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Chemical Engineering - Polymer Technology

Exercise : Polymer Technology - Section 4
1.
Identify the group in which all the polymers mentioned can be used to make fibres.
Butadiene copolymers, Polyamides, Urea aldehyde
Cellulose derivatives, Polyisoprene, Polyethylene
Cellulose derivatives, Polyamides, Polyurathane
Polypropylene, Poly vinyl chloride, Silicon
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Molecular weights of plastics ranges from
1000 to 5000
5000 to 1000
20000 to 25000
109 to l011
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Non sulphonated hard bakelites are not used for making
ion-exchange resins
fountain pen barrels
formica table tops
combs
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
Which of the following is not present in bagasse fibre ?
Cellulose
Lignin
Pentogens
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Epoxy resin is
not used for surface coating.
a good abrasive.
an elastomer.
a polyester.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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