Engineering Thermodynamics
The area under the temperature-entropy curve (T – s curve) of any thermodynamic process represents

Heat absorbed
None of the listed here
Heat rejected
Either heat absorbed or heat rejected

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Engineering Thermodynamics
Which is the incorrect statement about Carnot cycle?

It provides concept of maximising work output between the two temperature limits
All the heat engines are based on Carnot cycle
It is used as the alternate standard of comparison of all heat engines
All of these

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