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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.

Molecular diffusivity of a liquid__________________?

A Increases with temperature

B Decreases with temperature

C May increase or decrease with temperature

D Is independent of temperature

Review Detailed Answer

Correct Answer: Increases with temperature

At a fixed pressure, the humidity depends upon the partial pressure of vapor in the mixture. Humidity of a vapour free gas is ________________ percent.?

A 100

B 0

C 50

D Between 0 and 100

Review Detailed Answer

Correct Answer: 0

All moisture in a non-hygroscopic material is the ________________ moisture?

A Free

B Equilibrium

C Unbound

D Bound

Review Detailed Answer

Correct Answer: Unbound

The value of NA/(NA + NB) for steady state molecular diffusion of gas ‘A’ through nondiffusing gas ‘B’ is____________________?

A 1

B ∞

C 0.5

D 2

Review Detailed Answer

Correct Answer: 1

Molecular distillation is_____________________?

A High temperature distillation

B For heat-sensitive materials

C Very low pressure distillation

D Both B. and C.

Review Detailed Answer

Correct Answer: Both B. and C.

The most efficient cooling tower out of the following is_____________________?

A Induced draft

B Forced draft

C Natural draft

D Atmospheric

Review Detailed Answer

Correct Answer: Induced draft

The main reason for dividing a tall packed tower into series of small towers is to________________________?

A Minimise the overall pressure drop

B Avoid flooding

C Reduce liquid hold up

D Avoid channelling

Review Detailed Answer

Correct Answer: Avoid channelling

Acetic acid will be most economically separated from a dilute solution of acetic acid in water by____________________?

A Solvent extraction

B Continuous distillation

C Evaporation

D Absorption

Review Detailed Answer

Correct Answer: Solvent extraction

Which of the following is not a batch drier ?

A Truck drier

B Agitated pan drier

C Fluidised bed drier

D Vacuum shelf drier

Review Detailed Answer

Correct Answer: Fluidised bed drier

For the same feed, feed quality and separation (in a distillation column), with the increase of total pressure, the number of ideal plates will_____________________?

A Increase

B Decrease

C Remain same

D Data insufficient, can’t be predicted

Review Detailed Answer

Correct Answer: Increase

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Molecular diffusivity of a liquid__________________?

At a fixed pressure, the humidity depends upon the partial pressure of vapor in the mixture. Humidity of a vapour free gas is ________________ percent.?

All moisture in a non-hygroscopic material is the ________________ moisture?

The value of NA/(NA + NB) for steady state molecular diffusion of gas ‘A’ through nondiffusing gas ‘B’ is____________________?

Molecular distillation is_____________________?

The most efficient cooling tower out of the following is_____________________?

The main reason for dividing a tall packed tower into series of small towers is to________________________?

Acetic acid will be most economically separated from a dilute solution of acetic acid in water by____________________?

Which of the following is not a batch drier ?

For the same feed, feed quality and separation (in a distillation column), with the increase of total pressure, the number of ideal plates will_____________________?