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.

The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is____________________?
A Polyvinyl alcohol
B Polyvinyl acetate
C Polyvinyl butyral
D PVC
Correct Answer: Polyvinyl butyral
Polycaprolactam is also known as _________________?
A Nylon-66
B Nylon-6
C Teflon
D SBR
Correct Answer: Nylon-6
Melt spinning of polymers involves the forcing of polymer melt through spinnerates (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the _____________ fibres?
A Acrylic
B Polyester
C Nylon 6:6
D Polypropylene
Correct Answer: Acrylic
Flexible foam (for mattresses) are usually made of _________________?
A PVC
B Silicone rubber
C Polyurethanes
D Polyamides
Correct Answer: Polyurethanes
Which of the following is not a natural polymer ?
A Nucleic acids e.g. RNA and DNA
B Polysaccharides
C Polyisoprene
D Polyurethane
Correct Answer: Polyurethane
Which of the following is a natural polyamide fiber?
A Wool
B Silk
C Cotton
D None of these
Correct Answer: Wool
Synthetic rubber___________________?
A Deforms, if stretched to double of its original dimension
B Is brittle at low temperature
C Is softer at higher temperature
D Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases
Correct Answer: Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases
_______________ is a natural fiber?
A Cellulose
B Dacron
C Nylon-6
D None of these
Correct Answer: Cellulose
Vulcanisation of rubber does not increase its__________________?
A Softness
B Oxidation resistance
C Weight & strength
D Elasticity & water solubility
Correct Answer: Softness
Phenol formaldehyde is produced by condensation polymerisation. It is also known as_________________?
A Teflon
B Bakelite
C Polyester
D Nylon-66
Correct Answer: Bakelite