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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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Chemical Engineering MCQs designed for job test and interview preparation, particularly for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover important topics such as the fundamentals of chemical engineering, chemical processes, chemical reactions, process control, and instrumentation, along with other key concepts in the field.

All Topics  9594

Entropy change of mixing two liquid substances depends upon the_________________?
A Molar concentration
B Quantity (i.e. number of moles)
C Both A. and B
D Neither A. nor B
Correct Answer: Both A. and B
Generation of heat by friction is an example of a/an ________________ change?
A Isothermal
B Irreversible
C Adiabatic
D Reversible
Correct Answer: Irreversible
Free energy change at equilibrium is____________________?
A Zero
B Positive
C Negative
D Indeterminate
Correct Answer: Zero
The unit of fugacity is the same as that of the_________________?
A Pressure
B Temperature
C Volume
D Molar concentration
Correct Answer: Pressure
Extensive properties of a thermodynamic system depend upon the _____________ of the system?
A Specific volume
B Temperature
C Mass
D Pressure
Correct Answer: Mass
Variation of equilibrium pressure with temperature for any two phases of a given substances is given by the ____________ equation?
A Gibbs-Duhem
B Maxwell’s
C Clapeyron
D None of these
Correct Answer: Clapeyron
In the reaction, represented by, 2SO2 + O2 ⇌ 2SO3; ΔH = – 42 kcal; the forward reaction will be favoured by____________________?
A Low temperature
B High pressure
C Both A. and B
D Neither A. nor B
Correct Answer: Both A. and B
An irreversible process____________________?
A Is the analog of linear frictionless motion in machines
B Is an idealised visualisation of behaviour of a system
C Yields the maximum amount of work
D Yields an amount of work less than that of a reversible process
Correct Answer: Yields an amount of work less than that of a reversible process
Chemical potential is a/an_____________________?
A Extensive property
B Intensive property
C Force which drives the chemical system to equilibrium
D Both B. and C
Correct Answer: Both B. and C
When a system is in equilibrium for all possible processes, the differential or finite change of entropy is__________________?
A < 0
B > 0
C 0
D None of these
Correct Answer: < 0
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