M C Q s D r i v e

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.

A copolymer is formed by the combination of two or more monomer molecules_________________?
A In a chain without the elimination of water
B With the elimination of small amount of water
C Of the same monomer by elimination of small molecules of water
D None of these
Correct Answer: In a chain without the elimination of water
Maximum consumption of polymers is in___________________?
A Electrical insulation
B Toys making
C Coating and films
D Packaging
Correct Answer: Coating and films
______________are produced by reacting polybasic acid (e.g. Phthalic anhydride) with polyhydric alcohol (e.g., glycerol) ?
A Unsaturated polyester
B Alkyd resins
C Saturated polyester
D Amino resins
Correct Answer: Alkyd resins
Addition of stabiliser during PVC manufacture is done to________________?
A Improve its impact strength
B Improve its elasticity
C Reduce the melt viscosity & glass transition temperature
D Prevent its thermal degradation
Correct Answer: Prevent its thermal degradation
Amino resins are used in paper treatment to improve its__________________?
A Wet tear and bursting strength
B Folding endurance
C Wet rub resistance
D All A., B. & C.
Correct Answer: All A., B. & C.
Addition polymerisation is not involved in the manufacture of_______________?
A Low density polythene
B Poly vinyl chloride
C Polystyrene
D Polyhexamethylene adipamide
Correct Answer: Polyhexamethylene adipamide
Which of the following is not a thermoplastic material ?
A Epoxy polymer
B PVC
C Polystyrene
D Polythene
Correct Answer: Epoxy polymer
Nylon-6 as compared to nylon 66 has lower ?
A Abrasion resistance
B Thermal stability
C Adhesion to rubber
D Hardness
Correct Answer: Abrasion resistance
Identify the group in which all the polymers mentioned can be used to make fibres ?
A Butadiene copolymers, Polyamides, Urea-formaldehyde
B Cellulose derivatives, Polyisoprene, Polyethylene
C Cellulose derivatives, Polyamides, Polyurethane
D Polypropylene, Poly vinyl chloride, Silicon
Correct Answer: Cellulose derivatives, Polyisoprene, Polyethylene
Nylon-6 is manufactured from _______________?
A Caprolactam
B Adipic acid and Hexamethylenediamine
C Maleic anhydride and Hexamethylenediamine
D Sebacic acid and Hexamethylenediamine
Correct Answer: Caprolactam