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Engineering Thermodynamics

Engineering Thermodynamics
An ideal gas as compared to a real gas at very high pressure occupies

More volume
Same volume
Less volume
Unpredictable behavior

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Engineering Thermodynamics
The amount of heat required to raise the temperature of the unit mass of gas through one degree at constant volume, is called

None of these
Kilo Joule
Specific heat at constant pressure
Specific heat at constant volume

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Engineering Thermodynamics
In an irreversible process, there is a

Loss of heat
No loss of heat
No gain of heat
Gain of heat

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

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

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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
30 kJ
114 kJ

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Engineering Thermodynamics
The area under the temperature-entropy curve (T – s curve) of any thermodynamic process represents

Heat rejected
Heat absorbed
None of the listed here
Either heat absorbed or heat rejected

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MORE MCQ ON Engineering Thermodynamics

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