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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.

Maleic anhydride is produced by catalytic oxidation of____________________?

A Toluene

B Ethyl alcohol

C Naphthalene

D Benzene

Review Detailed Answer

Correct Answer: Benzene

SO2 is bubbled through hot sugar cane juice to_______________?

A Act as an acidifying agent

B Increase its concentration

C Increase the amount of molasses

D Increase the crystal size

Review Detailed Answer

Correct Answer: Act as an acidifying agent

Acrylonitrile is mainly used in the _____________ industry?

A Polymer

B Printing

C Dyeing

D Photographic

Review Detailed Answer

Correct Answer: Dyeing

In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed ?

A Furnace → converter → absorber

B Furnace → evaporator → absorber

C Furnace → converter → evaporator

D Converter → furnace → absorber

Review Detailed Answer

Correct Answer: Furnace → converter → absorber

Reaction of calcium carbide with water produces a gas, which is used_________________?

A As an illuminant

B For metal cutting/welding

C Both A. & B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Both A. & B.

Styrene (a monomer for the production of polystyrene) is commercially produced by ____________________?

A Catalytic dehydrogenation of ethyl benzene

B Dehydration of ethyl alcohol followed by hydrogenation

C Reacting ethylene oxide with acetaldehyde

D Fermentation of starch

Review Detailed Answer

Correct Answer: Catalytic dehydrogenation of ethyl benzene

Carboxymethyl cellulose (CMC) is added in detergents to_________________?

A Prevent redeposition of soil on cleaned surface

B Act as optical brightening agent

C Inhibit corrosion in washing machines made of aluminium

D None of these

Review Detailed Answer

Correct Answer: Prevent redeposition of soil on cleaned surface

Carborundum consists mainly of_________________?

A Bauxite

B Silicon carbide

C Boron carbide

D Calcium carbide

Review Detailed Answer

Correct Answer: Silicon carbide

Soap cannot be used with hard water, because _________________?

A Hard water contains sulphate

B They form insoluble calcium soaps which precipitate

C They attract back the removed dirt

D None of these

Review Detailed Answer

Correct Answer: They form insoluble calcium soaps which precipitate

The compressive strength of cement should not be less than about 110Kg/cm2 after three days & not less than 170Kg/cm2 after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about ________________ cm2/gm?

A 800

B 1600

C 4000

D 8500

Review Detailed Answer

Correct Answer: 1600

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Maleic anhydride is produced by catalytic oxidation of____________________?

SO2 is bubbled through hot sugar cane juice to_______________?

Acrylonitrile is mainly used in the _____________ industry?

In the manufacture of sulphuric acid from elemental sulphur, the following sequence of major operations is followed ?

Reaction of calcium carbide with water produces a gas, which is used_________________?

Styrene (a monomer for the production of polystyrene) is commercially produced by ____________________?

Carboxymethyl cellulose (CMC) is added in detergents to_________________?

Carborundum consists mainly of_________________?

Soap cannot be used with hard water, because _________________?

The compressive strength of cement should not be less than about 110Kg/cm2 after three days & not less than 170Kg/cm2 after seven days. The fineness of an ordinary cement as determined by turbidimetric method should be about ________________ cm2/gm?