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Engineering Thermodynamics

Engineering Thermodynamics
Which of the following cycles is not a reversible cycle?

Ericsson
Carnot
Stirling
None of the listed here

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

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

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Engineering Thermodynamics
When the expansion or compression takes place according to the law pvn = C, the process is known as

Isothermal process
Polytropic process
Hyperbolic process
Adiabatic process

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Engineering Thermodynamics
In a reversible adiabatic process, the ratio of T1/T2 is equal to

(p2/p1)γ - 1/ γ
(v2/v1)γ - 1/ γ
(v1/v2)γ - 1/ γ
(p1/p2)γ - 1/ γ

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Engineering Thermodynamics
Work done is zero for the following process

Throttling
Constant volume
Free expansion
All of the listed here

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Engineering Thermodynamics
A cycle consisting of two adiabatic and two constant pressure processes is known as

Stirling cycle
Joule cycle
Ericsson cycle
Otto cycle

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