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Engineering Thermodynamics

Engineering Thermodynamics
For which of the following substances, the internal energy and enthalpy are the functions of temperature only

Perfect gas
Saturated steam
Water
Any gas

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Engineering Thermodynamics
In an isothermal process, the internal energy

First increases and then decreases
Remain constant
Increases
Decreases

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Engineering Thermodynamics
In an isothermal process

There is no change in enthalpy
There is no change in temperature
All of the listed here
There is no change in internal energy

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Engineering Thermodynamics
Specific heat of air at constant pressure is equal to

0.21
0.17
1
0.24

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Engineering Thermodynamics
The __________ states that change of internal energy of a perfect gas is directly proportional to the change of temperature.

Gay-Lussac law
Charle's law
Joule's law
Boyle's law

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Engineering Thermodynamics
If the value of n = 0 in the equation pvn = C, then the process is called

Constant volume process
Constant pressure process
Isothermal process
Adiabatic process

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MORE MCQ ON Engineering Thermodynamics

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