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Engineering Thermodynamics

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

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

30 kJ
54 kJ
84 kJ
114 kJ

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

Pressure
Density
Temperature
Volume

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Engineering Thermodynamics
The amount of heat required to raise the temperature of __________ water through one degree is called kilojoules.

10 g
100 g
1 g
1000 g

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Engineering Thermodynamics
A molecule consisting of one atom is known as

Di-atomic
Poly-atomic
Mono-atomic
Tri-atomic

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

mm of water column
kg/cm²
Pascal
Dyne per square cm

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