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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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.

During a reversible isothermal expansion of an ideal gas, the entropy change is___________________?

A +ve

B 0

C -ve

D ∞

Review Detailed Answer

Correct Answer: +ve

A two stage compressor is used to compress an ideal gas. The gas is cooled to the initial temperature after each stage. The intermediate pressure for the minimum total work requirement should be equal to the _____________ mean of P1 and P2.(where, P1 and P2 are initial and final pressures respectively) ?

A Logarithmic

B Arithmetic

C Geometric

D Harmonic

Review Detailed Answer

Correct Answer: Geometric

As pressure approaches zero, the ratio of fugacity to pressure (f/P) for a gas approaches____________________?

A Zero

B Unity

C Infinity

D An indeterminate value

Review Detailed Answer

Correct Answer: Unity

If the internal energy of an ideal gas decreases by the same amount as the work done by the system, then the____________________?

A Process must be isobaric

B Temperature must decrease

C Process must be adiabatic

D Both B. and C.

Review Detailed Answer

Correct Answer: Both B. and C.

The first law of thermodynamics is a statement of conservation of_____________________?

A Heat

B Momentum

C Energy

D Work

Review Detailed Answer

Correct Answer: Energy

First law of thermodynamics deals with the ___________________?

A Direction of energy transfer

B Reversible processes only

C Irreversible processes only

D None of these

Review Detailed Answer

Correct Answer: Direction of energy transfer

The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator is__________________?

A Less

B More

C Same

D Dependent on climatic conditions

Review Detailed Answer

Correct Answer: Less

For a spontaneous process, free energy__________________?

A Is zero

B Increases

C Decreases whereas the entropy increases

D And entropy both decrease

Review Detailed Answer

Correct Answer: Decreases whereas the entropy increases

For multi-component multiple phases to be in equilibrium at the same pressure and temperature, the _______________ of each component must be same in all phases?

A Chemical potential

B Fugacity

C Both A. and B

D Neither A. nor B

Review Detailed Answer

Correct Answer: Both A. and B

The chemical potential of any constituent of an ideal solution depends on the ______________ of the solution?

A Temperature

B Pressure

C Composition

D All (A), B. and (C)

Review Detailed Answer

Correct Answer: All (A), B. and (C)

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

During a reversible isothermal expansion of an ideal gas, the entropy change is___________________?

As pressure approaches zero, the ratio of fugacity to pressure (f/P) for a gas approaches____________________?

If the internal energy of an ideal gas decreases by the same amount as the work done by the system, then the____________________?

The first law of thermodynamics is a statement of conservation of_____________________?

First law of thermodynamics deals with the ___________________?

The Carnot co-efficient of performance (COP) of a domestic air conditioner compared to a household refrigerator is__________________?

For a spontaneous process, free energy__________________?

For multi-component multiple phases to be in equilibrium at the same pressure and temperature, the _______________ of each component must be same in all phases?

The chemical potential of any constituent of an ideal solution depends on the ______________ of the solution?