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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.

Capacity of a rotary dryer depends on its __________________?

A rpm

B Inclination with ground surface

C Both A. and B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Both A. and B.

Berl saddle made of carbon cannot be used for ___________________?

A Alkalis

B SO2

C H2SO4

D Oxidising atmosphere

Review Detailed Answer

Correct Answer: Oxidising atmosphere

For achieving rapid drying rate in a spray dryer, the diameter of the particles in the feed should be in the range of _______________ microns (1 mm = 1000 microns)?

A 1-5

B 10-60

C 200-300

D > 500

Review Detailed Answer

Correct Answer: 10-60

If G = insoluble gas in gas stream and L = non-volatile solvent in liquid stream, then the slope of the operating line for the absorber is___________________?

A L/G

B G/L

C Always < 1

D None of these

Review Detailed Answer

Correct Answer: L/G

Corresponding to Prandtl number in heat transfer, the dimensionless group in mass transfer is the _______________ number?

A Schmidt

B Sherwood

C Peclet

D Stanton

Review Detailed Answer

Correct Answer: Schmidt

Physical absorption is__________________?

A An irreversible phenomenon

B A reversible phenomenon

C Accompanied by evolution of heat

D Both B. and C.

Review Detailed Answer

Correct Answer: Both B. and C.

Ion exchange process is similar to___________________?

A Absorption

B Adsorption

C Extraction

D Leaching

Review Detailed Answer

Correct Answer: Adsorption

Only small amount of evaporation of water produces large cooling effects because of its___________________?

A Large latent heat

B Low viscosity

C Small latent heat

D None of these

Review Detailed Answer

Correct Answer: Large latent heat

As the reflux ratio decreases, the_________________?

A Separation becomes more efficient

B Number of plates increases

C Column diameter increases

D None of these

Review Detailed Answer

Correct Answer: Number of plates increases

With increase in absolute humidity, the dew point of an unsaturated mixture of air and water vapor (at constant pressure and temperature) ?

A Increases

B Remains unchanged

C Decreases

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

Capacity of a rotary dryer depends on its __________________?

Berl saddle made of carbon cannot be used for ___________________?

For achieving rapid drying rate in a spray dryer, the diameter of the particles in the feed should be in the range of _______________ microns (1 mm = 1000 microns)?

If G = insoluble gas in gas stream and L = non-volatile solvent in liquid stream, then the slope of the operating line for the absorber is___________________?

Corresponding to Prandtl number in heat transfer, the dimensionless group in mass transfer is the _______________ number?

Physical absorption is__________________?

Ion exchange process is similar to___________________?

Only small amount of evaporation of water produces large cooling effects because of its___________________?

As the reflux ratio decreases, the_________________?

With increase in absolute humidity, the dew point of an unsaturated mixture of air and water vapor (at constant pressure and temperature) ?