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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
Which of the following is a reversible non-flow process?

Hyperbolic process
Isochoric process
All of these
Isobaric process

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Engineering Thermodynamics
When cut-off ratio is ________; the efficiency of Diesel cycle approaches to Otto cycle efficiency

43834
Zero
2
43835

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Engineering Thermodynamics
For a perfect gas, according to Boyle’s law (where P = Absolute pressure, V = Volume and T = Absolute temperature)

T/P = constant, if v is kept constant
V/T = constant, if p is kept constant
P/T = constant, if v is kept constant
P v = constant, if T is kept constant

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Engineering Thermodynamics
One kg of carbon monoxide requires 4/7 kg of oxygen and produces

8/3 kg of carbon monoxide gas
11/3 kg of carbon dioxide gas
11/7 kg of carbon dioxide gas
7/3 kg of carbon monoxide gas

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Engineering Thermodynamics
The volumetric or molar specific heat at constant pressure is the product of

Atomic mass of the gas and the gas constant
None of the listed here
Molecular mass of the gas and the specific heat at constant volume
Molecular mass of the gas and the gas constant

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