Polymer Technology Mcqs for Chemical


Q.  Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their________________?

a. Molecular sizes
b. Magnitude of intermolecular forces
c. Resistance to heat
d. Polymerisation mechanism


ANSWER: See Answer
 
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MCQs:  Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding_________________?
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MCQs:  Which of the following low molecular weight (<104), soft & waxy polymer is used in „chewing gum‟ ?
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MCQs:  Trade name of ______________ is neoprene?
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MCQs:  Vulcanisation of rubber_____________________?
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MCQs:  _____________ tubes are good substitute for human blood vessels on heart by-pass operation?
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MCQs:  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 ?
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MCQs:  Visco-elastic behaviour exhibited by plastics is a ______________ like behaviour?
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MCQs:  Benzoyl chloride is not used as a catalyst in the manufacture of___________________?
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MCQs:  _____________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate?
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MCQs:  Linear polymers are normally_________________?
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MCQs:  Condensation polymerisation is not involved in the manufacture of_________________?
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MCQs:  The repeating units of PTFE are___________________?
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MCQs:  Rayon is superior to cotton in making gauge for wound treatment, because rayon_____________________?
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