Pick out the wrong statement.
A. Denier is defined as weight in gm of 9000 metres length of a fibre, while tex is defined as weight in gm of 1000 metres length of fibre
B. Crimp is a measure of the difference between the length of the straightened and unstraightend fibre
C. Dacron fibres, acrylic fibres, viscose rayon fibres & cellulose acetate fibres are all prepared by wet spinning
D. Nylon fibres have greater water absorption capacity than polyester fibres
Answer: Option C
This Question Belongs to Chemical Engineering >> Polymer Technology
Condensation polymerisation of __________ produces bakelite.
A. Propylene
B. Phenol & formaldehyde
C. Phenol & acetaldehyde
D. Urea & formaldehyde
Polymethyl methacrylate, which is an acrylic resin, is also called
A. Thiokol
B. Plexiglass or lucite
C. Dacron
D. Teflon
A. Improving the stretchability
B. Dyeing/colouring
C. Detergent solution washing
D. Glycol soaking
__________ scrap can be recycled & reutilised.
A. Bakelite
B. Epoxy resin
C. Polythene
D. None of these
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