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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.

The most common packing used in industrial operations is _______________ rings?

A Raschig

B Lessing

C Cross-partition

D Single spiral

Review Detailed Answer

Correct Answer: Raschig

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

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

The most common packing used in industrial operations is _______________ rings?

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_________________?