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Engineering Thermodynamics

Engineering Thermodynamics
One molecule of oxygen consists of __________ atoms of oxygen.

2
4
16
8

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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 Nm
30 Nm
300,000 Nm
3000 Nm

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Engineering Thermodynamics
One kg of ethylene (C2H4) requires 2 kg of oxygen and produces 22/7 kg of carbon dioxide and ___ kg of water or steam.

7/4
11/7
11/4
9/7

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Engineering Thermodynamics
The value of cp/cv for air is

2.3
1.45
1
1.4

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Engineering Thermodynamics
Entropy change depends on

Heat transfer
Change of temperature
Thermodynamic state
Mass transfer

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Engineering Thermodynamics
The throttling process is __________ process.

Reversible
Reversible or irreversible
None of these
Irreversible

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MORE MCQ ON Engineering Thermodynamics

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