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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.

Which of the following coals has the highest calorific value ?

A Lignite

B Sub-bituminous

C Anthracite

D Peat

Review Detailed Answer

Correct Answer: Anthracite

Varnish does not contain____________________?

A Pigment

B Thinner

C Dryer

D Anti-skimming agent

Review Detailed Answer

Correct Answer: Pigment

Mannheim furnace is used in the manufacture of_________________?

A Hydrochloric acid

B H2SO4 by Chamber process

C Calcium carbide

D Corundum

Review Detailed Answer

Correct Answer: Hydrochloric acid

High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to__________________?

A Flocculate the impurities

B Facilitate fast filtration

C Both A. and B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Both A. and B.

Bromides contained in hot mother liquor is treated with ______________ during manufacture of bromine from sea water ?

A SO3

B Cl2

C NH3

D SO2

Review Detailed Answer

Correct Answer: Cl2

Process conditions in fermentator used for production of penicillin is____________________?

A 25°C, 2 atm

B 50°C, l0 atm

C 30°C, 200 mm Hg (absolute)

D 90°C, 45 atm

Review Detailed Answer

Correct Answer: 25°C, 2 atm

Lime and soda ash are added to water to remove ___________________?

A Bicarbonates & sulphates of calcium and magnesium

B Undesirable taste and odour

C Bacteria

D Its corrosiveness

Review Detailed Answer

Correct Answer: Bicarbonates & sulphates of calcium and magnesium

Air used in aerobic fermentation must be sterilized, otherwise the ___________________?

A Recovery of product will be difficult

B Contamination of pure culture would result

C Uniformity of product cannot be achieved

D None of these

Review Detailed Answer

Correct Answer: Contamination of pure culture would result

Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used_______________________?

A As a lubricant

B As a rust preventive

C In hard water for cleaning of cloth

D As a foam depressant in distillation column

Review Detailed Answer

Correct Answer: As a lubricant

Prussian blue is chemically represented by__________________?

A FeO.TiO2

B Ca SO4 . 2H2O

C Fe4 [Fe (CN6)3]

D AlF3 . 3NaF

Review Detailed Answer

Correct Answer: Fe4 [Fe (CN6)3]

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Which of the following coals has the highest calorific value ?

Varnish does not contain____________________?

Mannheim furnace is used in the manufacture of_________________?

High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to__________________?

Bromides contained in hot mother liquor is treated with ______________ during manufacture of bromine from sea water ?

Process conditions in fermentator used for production of penicillin is____________________?

Lime and soda ash are added to water to remove ___________________?

Air used in aerobic fermentation must be sterilized, otherwise the ___________________?

Metallic soap (e.g. aluminium or calcium salts of fatty acids) can be used_______________________?

Prussian blue is chemically represented by__________________?