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Engineering Thermodynamics

Engineering Thermodynamics
Change in enthalpy of a system is the heat supplied at

Constant volume
Constant temperature
Constant pressure
Constant entropy

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Engineering Thermodynamics
Which of the following processes are thermodynamically reversible?

Constant volume and constant pressure
Isothermal and adiabatic
Throttling
Free expansion

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Engineering Thermodynamics
The ratio of root mean square velocity to average velocity of gas molecules at a particular temperature is

1.086
4.086
1.086
0.086

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Engineering Thermodynamics
The standard value of atmospheric pressure taken at sea level is

760 mm of Hg
All of these
1.013 bar
1013 × 102 N/m2

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Engineering Thermodynamics
Work done is zero for the following process

Free expansion
Throttling
All of the listed here
Constant volume

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Engineering Thermodynamics
The measurement of a thermodynamic property known as temperature is based on

None of these
Zeroth law of thermodynamics
First law of thermodynamics
Second law of thermodynamics

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