Chemical Engineering - Polymer Technology

6.
Polymerisation process in which two or more monomers of chemically different nature take part is called
copolymerisation
addition polymerisation
chain polymerisation
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

7.
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 ?
50000
51600
49200
50800
Answer: Option
Explanation:
No answer description is available. Let's discuss.

8.
Condensation of bisphenol A with phosgene produces __________ which possess very good heat resistance.
polyurathane
polysulphone
polycarbonate
polyester
Answer: Option
Explanation:
No answer description is available. Let's discuss.

9.
Which of the following types of polymers has the strongest inter particle forces ?
Elastomers
Fibres
Thermoplastics
Thermosetting polymers
Answer: Option
Explanation:
No answer description is available. Let's discuss.

10.
A copolymer of vinyl and vinylidine chloride is called
treylene
orlon
saran
dacron
Answer: Option
Explanation:
No answer description is available. Let's discuss.