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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.

When the solvent dissolves very little of solute, then__________________________?

A Solvent of low latent heat of vaporisation should be used

B Solvent of low freezing point should be used

C Large quantity of solvent is required to extract the solute

D Very small quantity of solvent is required

Review Detailed Answer

Correct Answer: Large quantity of solvent is required to extract the solute

Tea percolation employs___________________________?

A Liquid-liquid extraction

B Leaching

C Absorption

D None of these

Review Detailed Answer

Correct Answer: Leaching

The equipment used in the extraction of highly corrosive radioactive liquids is_______________________?

A Pulse column

B Spray column

C Mixer settler

D Baffle tower

Review Detailed Answer

Correct Answer: Pulse column

With increase in temperature, the solubility of gases in liquids, at fixed pressure____________________?

A Increases

B Decreases

C Remain same

D Either A. or B., depends on the system

Review Detailed Answer

Correct Answer: Decreases

Degree of freedom for leaching and solvent extraction process is_____________________?

A 0

B 1

C 2

D 3

Review Detailed Answer

Correct Answer: 3

Unit operation involved in the prilling of urea is_____________________?

A Evaporation

B Drying

C Crystallisation

D Both B. and C.

Review Detailed Answer

Correct Answer: Both B. and C.

In physical terms, Schmidt number means _________________?

A Thermal diffusivity/mass diffusivity

B Thermal diffusivity/momentum diffusivity

C Momentum diffusivity/mass diffusivity

D Mass diffusivity/thermal diffusivity

Review Detailed Answer

Correct Answer: Momentum diffusivity/mass diffusivity

At __________________ reflux, theoretical number of plates in a distillation coloumn is calculated using Fenske-Underwood equation?

A Operating

B Total

C Minimum

D Maximum permissible

Review Detailed Answer

Correct Answer: Total

In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________________ its relative saturation?

A Lower than

B Higher than

C Equal to

D Either A. or B., depends on the mixture composition

Review Detailed Answer

Correct Answer: Lower than

Flash distillation is suitable for separating the constituents of a binary system, which _____________________?

A Form minimum boiling azeotrope

B Have very wide boiling points

C Have very close boiling points

D Form constant boiling azeotrope

Review Detailed Answer

Correct Answer: Have very wide boiling points

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

When the solvent dissolves very little of solute, then__________________________?

Tea percolation employs___________________________?

The equipment used in the extraction of highly corrosive radioactive liquids is_______________________?

With increase in temperature, the solubility of gases in liquids, at fixed pressure____________________?

Degree of freedom for leaching and solvent extraction process is_____________________?

Unit operation involved in the prilling of urea is_____________________?

In physical terms, Schmidt number means _________________?

At __________________ reflux, theoretical number of plates in a distillation coloumn is calculated using Fenske-Underwood equation?

In case of an unsaturated mixture of gas and vapor, the percentage saturation is __________________ its relative saturation?

Flash distillation is suitable for separating the constituents of a binary system, which _____________________?