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Engineering Thermodynamics

Engineering Thermodynamics
A mixture of gas expands from 0.03 m3 to 0.06 m3 at a constant pressure of 1 MPa and absorbs 84 kJ of heat during the process. The change in internal energy of the mixture is

84 kJ
54 kJ
114 kJ
30 kJ

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Engineering Thermodynamics
Temperature of a gas is produced due to

Kinetic energy of molecules
Its heating value
Repulsion of molecules
Surface tension of molecules

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Engineering Thermodynamics
Which of the following is an intensive property of a thermodynamic system?

Energy
Volume
Mass
Temperature

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Engineering Thermodynamics
A cycle consisting of two isothermal and two isentropic processes, is known as

Ericsson cycle
Joule cycle
Carnot cycle
Stirling cycle

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Engineering Thermodynamics
The unit of time in S.I. units is

Day
Hour
Minute
Second

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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
(p1/p2)γ - 1/ γ
(v1/v2)γ - 1/ γ

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