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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
Domestic refrigerator usually works on the __________ refrigeration cycle.

Vapour-ejection
Absorption
Air
Carnot

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Chemical Engineering Thermodynamics
Internal energy of an element at 1 atm and 25° C is __________ kcal/kg.mole.

25
273
0
None of these

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Chemical Engineering Thermodynamics
The intensive properties are

Both A and B
None of these
Refractive index and surface tension
Molar volume, density, viscosity and boiling point

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Chemical Engineering Thermodynamics
In a reversible process

Tds - dW + dE >0
DE - dW = Tds
DW - dE = Tds
Tds = dE + dW

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Chemical Engineering Thermodynamics
Free energy, fugacity and activity co-efficient are all affected by change in the temperature. The fugacity co-efficient of a gas at constant pressure ____with the increase of reduced temperature.

Decreases
Increases
Decreases logarithmically
Remains constant

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Chemical Engineering Thermodynamics
At the critical point of a substance

There is no distinction between liquid and vapour phases
All of these
The surface tension vanishes
Liquid and vapour have the same density

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MORE MCQ ON Chemical Engineering Thermodynamics

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