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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

Visco-elastic behaviour exhibited by plastics is a ______________ like behaviour?
A Solid
B Liquid
C Combination of solid & liquid
D Neither solid nor liquid
Correct Answer: Combination of solid & liquid
Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800 ?
A 50000
B 51600
C 49200
D 50800
Correct Answer: 50000
_____________ tubes are good substitute for human blood vessels on heart by-pass operation?
A PVC
B Polythene
C Teflon/Dacron
D Polystyrene
Correct Answer: Teflon/Dacron
Vulcanisation of rubber_____________________?
A Decreases its tensile strength
B Increases its ozone & oxygen reactivity
C Increases its oil & solvent resistance
D Converts its plasticity into elasticity
Correct Answer: Converts its plasticity into elasticity
Trade name of ______________ is neoprene?
A Polychlorophrene
B Polyisoprene
C Polytetrafluoroethylene
D Poly vinyl acetate
Correct Answer: Polychlorophrene
Which of the following low molecular weight (<104), soft & waxy polymer is used in „chewing gum‟ ?
A Cellulose acetate
B Polyvinyl acetate
C Thiokol
D PVC
Correct Answer: Polyvinyl acetate
Dacron is a/an___________________?
A Addition polymer
B Condensation polymer
C Polyester
D Both B. and C.
Correct Answer: Both B. and C.
Dacron (or Treylene) fibres as compared to nylon fibres have_____________________?
A Better heat & acid resistant properties
B Poorer resistance to alkalis
C Poorer dyeability
D All A., B. and C.
Correct Answer: All A., B. and C.
The major component of acrylic fibers is__________________?
A Polyamides
B Polyolefins
C Polyacrylonitrile
D Polyesters
Correct Answer: Polyacrylonitrile
Zeigler – Natta catalyst (AlR3 – AlCl3) is used in the polymerisation of_________________?
A Vinyl acetate
B Vinyl chloride
C Propylene
D Styrene
Correct Answer: Propylene
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