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Engineering Thermodynamics

Engineering Thermodynamics
Second law of thermodynamics defines

Entropy
Heat
Internal energy
Work

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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

54°C
654°C
108°C
327°C

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Engineering Thermodynamics
A perpetual motion machine is

A non-thermodynamic machine
A hypothetical machine whose operation would violate the laws of thermodynamics
A thermodynamic machine
A hypothetical machine

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Engineering Thermodynamics
Which of the following processes are thermodynamically reversible?

Constant volume and constant pressure
Throttling
Isothermal and adiabatic
Free expansion

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Engineering Thermodynamics
The general law of expansion or compression is pvn = C, The process is said to be hyperbolic, if n is equal to

1
γ
∝

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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

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

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