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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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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.

All Topics  9594

Catalytic oxidation-dehydrogenation of methyl alcohol produces__________________?
A Formaldehyde
B Phenol
C Acetone
D Maleic anhydride
Correct Answer: Formaldehyde
A unit operation is exemplified by the process of ___________________?
A Reduction
B Desorption
C Nitration
D Combustion
Correct Answer: Desorption
Which of the following is not produced on commercial scale from sea water ?
A Bromine
B Magnesium compounds
C Potassium compounds
D Sodium sulphate
Correct Answer: Sodium sulphate
Glycerine can be obtained from ________________ ?
A Fat
B Naphthalene
C Cumene
D Sucrose
Correct Answer: Fat
Permanent hardness of water is due to the presence of calcium & magnesium __________________?
A Bi-carbonates
B Sulphates & chlorides
C Carbonate
D None of these
Correct Answer: Sulphates & chlorides
Deaeration of water in its treatment is necessary, as it___________________?
A Minimises its turbidity
B Helps in controlling its taste and odour
C Minimises its corrosiveness
D None of these
Correct Answer: Minimises its corrosiveness
Use of water having dissolved oxygen in boilers promotes___________________?
A Corrosion
B Sequestration
C Scale formation
D None of these
Correct Answer: Corrosion
Reaction of ethylene glycol and dimethyl terephthalate (DMT) produces ________________?
A Nylon-6
B Dacron
C Polyester
D PVC
Correct Answer: Dacron
Sudden temperature fluctuation does not affect pyrex glass, because of its __________________?
A Low co-efficient of expansion
B High co-efficient of expansion
C High melting point
D Both B. and (C)
Correct Answer: Low co-efficient of expansion
Which of the following is a constituent of coffee ?
A Caffeine
B Nicotine
C Calgon
D Lignin
Correct Answer: Caffeine
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