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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following is an irreversible cycle?

None of these
Carnot
Ericsson
Stirling

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Engineering Thermodynamics
All perfect gases change in volume by 1/273th of its original volume at 0°C for every 1°C change in temperature, when the pressure remains constant. This statement is called

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

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Engineering Thermodynamics
Which of the following can be regarded as gas so that gas laws could be applicable, within the commonly encountered temperature limits?

O₂, N₂, water vapour
O₂, N₂, steam, CO₂
O₂, N₂, H₂, air
SO₂, NH₃, CO₂, moisture

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Engineering Thermodynamics
One kilowatt is equal to

1000 N-m/s
100 N-m
1 × 106 N-m/s
1 N-m/s

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Engineering Thermodynamics
In an isothermal process, the internal energy of gas molecules

Remain constant
May increase/decrease depending on the properties of gas
Decreases
Increases

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Engineering Thermodynamics
The atomic mass of sulphur is

14
12
16
32

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