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Chemical Engineering - Polymer Technology

Exercise : Polymer Technology - Section 5
1.
Which of the following is the lowest cost plastic commercially available ?
Polythene
Teflon
Bakelite
PVC
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Thermosetting plastic materials
can be repeatedly melted.
is useful for melt casting.
can not be melted after forming.
is useful for spinning.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Terylene is a/an
addition polymer
poly amide
homopolymer
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Rayon is a __________ fibre.
cellulosic
polyamide
polyester
natural
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Commercial production of polypropylene employs __________ polymerisation.
emulsion
suspension
solution
bulk
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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