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Engineering Thermodynamics

Engineering Thermodynamics
The same volume of all gases would represent their

Gas characteristic constants
Specific weights
Molecular weights
Densities

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Engineering Thermodynamics
The reading of the pressure gauge fitted on a vessel is 25 bar. The atmospheric pressure is 1.03 bar and the value of 'g' is 9.81 m/s2. The absolute pressure in the vessel is

26.03 bar
23.97 bar
25 bar
34.81 bar

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Engineering Thermodynamics
In S. I. units, the value of the universal gas constant is

83.14 J/kg mole-K
8.314 J/kg mole-K
831.4 J/kg mole-K
8314 J/kg mole-K

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

Isobaric process
Isochoric process
All of these
Hyperbolic process

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Engineering Thermodynamics
Which of the following gas has a minimum molecular mass?

Oxygen
Nitrogen
Methane
Hydrogen

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Engineering Thermodynamics
The efficiency of the Carnot cycle is (where T1 and T2 = Highest and lowest temperature during the cycle)

1 - (T1/T2)
1 + (T2/T1)
(T1/T2) - 1
1 - (T2/T1)

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MORE MCQ ON Engineering Thermodynamics

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