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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.

Sphericity is the ratio of the surface area of a spherical particle having the same volume as the particle to the surface area of the particle. Which of the following has the maximum value of sphericity ?

A Sphere

B Cube

C Cylinder (L/D = 1)

D Raschig rings

Review Detailed Answer

Correct Answer: Sphere

Cumulative analysis for determining surface is more precise than differential analysis, because of the_______________?

A Assumption that all particles in a single fraction are equal in size

B Fact that screening is more effective

C Assumption that all particles in a single fraction are equal in size, is not needed

D None of these

Review Detailed Answer

Correct Answer: Assumption that all particles in a single fraction are equal in size

Float and sink test determines the possibility of cleaning of coal by a process based on the___________________?

A Gravity separation

B Wettability

C Particle shape

D None of these

Review Detailed Answer

Correct Answer: Gravity separation

Which of the following is not a part of the Blake jaw crusher ?

A Hanger

B Check plates

C Toggles

D Pitman

Review Detailed Answer

Correct Answer: Hanger

Wet grinding in a revolving mill ______________ as compared to dry grinding ?

A Gives less wear on chamber walls

B Requires more energy

C Increases capacity

D Complicates handling of the product

Review Detailed Answer

Correct Answer: Increases capacity

A screen is said to be blinded, when the___________________?

A Over-sizes are present in undersize fraction

B Under-sizes are retained in oversize fraction

C Screen is plugged with solid particles

D Screen capacity is abruptly increased

Review Detailed Answer

Correct Answer: Screen is plugged with solid particles

Which of the following may prove unsuitable for filtering volatile liquids ?

A Pressure filter

B Gravity filter

C Centrifugal filter

D Vacuum filter

Review Detailed Answer

Correct Answer: Vacuum filter

The most suitable equipment used to devulcanise rubber scrap and to make water dispersion & rubber solution is a __________________?

A Boundary mixer

B Propeller agitator

C Sharpies centrifuge

D None of these

Review Detailed Answer

Correct Answer: Boundary mixer

To remove dirt from the flowing fluid, we use a ____________________?

A Coagulant

B Gravity settler

C Strains

D Clarifier

Review Detailed Answer

Correct Answer: Strains

The sphericity of a solid particle of cubical shape is ___________________?

A π

B (π/6)1/3

C (π/6)1/2

D π/3

Review Detailed Answer

Correct Answer: π

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Sphericity is the ratio of the surface area of a spherical particle having the same volume as the particle to the surface area of the particle. Which of the following has the maximum value of sphericity ?

Cumulative analysis for determining surface is more precise than differential analysis, because of the_______________?

Float and sink test determines the possibility of cleaning of coal by a process based on the___________________?

Which of the following is not a part of the Blake jaw crusher ?

Wet grinding in a revolving mill ______________ as compared to dry grinding ?

A screen is said to be blinded, when the___________________?

Which of the following may prove unsuitable for filtering volatile liquids ?

The most suitable equipment used to devulcanise rubber scrap and to make water dispersion & rubber solution is a __________________?

To remove dirt from the flowing fluid, we use a ____________________?

The sphericity of a solid particle of cubical shape is ___________________?