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Engineering Thermodynamics

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

Steam
Vapour
Perfect gas
Air

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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

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

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Engineering Thermodynamics
The amount of heat required to raise the temperature of __________ water through one degree is called kilojoules.

100 g
10 g
1000 g
1 g

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Engineering Thermodynamics
The throttling process is __________ process.

Irreversible
Reversible or irreversible
Reversible
None of these

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Engineering Thermodynamics
The value of the product of molecular weight and the gas characteristic constant for all the gases in S.I. units is

83.14 J/kmol °K
848 J/kmol °K
29.27 J/kmol °K
735 J/kmol °K

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Engineering Thermodynamics
The property of a working substance which increases or decreases as the heat is supplied or removed in a reversible manner, is known as

Enthalpy
Internal energy
External energy
Entropy

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MORE MCQ ON Engineering Thermodynamics

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