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Engineering Thermodynamics

Engineering Thermodynamics
For reversible adiabatic process, change in entropy is

Minimum
Maximum
Negative
Zero

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Engineering Thermodynamics
The statement that molecular weights of all gases occupy the same volume is known as

Dalton's law
Avogadro's hypothesis
Law of thermodynamics
Gas law

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Engineering Thermodynamics
During throttling process

There is no change of internal energy of steam
All of these
No work is done by expanding steam
Heat exchange does not take place

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

Gram
Kilogram
Tonne
Quintal

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Engineering Thermodynamics
The property of a working substance which increases or decreases as the heat is supplied or removed in a reversible manner, is known as

Entropy
External energy
Enthalpy
Internal energy

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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

54 kJ
114 kJ
84 kJ
30 kJ

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MORE MCQ ON Engineering Thermodynamics

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