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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.

In the equation, PVn = constant, if the value of n is in between 1 and y (i.e. Cp/Cv), then it represents a reversible ____________ process?

A Isometric

B Polytropic

C Isentropic

D Isobaric

Review Detailed Answer

Correct Answer: Polytropic

Water on heating from 1 to 4°C___________________?

A Contracts

B Expands

C Has same volume

D May contract or expand

Review Detailed Answer

Correct Answer: Contracts

The work done in isothermal compression compared to that in adiabatic compression will be__________________?

A Less

B More

C Same

D More or less depending upon the extent of work done

Review Detailed Answer

Correct Answer: More

The gas law (PV = RT) is true for an ______________ change?

A Isothermal

B Adiabatic

C Both A. & B

D Neither A. nor B

Review Detailed Answer

Correct Answer: Both A. & B

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

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

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

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

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

Joule-Thomson co-efficient is defined as__________________?

A μ = (∂P/∂T)H

B μ = (∂T/∂P)H

C μ = (∂E/∂T)H

D μ = (∂E/∂P)H

Review Detailed Answer

Correct Answer: μ = (∂T/∂P)H

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

In the equation, PVn = constant, if the value of n is in between 1 and y (i.e. Cp/Cv), then it represents a reversible ____________ process?

Water on heating from 1 to 4°C___________________?

The work done in isothermal compression compared to that in adiabatic compression will be__________________?

The gas law (PV = RT) is true for an ______________ change?

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

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_________________?

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

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

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

Joule-Thomson co-efficient is defined as__________________?