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Engineering Thermodynamics

Engineering Thermodynamics
The general law for the expansion or compression of gases, is

pvn = C
pv = m R T
pvγ = C
pv = C

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Engineering Thermodynamics
All perfect gases change in volume by 1/273th of its original volume at 0°C for every 1°C change in temperature, when the pressure remains constant. This statement is called

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

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Engineering Thermodynamics
In an isothermal process, the internal energy

Remain constant
Increases
First increases and then decreases
Decreases

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Engineering Thermodynamics
According to Kelvin-Planck's statement, a perpetual motion of the __________ is impossible.

Second kind
First kind
None of these
Third kind

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Engineering Thermodynamics
Which of the following laws is applicable for the behaviour of a perfect gas?

Charles ‘law
All of these
Boyle's law
Gay Lussac’s law

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Engineering Thermodynamics
A definite area or a space where some thermodynamic process takes place is known as

Thermodynamic system
Thermodynamic law
Thermodynamic process
Thermodynamic cycle

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