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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.

In continuous filtration (at a constant pressure drop), filtrate flow rate varies inversely as the__________________?

A Square root of the velocity

B Square of the viscosity

C Filtration time only

D Washing time only

Review Detailed Answer

Correct Answer: Square root of the velocity

Filtration rate through a filter cake is proportional to (where, S = filtering surface R = specific cake resistance μ = viscosity of the filtrate) ?

A S

B 1/R

C 1/μ

D All A., B. & C.

Review Detailed Answer

Correct Answer: All A., B. & C.

Kick’s law assumes that the energy required for size reduction is proportional to the logarithm of the ratio between the initial and the final diameters. The unit of Kick’s constant is_________________?

A kW. sec/kg

B kWh/kg

C kWh/sec. kg

D kg/sec

Review Detailed Answer

Correct Answer: kW. sec/kg

To get ultrafine particles, the equipment used is a _________________?

A Ball mill

B Rod mill

C Hammer crusher

D Fluid energy mill

Review Detailed Answer

Correct Answer: Fluid energy mill

Tabling process used for separating two materials of different densities by passing the dilute pulp over a table/deck, which is inclined from the horizontal surface at an angle of about________________?

A 1 to 2°

B 2 to 5°

C 5 to 10°

D 10 to 15°

Review Detailed Answer

Correct Answer: 2 to 5°

Tube mill compared to ball mill_______________________?

A Produces finer products

B Is long in comparison with its diameter

C Uses smaller balls

D All A., B. & C.

Review Detailed Answer

Correct Answer: All A., B. & C.

In case of a hammer crusher, the final product size depends on the____________________?

A Feed rate

B Rotor speed

C Clearance between hammer & grinding plates

D All A., B. and C.

Review Detailed Answer

Correct Answer: All A., B. and C.

Size reduction of asbestos and mica is done by____________________?

A Hammer mills

B Rod mills

C Gyratory crushers

D Crushing rolls

Review Detailed Answer

Correct Answer: Hammer mills

The energy consumed by a ball mill depends on__________________?

A Its speed

B Its ball load

C The density of the material being ground

D All A., B. and C.

Review Detailed Answer

Correct Answer: All A., B. and C.

The ratio of the actual mesh dimension of Taylor series to that of the next smaller screen is_______________?

A 2

B √2

C 1.5

D √3

Review Detailed Answer

Correct Answer: 2

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

In continuous filtration (at a constant pressure drop), filtrate flow rate varies inversely as the__________________?

Filtration rate through a filter cake is proportional to (where, S = filtering surface R = specific cake resistance μ = viscosity of the filtrate) ?

Kick’s law assumes that the energy required for size reduction is proportional to the logarithm of the ratio between the initial and the final diameters. The unit of Kick’s constant is_________________?

To get ultrafine particles, the equipment used is a _________________?

Tabling process used for separating two materials of different densities by passing the dilute pulp over a table/deck, which is inclined from the horizontal surface at an angle of about________________?

Tube mill compared to ball mill_______________________?

In case of a hammer crusher, the final product size depends on the____________________?

Size reduction of asbestos and mica is done by____________________?

The energy consumed by a ball mill depends on__________________?

The ratio of the actual mesh dimension of Taylor series to that of the next smaller screen is_______________?