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Chemical Engineering - Polymer Technology

Exercise : Polymer Technology - Section 2
41.
Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m2. Which of the following polymers has the maximum film elongation (of the order of 100%) ?
Water impermeable cellophane
Polythene
Cellulose acetate
Teflon
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
Viscosity of a polymer solution or melt
decreases with increase in molecular weight.
decreases with increase in temperature.
increases with increase in temperature.
does not vary with temperature rise.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
Which of the following is not a polymer of two monomers ?
Teflon
Bakelite
SBR
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
β - glucose is the monomer of
cellulose
starch
protein
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
Which of the following polymers shows the highest anti-tacking properties ?
Melamine formaldehyde resin
Phenolic resin
Epoxy resin
Alkyd resin
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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