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Engineering Thermodynamics

Engineering Thermodynamics
On weight basis, air contains following parts of oxygen

21
23
25
73

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Engineering Thermodynamics
The ideal efficiency of a Brayton cycle without regeneration, with increase in pressure ratio will

Remain unchanged
Decrease
Increase
Increase/decrease depending on application

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Engineering Thermodynamics
The gas constant (R) is equal to the __________ of two specific heats.

Product
Ratio
Difference
Sum

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Engineering Thermodynamics
The heating of gas at constant volume is governed by

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

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Engineering Thermodynamics
Universal gas constant is defined as equal to product of the molecular weight of the gas and

Gas constant
Ratio of two specific heats
Specific heat at constant volume
Specific heat at constant pressure

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Engineering Thermodynamics
The pressure exerted by an ideal gas is ________ of the kinetic energy of all the molecules contained in a unit volume of gas.

Two-third
Three-forth
One-half
One-third

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MORE MCQ ON Engineering Thermodynamics

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