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Engineering Thermodynamics

Engineering Thermodynamics
One barometric pressure or 1 atmospheric pressure is equal to

1.033 kgf/cm²
1.0197 kgf/cm²
1 kgf/cm²
0 kgf/cm²

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Engineering Thermodynamics
If a gas vapour is allowed to expand through a very minute aperture, then such a process is known as

Free expansion
Throttling
Adiabatic expansion
Hyperbolic expansion

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Engineering Thermodynamics
The air standard efficiency of an Otto cycle is given by (where r = Compression ratio, and γ = Ratio of specific heats)

1 + rγ - 1
1 - (1/ rγ - 1)
1 - rγ - 1
1 + (1/ rγ - 1)

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Engineering Thermodynamics
The pressure of a gas in terms of its mean kinetic energy per unit volume 'E' is equal to

E/2
3E/4
E/3
2E/3

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Engineering Thermodynamics
The atomic mass of sulphur is

32
16
12
14

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

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

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MORE MCQ ON Engineering Thermodynamics

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