engineering recuitment HPCL Junior Executive 2025 Mock Test Thermodynamics Availability and Irreversibility Available and Unavailable Energy
A reversible engine is operating with temperature limits of 800 K and 300 K. If it takes 560 kJ of heat, then unavailable work should be:
1
210 kJ
2
200 kJ
3
175 kJ
4
150 kJ