IndiaBIX

Chemical Engineering - Polymer Technology

Exercise : Polymer Technology - Section 2
16.
Pick out the correct statement.
Plastics are good conductors of heat and electricity.
All the polymers are highly crystalline in nature
Polymers can be vaporised by heating to a very high temperature.
The liquid polymer becomes greasy, then waxy and finally solid on increasing the degree of polymerisation.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
Condensation polymerisation is not involved in the manufacture of
teflon
polythene
terylene
nylon
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
Glyptal used in the manufacture of paints & lacquers is a __________ polymer.
polyamide
polystyrene
polyester
polyacrylonitrile
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
Addition of stabiliser during PVC manufacture is done to
improve its impact strength.
improve its elasticity.
reduce the melt viscosity & glass transition temperature.
prevent its thermal degradation.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
Which of the following is not a polyolefin ?
Polystyrene
Polypropylene
Neoprene
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers