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

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

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Engineering Thermodynamics
Which is the incorrect statement about Carnot cycle?

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

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Engineering Thermodynamics
The mass of flue gas per kg of fuel is the ratio of the

Mass of carbon in 1 kg of fuel to the mass of carbon in 1 kg of flue gas
Mass of oxygen in 1 kg of fuel to the mass of oxygen in 1 kg of flue gas
Mass of carbon in 1 kg of flue gas to the mass of carbon in 1 kg of fuel
Mass of oxygen in 1 kg of flue gas to the mass of oxygen in 1 kg of fuel

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