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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Melting of ice is an example of an __________ process.

None of these
Isometric
Isothermal
Adiabatic

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Chemical Engineering Thermodynamics
The number of degrees of freedom for a mixture of ice and water (liquid) are

1
2
0
3

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Chemical Engineering Thermodynamics
All gases above its inversion temperature, in a throttling process will show

A cooling effect
Either A or C
No change in temperature
A heating effect

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Chemical Engineering Thermodynamics
Dry ice is

None of these
Solid carbon dioxide
Solid helium
Moisture free ice

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Chemical Engineering Thermodynamics
Work done in case of free expansion is

Negative
Indeterminate
Zero
None of these

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Chemical Engineering Thermodynamics
The co-efficient of performance (COP) of a refrigerating system, which is its index of performance, is defined as the ratio of useful refrigeration to the net work. The units of __________ and COP are the same.

Temperature
Work
None of these
Kinematic viscosity

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