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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.

Critical temperature is defined as the temperature above which a gas will____________________?

A Not liquify (barring exceptions)

B Immediately liquify

C Never liquify however high the pressure may be

D None of these

Review Detailed Answer

Correct Answer: Never liquify however high the pressure may be

The expression for entropy change given by, ΔS = nR ln (V2/V1) + nCv ln (T2/T1) is valid for ______________________?

A Reversible isothermal volume change

B Heating of a substance

C Cooling of a substance

D Simultaneous heating and expansion of an ideal gas

Review Detailed Answer

Correct Answer: Simultaneous heating and expansion of an ideal gas

With increase in reduced temperature, the fugacity co-efficient of a gas at constant reduced pressure___________________?

A Increases

B Decreases

C Remain same

D Decreases linearly

Review Detailed Answer

Correct Answer: Increases

Which of the following is not a reversible process ?

A Expansion of an ideal gas against constant pressure

B Atmospheric pressure vaporisation of water at 100°C

C Solution of NaCl in water at 50°C

D None of these

Review Detailed Answer

Correct Answer: Solution of NaCl in water at 50°C

Equilibrium constant of a reaction varies with the____________________?

A Initial concentration of the reactant

B Pressure

C Temperature

D None of these

Review Detailed Answer

Correct Answer: Temperature

For a cyclic process, a fixed ratio between heat and work___________________?

A Always exists

B May exist

C Never exists

D Is difficult to predict

Review Detailed Answer

Correct Answer: Always exists

When dilute aqueous solutions of two salts are mixed, the process is associated with ___________________?

A Decrease in temperature

B Increase in temperature

C No change in temperature

D Change in temperature which is a function of composition

Review Detailed Answer

Correct Answer: Increase in temperature

For an incompressible fluid, the _______________ is a function of both pressure as well as temperature?

A Internal energy

B Enthalpy

C Entropy

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

Review Detailed Answer

Correct Answer: Enthalpy

Gibbs free energy of mixing at constant pressure and temperature is always__________________?

A 0

B ∞

C + ve

D – ve

Review Detailed Answer

Correct Answer: – ve

Compressibility factor of a gas is___________________?

A Not a function of its pressure

B Not a function of its nature

C Not a function of its temperature

D Unity, if it follows PV = nRT

Review Detailed Answer

Correct Answer: Not a function of its pressure

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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All Topics 9594

Critical temperature is defined as the temperature above which a gas will____________________?

The expression for entropy change given by, ΔS = nR ln (V2/V1) + nCv ln (T2/T1) is valid for ______________________?

With increase in reduced temperature, the fugacity co-efficient of a gas at constant reduced pressure___________________?

Which of the following is not a reversible process ?

Equilibrium constant of a reaction varies with the____________________?

For a cyclic process, a fixed ratio between heat and work___________________?

When dilute aqueous solutions of two salts are mixed, the process is associated with ___________________?

For an incompressible fluid, the _______________ is a function of both pressure as well as temperature?

Gibbs free energy of mixing at constant pressure and temperature is always__________________?

Compressibility factor of a gas is___________________?