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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following is a reversible non-flow process?

Isobaric process
Hyperbolic process
All of these
Isochoric process

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Engineering Thermodynamics
For the constant pressure and heat input, the air standard efficiency of gas power cycle is in the order

Diesel cycle, Otto cycle, Dual cycle
Dual cycle, Otto cycle, Diesel cycle
Otto cycle, Diesel cycle, Dual cycle
Dual cycle, Diesel cycle, Otto cycle

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Engineering Thermodynamics
The efficiency of the Carnot cycle may be increased by

Decreasing the highest temperature
Increasing the highest temperature
Increasing the lowest temperature
Keeping the lowest temperature constant

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Engineering Thermodynamics
Petrol is distilled at

345° to 470°C
470° to 550°C
220° to 345°C
65° to 220°C

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Engineering Thermodynamics
The pressure of a gas in terms of its mean kinetic energy per unit volume 'E' is equal to

E/3
E/2
3E/4
2E/3

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Engineering Thermodynamics
The __________ states that change of internal energy of a perfect gas is directly proportional to the change of temperature.

Joule's law
Charle's law
Boyle's law
Gay-Lussac law

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