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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

Non sulphonated hard bakelites are not used for making _______________________?
A Ion-exchange resins
B Fountain pen barrels
C Formica table tops
D Combs
Correct Answer: Ion-exchange resins
Density of high density polythene is about __________ gm/c.c ?
A 1.18
B 1.05
C 0.95
D 0.99
Correct Answer: 0.95
Bakelite is a/an ______________________?
A Addition polymer
B Elastomer
C Thermoplastic
D None of these
Correct Answer: None of these
Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of _______________ percent?
A 1-1000
B 1000-1500
C 1500-2000
D 2000-2500
Correct Answer: 1-1000
Addition polymerisation takes place either by a free radical mechanism or ionic mechanism depending on the reagents used. Free radical polymerisation is catalyzed by _______________, which decompose to give free radicals?
A Organic peroxides
B Sulphuric acid
C Hydrofluoric acid
D None of these
Correct Answer: Organic peroxides
The monomer of poly vinyl chloride (PVC) is__________________?
A Chloroethane
B Ethylene dichloride
C Ethyl chloride
D Chloroform
Correct Answer: Chloroethane
In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the_________________?
A Hexamethylene diamine and the ring
B Hexamethylene diamine and the adipic acid
C Adipic acid and the ring
D None of these
Correct Answer: Hexamethylene diamine and the adipic acid
_____________ is not a polyester fiber?
A Terylene
B Dacron
C Nylon
D Polyacrylonitrile
Correct Answer: Nylon
Neoprene is rendered non-inflammable, because of_____________________?
A Its cross-linked structure
B Its linear chain structure
C The presence of chlorine atoms in its monomer
D The absence of chlorine atoms in its monomer
Correct Answer: The presence of chlorine atoms in its monomer
Thermosetting polymers as compared to thermoplastic polymers_____________________?
A Are formed by addition polymerisation
B Have three dimensional structure
C Have linear structure
D None of these
Correct Answer: Have three dimensional structure
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