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Engineering Thermodynamics

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

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

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Engineering Thermodynamics
The work ratio of simple gas turbine cycle depends upon

Pressure ratio
Maximum cycle temperature
All of these
Minimum cycle temperature

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Engineering Thermodynamics
The efficiency of Stirling cycle is __________ Carnot cycle.

Equal to
None of these
Less than
Greater than

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Engineering Thermodynamics
Which of the following processes are thermodynamically reversible?

Isothermal and adiabatic
Constant volume and constant pressure
Throttling
Free expansion

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Engineering Thermodynamics
A perfect gas at 27°C is heated at constant pressure till its volume is double. The final temperature is

108°C
654°C
327°C
54°C

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Engineering Thermodynamics
When a gas is heated at constant volume

Both temperature and pressure will increase
Its pressure will increase
Neither temperature nor pressure will increase
Its temperature will increase

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