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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.

Heat requirement for decomposition of a compound into its elements is _____________ that is evolved during the formation of that compound from its elements?

A The same

B Less than

C Greater than

D Different than

Review Detailed Answer

Correct Answer: The same

Which of the following is true for Virial equation of state ?

A Virial co-efficients are universal constants

B Virial co-efficients ‘B’ represents three body interactions

C Virial co-efficients are function of temperature only

D For some gases, Virial equations and ideal gas equations are the same

Review Detailed Answer

Correct Answer: Virial co-efficients are function of temperature only

For an ideal gas, the chemical potential is given by______________?

A RT d ln P

B R d ln P

C R d ln f

D None of these

Review Detailed Answer

Correct Answer: RT d ln P

In case of a reversible process (following pvn = constant), work obtained for trebling the volume (v1 = 1 m3 and v23 m3) is maximum, when the value of ‘n’ is_________________?

A 0

B 1

C y = 1.44

D 1.66

Review Detailed Answer

Correct Answer: 0

The thermodynamic law, PVy = constant, is not applicable in case of______________?

A Ideal compression of air

B Free expansion of an ideal gas

C Adiabatic expansion of steam in a turbine

D Adiabatic compression of a perfect gas

Review Detailed Answer

Correct Answer: Free expansion of an ideal gas

Out of the following refrigeration cycles, which one has maximum COP ?

A Air cycle

B Carnot cycle

C Ordinary vapor compression cycle

D Vapor compression with a reversible expansion engine

Review Detailed Answer

Correct Answer: Carnot cycle

If the molar heat capacities (Cp or Cv) of the reactants and products of a chemical reaction are identical, then, with the increase in temperature, the heat of reaction will___________________?

A Increase

B Decrease

C Remain unaltered

D Increase or decrease; depends on the particular reaction

Review Detailed Answer

Correct Answer: Remain unaltered

All gases except ____________ shows a cooling effect during throttling process at atmospheric temperature and pressure?

A Oxygen

B Nitrogen

C Air

D Hydrogen

Review Detailed Answer

Correct Answer: Hydrogen

After throttling, gas temperature___________________?

A Decreases

B Increases

C Remain same

D May increase or decrease; depends on the nature of the gas

Review Detailed Answer

Correct Answer: Decreases

Gibbs free energy per mole for a pure substance is equal to the__________________?

A Latent heat of vaporisation

B Chemical potential

C Molal boiling point

D Heat capacity

Review Detailed Answer

Correct Answer: Chemical potential

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Heat requirement for decomposition of a compound into its elements is _____________ that is evolved during the formation of that compound from its elements?

Which of the following is true for Virial equation of state ?

For an ideal gas, the chemical potential is given by______________?

In case of a reversible process (following pvn = constant), work obtained for trebling the volume (v1 = 1 m3 and v23 m3) is maximum, when the value of ‘n’ is_________________?

The thermodynamic law, PVy = constant, is not applicable in case of______________?

Out of the following refrigeration cycles, which one has maximum COP ?

If the molar heat capacities (Cp or Cv) of the reactants and products of a chemical reaction are identical, then, with the increase in temperature, the heat of reaction will___________________?

All gases except ____________ shows a cooling effect during throttling process at atmospheric temperature and pressure?

After throttling, gas temperature___________________?

Gibbs free energy per mole for a pure substance is equal to the__________________?