Polymer Technology MCQs

124 MCQs  — Chemical Engineering MCQs  (Page 8 of 13)

Attempt Polymer Technology Quiz
Thiokol is nothing but____________________?
A. Polysulphide rubber
B. Polyamide fibre
C. Engineering plastic
D. Expanded polystyrene
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________________ is produced by polymerisation of chloroprene?
A. Thiokol (a polysulphide rubber)
B. Butyl rubber
C. Neoprene
D. Polyurethane rubber
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______________ fibres are made of polyamides?
A. Dacron
B. Nylon
C. Rayon
D. Orion
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Zeigler – Natta catalyst (AlR3 – AlCl3) is used in the polymerisation of_________________?
A. Vinyl acetate
B. Vinyl chloride
C. Propylene
D. Styrene
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The major component of acrylic fibers is__________________?
A. Polyamides
B. Polyolefins
C. Polyacrylonitrile
D. Polyesters
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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.
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Dacron is a/an___________________?
A. Addition polymer
B. Condensation polymer
C. Polyester
D. Both b. and c.
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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
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Trade name of ______________ is neoprene?
A. Polychlorophrene
B. Polyisoprene
C. Polytetrafluoroethylene
D. Poly vinyl acetate
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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
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Word of the Day
23 Jul
Aisle
a passage between rows of seats in a building such as a church or theatre, an aircraft, or train.
طویل تنگ راستہ، نشتوں کے درمیان راستہ

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