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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.

Refrigeration capacity of a household refrigerator may be round about _____________ tons?

A 0.15

B 1.5

C 4.5

D 6.5

Review Detailed Answer

Correct Answer: 0.15

A system undergoes a change from a given initial state to a given final state either by an irreversible process or by a reversible process, then (where, Δ S1 and Δ SR are the entropy changes of the system for the irreversible and reversible processes respectively) ?

A Δ S1 is always Δ SR

C Δ S1 is always > Δ SR

D Δ S1 is always = Δ SR

Review Detailed Answer

Correct Answer: Δ S1 is always > Δ SR

Which is not constant for an ideal gas ?

A (∂P/∂V)T

B (∂V/∂T)P

C (∂P/∂V)V

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

Review Detailed Answer

Correct Answer: (∂P/∂V)T

Which of the following equations is used for the prediction of activity co-efficient from experiments ?

A Van Laar equation

B Margules equation

C Wilson’s equation

D All A, B. and C

Review Detailed Answer

Correct Answer: All A, B. and C

Any substance above its critical temperature exists as _____________________?

A Saturated vapour

B Solid

C Gas

D Liquid

Review Detailed Answer

Correct Answer: Gas

Melting of ice is an example of an _____________ process?

A Adiabatic

B Isothermal

C Isometric

D None of these

Review Detailed Answer

Correct Answer: Isothermal

Clausius-Clapeyron Equation gives accurate result, when the __________________?

A Vapour pressure is relatively low and the temperature does not vary over wide limits

B Vapour obeys the ideal gas law and the latent heat of vaporisation is constant

C Volume in the liquid state is negligible compared with that in the vapour state

D All A, B. and C

Review Detailed Answer

Correct Answer: All A, B. and C

In an ideal refrigeration cycle, the change in internal energy of the fluid is_____________?

A +ve

B -ve

C 0

D Either of the above three; depends on the nature of refrigerant

Review Detailed Answer

Correct Answer: 0

The difference between isothermal compressibility and adiabatic compressibility for an ideal gas is____________________?

A 0

B +ve

C -ve

D ∞

Review Detailed Answer

Correct Answer: +ve

Helmholtz free energy A. is defined as____________________?

A A = H – TS

B A = E – TS

C A = H + TS

D None of these

Review Detailed Answer

Correct Answer: A = E – TS

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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All Topics 9594

Refrigeration capacity of a household refrigerator may be round about _____________ tons?

A system undergoes a change from a given initial state to a given final state either by an irreversible process or by a reversible process, then (where, Δ S1 and Δ SR are the entropy changes of the system for the irreversible and reversible processes respectively) ?

Which is not constant for an ideal gas ?

Which of the following equations is used for the prediction of activity co-efficient from experiments ?

Any substance above its critical temperature exists as _____________________?

Melting of ice is an example of an _____________ process?

Clausius-Clapeyron Equation gives accurate result, when the __________________?

In an ideal refrigeration cycle, the change in internal energy of the fluid is_____________?

The difference between isothermal compressibility and adiabatic compressibility for an ideal gas is____________________?

Helmholtz free energy A. is defined as____________________?