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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following is an irreversible cycle?

None of these
Carnot
Ericsson
Stirling

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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
During which of the following process does heat rejection takes place in Carnot cycle?

Isentropic expansion
Isothermal compression
Isothermal expansion
Isentropic compression

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Engineering Thermodynamics
Which law states that the specific heat of a gas remains constant at all temperatures and pressures?

Boyle's Law
Charles' Law
Joule's Law
Regnault's Law

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Engineering Thermodynamics
The temperature at which the volume of a gas becomes zero is called

Absolute temperature
None of these
Absolute scale of temperature
Absolute zero temperature

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Engineering Thermodynamics
A path 1-2-3 is given. A system absorbs 100 kJ as heat and does 60 kJ of work while along the path 1-4-3, it does 20 kJ of work. The heat absorbed during the cycle 1-4-3 is

-140 kJ
+60 kJ
-80 kJ
-40 kJ

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