Polymer Technolgy MCQs

Question 1

Nylon-6 is manufactured from

Accepted Answer

Caprolactum

Answer

Adipic acid and hexamethylene diamine

Answer

Maleic anhydride and hexamethylene diamine

Answer

Sebasic acid and hexamethylene diamine

Question 2

The inter particle forces between linear chains in nylon-66 are __________ bonds.

Accepted Answer

Hydrogen

Answer

Covalant

Answer

Ionic

Answer

None of these

Question 3

Nylon-66 is a polyamide of

Accepted Answer

Hexamethylene diamine and adipic acid

Answer

Adipic acid and methyl amine

Answer

Vinyl chloride and formaldeyde

Answer

None of these

Question 4

Pick out the wrong statement.

Accepted Answer

None of these

Answer

Cold SBR is superior as compared to hot SBR

Answer

Polymerisation temperature can modify the properties of SBR

Answer

Production of cold SBR employs lower pressure as compared to that of hot SBR

Question 5

Nylon-66 is manufactured from

Accepted Answer

Adipic acid and hexamenthylene diamine

Answer

Caprolactum

Answer

Maleic anhydride and hexamethylene diamine

Answer

Dimethyl terephthalate (DMT) and ethylene glycol

Question 6

Polymerisation product of C 2 F 4 (carbon tetraflouride) is called P.T.F.E. (poly chloro tetra flouro ethylene). It is also called

Accepted Answer

Teflon

Answer

Polyurethane

Answer

Silicone rubber

Answer

Epoxy resin

Question 7

Rexin (also called artificial leather), which is used for making table cover, automobile seat cover, shoes etc. is made by coating thick cloth with molten

Accepted Answer

PVC

Answer

Teflon

Answer

Bakelite

Answer

SBR

Question 8

Low pressure Zeigler process of polythene manufacture

Accepted Answer

Achieves an yield of 95 - 98% based on ethylene

Answer

Employs a pressure of 30 kgf/cm 2

Answer

Produces very low density polythene

Answer

Does not use any catalyst for polymerisation

Question 9

Plastic articles are normally produced by __________ moulding.

Accepted Answer

Injection

Answer

Green sand

Answer

Shell

Answer

Dry sand