Chemical Engineering MCQs

6108 MCQs  (Page 284 of 611)

Attempt Chemical Engineering Quiz
Properties of a polymer is affected by the____________________?
A. Chain length
B. Intermolecular forces
C. Both a. and b.
D. None of these
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In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer ?
A. Ptfe
B. Buna-s
C. Pmma
D. Polycaprolactam
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In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is________________?
A. Terylene
B. Polybutadiene
C. Pvc
D. Polypropylene
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Polycondensation reaction of polymerisation ___________________?
A. Does not produce linear polymers
B. Produces only thermoplastic material
C. Produces epoxy polymers
D. Does not need any catalyst
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Cellulose content in bamboo fibre is about ______________ percent?
A. 10
B. 20
C. 50
D. 85
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Which of the following is generally not drawn into fiber ?
A. Polyamide
B. Unsaturated polyesters
C. Saturated polyesters
D. Polyacrylonitrile
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Gutta percha rubber is_________________?
A. Soft & tacky at room temperature
B. An isomer of natural rubber
C. A thermosetting resin
D. Recovered by coagulation of rubber latex
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Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is __________________?
A. Nylon-66
B. Teflon
C. Polyester
D. Bakelite
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The only natural thermoplastic resin, which is a product of animal life is ____________________?
A. Rosin
B. Shellac
C. Amber
D. Copal
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Nylon-66 is a polyamide of __________________?
A. Hexamethylene diamine and adipic acid
B. Adipic acid and methyl amine
C. Vinyl chloride and formaldehyde
D. None of these
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Word of the Day
28 Jul
Fragile
(of an object) easily broken or damaged.
نازک، کاغذی، آسانی سے ٹوٹ جانیوالا

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