engineering recuitment GATE ME 2023-24 Test Series Thermodynamics First Law of Thermodynamics Application of First Law to Closed System
One mole of a monoatomic gas is taken through a cycle ABCDA as shown in the P-V diagram. Column II give the characteristics involved in the cycle. Match the process A → B with the processes given in Column I.
| Column - I | Column - II | ||
| a |
Process A → B |
p | Internal energy decreases |
| b |
Process B → C |
q | Internal energy increases. |
| c |
Process C → D |
r | Heat is lost |
| d |
Process D → A |
s | Heat is gained |
| t | Work is done on the gas | ||
Process A → B signifies
1
p, q
2
r, s
3
p, r, t
4
q, t