Polymer Technology MCQs

124 MCQs  — Chemical Engineering MCQs  (Page 3 of 13)

Attempt Polymer Technology Quiz
_______________________ is not a condensation polymer ?
A. Teflon
B. Nylon-66
C. Dacron
D. Polystyrene
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Softening point of high density polythene is about ______________ °C?
A. 85
B. 135
C. 165
D. 205
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Which of the following is not an elastomer ?
A. Polyisoprene
B. Neoprene
C. Nitrile-butadiene
D. None of these
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Thermosetting materials_________________?
A. Are cross-linked molecules
B. Soften on application of heat
C. Are solvent soluble
D. None of these
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Polymers are_________________?
A. Micro-molecules
B. Macromolecules
C. Sub-micromolecules
D. None of these
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_____________ polythene is most prone to stress-cracking ?
A. High density
B. Low density
C. Cross-linked
D. Linear low density
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Styrene which is a monomer for the production of polystyrene, is commercially produced by the __________________?
A. Catalytic dehydrogenation of ethyl benzene
B. Dehydration of ethyl alcohol followed by hydrogenation
C. Reacting ethylene oxide with acetaldehyde
D. Fermentation of starch
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Most of the fibre forming polymers are crystalline in nature, one of the exceptions being ______________ which is amorphous in nature?
A. Nylon
B. Polyacrylonitrile
C. Polypropylene
D. Polyester
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Which of the following is not a condensation polymer ?
A. Bakelite
B. Melamine polymer
C. Poly-methyl-methacrylate (pmma)
D. None of these
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Phenol formaldehyde __________________?
A. Employs addition polymerisation
B. Employs condensation polymerisation
C. Is a monomer
D. Is an abrasive material
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Word of the Day
22 Jul
Combative
ready or eager to fight or argue.
لڑاکا، متنازع، جھگڑالو

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