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Engineering Thermodynamics

Engineering Thermodynamics
Reversed Joule cycle is known as

Carnot cycle
Stirling cycle
Bell-Coleman cycle
Rankine cycle

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

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

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Engineering Thermodynamics
The general gas equation is (where p = Pressure, v = Volume, m = mass, T = Absolute temperature, and R = Gas constant)

pv = (RT)m
pv = mRT
pvm = C
pv = RTm

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Engineering Thermodynamics
The efficiency of Stirling cycle is __________ Carnot cycle.

None of these
Less than
Greater than
Equal to

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Engineering Thermodynamics
According to which law, all perfect gases change in volume by 1/273th of their original volume at 0°C for every 1°C change in temperature when pressure remains constant

Gay Lussac’s law
Charles' law
Joule's law
Boyle's law

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

Decrease
Increase
Remain unchanged
Increase/decrease depending on application

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MORE MCQ ON Engineering Thermodynamics

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