV diagram. |
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