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.
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
Answer & Solution
No Solution for this Answer..! Report or Discus this Question
229. Plastic articles are normally produced by _____________ moulding?
Green sand
Injection
Shell
Dry sand
Answer & Solution
No Solution for this Answer..! Report or Discus this Question
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
Answer & Solution
No Solution for this Answer..! Report or Discus this Question
232. Plastic tubes & pipes are generally made by ______________ moulding?
Injection
Transfer
Extrusion
Compression
Answer & Solution
No Solution for this Answer..! Report or Discus this Question
233. Which of the following is an elastomer ?
Thiokol
Phenol formaldehyde
Urea formaldehyde
Polystyrene
234. ______________ is an addition polymer ?
Nylon
Bakelite
Polythene
None of these
Answer & Solution
No Solution for this Answer..! Report or Discus this Question
235. Liners of bags are usually made of ____________________?
Polythene
PVC
Polypropylene
Polyesters
Answer & Solution
No Solution for this Answer..! Report or Discus this Question
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
Answer & Solution
No Solution for this Answer..! Report or Discus this Question
238. Which of the following is not a polymer of two monomers ?
Teflon
Bakelite
SBR
None of these
239. Buna-S is also called____________________?
Polyurethane
SBR
Teflon
Bakelite
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
Answer & Solution
No Solution for this Answer..! Report or Discus this Question