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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Dry ice is

Solid carbon dioxide
Moisture free ice
Solid helium
None of these

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Chemical Engineering Thermodynamics
Work done in case of free expansion is

None of these
Indeterminate
Negative
Zero

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Chemical Engineering Thermodynamics
In the equation, PVn = constant, if the value of n = 1, then it represents a reversible __________ process.

Adiabatic
Isobaric
Isothermal
Polytropic

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Chemical Engineering Thermodynamics
Joule-Thomson Co-efficient at any point on the inversion curve is

∞
+ ve
-ve

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Chemical Engineering Thermodynamics
Heat pump

Accomplishes both A and B
Accomplishes only space cooling in summer
Works on Carnot cycle
Accomplishes only space heating in winter

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Chemical Engineering Thermodynamics
Which is not a refrigerant?

NH₃
CCl₂F₂
SO₂
C₂H₄Cl₂

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