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Engineering Thermodynamics

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

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

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Engineering Thermodynamics
On volume basis, air contains following parts of oxygen

23
77
25
21

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Engineering Thermodynamics
Which of the following is the lightest and most volatile liquid fuel?

Fuel oil
Gasoline
None of these
Kerosene

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Engineering Thermodynamics
In an isothermal process, the internal energy

First increases and then decreases
Increases
Decreases
Remain constant

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Engineering Thermodynamics
The more effective way of increasing efficiency of Carnot engine is to

Decrease lower temperature
Decrease higher temperature
Increase higher temperature
Increase lower temperature

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Engineering Thermodynamics
Which of the following cycles has maximum efficiency?

Rankine
Stirling
Carnot
Brayton

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