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Engineering Thermodynamics

Engineering Thermodynamics
Molecular volume of any perfect gas at 600 × 103 N/m² and 27°C will be

0.15 m3/kg mol
41.7 m3/kg mol
4.17 m3/kg mol
400 m3/kg mol

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Engineering Thermodynamics
Reversed joule cycle is called

Brayton cycle
Rankine cycle
Carnot cycle
Bell Coleman cycle

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Engineering Thermodynamics
One molecule of oxygen is __________ times heavier than the hydrogen atom.

32
14
12
16

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Engineering Thermodynamics
Temperature of a gas is produced due to

Its heating value
Kinetic energy of molecules
Repulsion of molecules
Surface tension of molecules

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Engineering Thermodynamics
The heating of gas at constant volume is governed by

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

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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

300,000 Nm
3000 Nm
300 Nm
30 Nm

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