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Engineering Thermodynamics

Engineering Thermodynamics
The value of n = 1 in the polytropic process indicates it to be

Adiabatic process
Isothermal process
Reversible process
Irreversible process

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Engineering Thermodynamics
Superheated vapour behaves

As steam
Exactly as gas
Approximately as a gas
As ordinary vapour

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Engineering Thermodynamics
The isothermal and adiabatic processes are regarded as

None of the listed here
Reversible process
Irreversible process
Reversible or irreversible process

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Engineering Thermodynamics
Carnot cycle efficiency is maximum when

Final temperature is 0°K
Difference between initial and final temperature is 0°K
Final temperature is 0°C
Initial temperature is 0°K

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Engineering Thermodynamics
A gas is compressed in a cylinder by a movable piston to a volume one half its original volume. During the process 300 kJ heat left the gas and internal energy remained same. The work done on gas in Nm will be

300 Nm
300,000 Nm
3000 Nm
30 Nm

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Engineering Thermodynamics
Which law states that the internal energy of a gas is a function of temperature?

Joule's law
There is no such law
Charles' law
Boyle's law

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MORE MCQ ON Engineering Thermodynamics

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