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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 main size reduction operation in ultrafine grinders is_____________?

A Cutting

B Attrition

C Compression

D Impact

Review Detailed Answer

Correct Answer: Attrition

Mixing of plastic solids is generally facilitated by___________________?

A Dispersion

B Mastication

C Kneading

D None of these

Review Detailed Answer

Correct Answer: Kneading

With increase in drum speed, in a rotary drum filter, the filtration rate_______________?

A Increases

B Increases linearly

C Decreases

D Is not affected

Review Detailed Answer

Correct Answer: Increases

Gravity settling process is not involved in the working of a________________?

A Hydrocyclone

B Classifier

C Dorr-thickener

D Sedimentation tank

Review Detailed Answer

Correct Answer: Hydrocyclone

Ball mills and tube mills with flint or porcelain balls are used for size reduction of_______________?

A Asbestos

B Rubber

C Non-metallic ores

D Limestone

Review Detailed Answer

Correct Answer: Non-metallic ores

Grinding characteristic of a material is given by its___________________?

A HGI

B Angle of repose

C Shatter index

D Abrasion index

Review Detailed Answer

Correct Answer: HGI

Which of the following is not categorised as a “mechanical operation”?

A Agitation

B Filtration

C Size enlargement

D Humidification

Review Detailed Answer

Correct Answer: Humidification

For Indian standard (IS) screens, the mesh number is equal to its aperture size expressed to the nearest deca-micron (0.01 mm). Aperture width of IS screen of mesh number 50 will be approximately _____________ microns?

A 5

B 50

C 500

D 5000

Review Detailed Answer

Correct Answer: 5

Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of ____________ mm?

A 0.007

B 0.30

C 50

D 0.014

Review Detailed Answer

Correct Answer: 0.30

____________ mills fall in the category of tumbling mills ?

A Ball and pebble

B Rod and tube

C Compartment

D All A., B. & C.

Review Detailed Answer

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

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

The main size reduction operation in ultrafine grinders is_____________?

Mixing of plastic solids is generally facilitated by___________________?

With increase in drum speed, in a rotary drum filter, the filtration rate_______________?

Gravity settling process is not involved in the working of a________________?

Ball mills and tube mills with flint or porcelain balls are used for size reduction of_______________?

Grinding characteristic of a material is given by its___________________?

Which of the following is not categorised as a “mechanical operation”?

For Indian standard (IS) screens, the mesh number is equal to its aperture size expressed to the nearest deca-micron (0.01 mm). Aperture width of IS screen of mesh number 50 will be approximately _____________ microns?

Pulverised coal passing through 200 mesh screen has a diameter of 0.074 mm (74 micron). The same passing through 50 mesh screen will have a dia of ____________ mm?

____________ mills fall in the category of tumbling mills ?