engineering recuitment ONGC AEE Mechanical Mock Test 2025 Thermodynamics Availability and Irreversibility Available and Unavailable Energy
150 kJ of heat is transferred from a heat source of 527°C to a heat sink at 127°C. If the ambient temperature is 47°C, the loss of available energy during the process will be
1
70 kJ
2
50 kJ
3
40 kJ
4
90 kJ
5
60 kJ