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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.

Co-efficient of Performance (COP) of a refrigerator is the ratio of the ______________________?

A Work required to refrigeration obtained

B Refrigeration obtained to the work required

C Lower to higher temperature

D Higher to lower temperature

Review Detailed Answer

Correct Answer: Refrigeration obtained to the work required

A system is said to be at equilibrium, if the entropy of the system has reached ____________ value?

A Minimum

B Zero

C Maximum

D None of these

Review Detailed Answer

Correct Answer: Maximum

Claude gas liquefaction process employs cooling___________________?

A At constant pressure

B By throttling

C By expansion in an engine

D None of these

Review Detailed Answer

Correct Answer: By expansion in an engine

Fugacity is a measure of the____________________?

A Escaping tendencies of the same substance in different phases of a system

B Relative volatility of a mixture of two miscible liquids

C Behaviour of ideal gases

D None of these

Review Detailed Answer

Correct Answer: Escaping tendencies of the same substance in different phases of a system

Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance is doubled, then the value of the equilibrium constant will be___________________?

A Same

B Doubled

C Halved

D One fourth of its original value

Review Detailed Answer

Correct Answer: Same

Isobaric process means a constant process ?

A Temperature

B Pressure

C Volume

D Entropy

Review Detailed Answer

Correct Answer: Pressure

The activity of an ideal gas is numerically ____________ its pressure?

A More than

B Less than

C Equal to

D Data insufficient, can’t be predicted

Review Detailed Answer

Correct Answer: Equal to

Rotary lime kiln is an example of a/an _____________ system?

A Closed

B Open

C Isolated

D Non-thermodynamic

Review Detailed Answer

Correct Answer: Open

During the phase transition, _______________ changes?

A Pressure

B Volume

C Temperature

D All A , B. and C

Review Detailed Answer

Correct Answer: Volume

For a stable phase at constant pressure and temperature, the fugacity of each component in a binary system _____________ as its mole fraction increases?

A Decreases

B Increases

C Remain same

D Decreases linearly

Review Detailed Answer

Correct Answer: Increases

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Co-efficient of Performance (COP) of a refrigerator is the ratio of the ______________________?

A system is said to be at equilibrium, if the entropy of the system has reached ____________ value?

Claude gas liquefaction process employs cooling___________________?

Fugacity is a measure of the____________________?

Two substances are in equilibrium in a reversible chemical reaction. If the concentration of each substance is doubled, then the value of the equilibrium constant will be___________________?

Isobaric process means a constant process ?

The activity of an ideal gas is numerically ____________ its pressure?

Rotary lime kiln is an example of a/an _____________ system?

During the phase transition, _______________ changes?

For a stable phase at constant pressure and temperature, the fugacity of each component in a binary system _____________ as its mole fraction increases?