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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following gas has a minimum molecular mass?

Methane
Oxygen
Nitrogen
Hydrogen

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Engineering Thermodynamics
The behavior of a perfect gas, undergoing any change in the variables which control physical properties, is governed by

Gay-Lussac law
Boyle's law
Charles' law
All of the listed here

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Engineering Thermodynamics
For reversible adiabatic process, change in entropy is

Zero
Negative
Maximum
Minimum

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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

654°C
54°C
327°C
108°C

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Engineering Thermodynamics
The value of 1 mm of Hg is equal to

13.33 N/m2
133.3 N/m2
1.333 N/m2
1333 N/m2

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Engineering Thermodynamics
The state of a substance whose evaporation from its liquid state is complete, is known as

Air
Vapour
Steam
Perfect gas

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MORE MCQ ON Engineering Thermodynamics

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