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Engineering Thermodynamics

Engineering Thermodynamics
If both Stirling and Carnot cycles operate within the same temperature limits, then efficiency of Stirling cycle as compared to Carnot cycle

Less
Equal
More
Depends on other factors

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Engineering Thermodynamics
The following cycle is used for air craft refrigeration

Brayton cycle
Joule cycle
Reversed Brayton cycle
Carnot cycle

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Engineering Thermodynamics
According to which law, all perfect gases change in volume by 1/273th of their original volume at 0°C for every 1°C change in temperature when pressure remains constant

Charles' law
Boyle's law
Gay Lussac’s law
Joule's law

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Engineering Thermodynamics
Otto cycle is also known as

Constant pressure cycle
Constant volume cycle
Constant temperature and pressure cycle
Constant temperature cycle

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Engineering Thermodynamics
The ideal efficiency of a Brayton cycle with regeneration, with increase in pressure ratio will

Increase
Decrease
Remain unchanged
Increase/decrease depending on application

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Engineering Thermodynamics
Minimum work in compressor is possible when the value of adiabatic index ‘n’ is equal to

1.27
1.35
0.75
1

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MORE MCQ ON Engineering Thermodynamics

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