Polymer Technology Mcqs

This set of Engineering Multiple Choice Questions & Answers (MCQs) focuses on “ Polymer Technology ”. These Mcqs are chosen from a collection of most authoritative and best reference books on Chemical Engineering. Our aim is to prepare an individual for competitive exams like NTS, GAT, ECAT, University and College entrance exams, Jobs and interviews. One should practice our MCQS to assimilate Polymer Technology comprehensively.

  1. Home
  2. »
  3. Engineering
  4. »
  5. Chemical Engineering Mcqs
  6. »
  7. Polymer Technology Mcqs
  8. »
  9. Page 16

226.
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

227.
Polycaprolactam (Nylon – 6) is produced by the condensation polymerisation of caprolactam at 240-280°C in which the conversion of caprolactam is about ______________ percent?

50

75

90

99

228.
Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is_______________________?

Ni

V2O5

Fe

Aluminium triethyl combined with titanium tetrachloride

229.
Plastic articles are normally produced by _____________ moulding?

Green sand

Injection

Shell

Dry sand

230.
Temperature maintained in the emulsion polymerisation reactor for PVC manufacture is about ______________ ° C?

-20

50

250

500

231.
Diphenylamine is added to rubber to_________________?

Vulcanise it

Protect it from deterioration on exposure to air

Make it non-inflammable

Make it thermosetting

232.
Plastic tubes & pipes are generally made by ______________ moulding?

Injection

Transfer

Extrusion

Compression

233.
Which of the following is an elastomer ?

Thiokol

Phenol formaldehyde

Urea formaldehyde

Polystyrene

235.
Liners of bags are usually made of ____________________?

Polythene

PVC

Polypropylene

Polyesters

236.
Most commonly used rubber vulcanisation agent is __________________?

Sulphur

Bromine

Platinum

Alumina

237.
Thermocol (expanded polystyrene) is not used for __________________?

Low temperature thermal insulation as in refrigerator and air conditioners

Acoustic control and ceiling for building

High temperature thermal insulation in furnaces

Packing of delicate electronic gadgets

240.
Pick out the wrong statement ?

Cold SBR is superior as compared to hot SBR

Polymerisation temperature can modify the properties of SBR

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

None of these

error: You are not allowed to do so.....
0Shares
0
Scroll to Top