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Chemical Engineering Thermodynamics MCQ Question with Answer

Chemical Engineering Thermodynamics MCQ with detailed explanation for interview, entrance and competitive exams. Explanation are given for understanding.

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Question No : 15
Fugacity co-efficient of a substance is the ratio of its fugacity to

Mole fraction
Activity
Pressure
Activity co-efficient

Question No : 16
Cv for an ideal gas

Does not depend upon temperature
Is independent of pressure only
Is independent of volume only
Is independent of both pressure and volume

Question No : 17
A system in which there is exchange of energy but not of mass, is called a/an __________ system.

Isolated
Open
Insulated
Closed

Question No : 18
Specific __________ does not change during phase change at constant temperature and pressure.

Entropy
Gibbs energy
Internal energy
Enthalpy

Question No : 19
Fugacity is a measure of the

Escaping tendencies of the same substance in different phases of a system
Relative volatility of a mixture of two miscible liquids
Behaviour of ideal gases
None of these

Question No : 20
Translational kinetic energy of molecules of an ideal gas is proportional to (where, T = absolute temperature of the gas)

T
√T
T2
1/√T

Question No : 21
In a turbine, the fluid expands almost

Isothermally
Isobarically
Adiabatically
None of these