Most of the fibre forming polymers are crystalline in nature, one of the exceptions being ______________ which is amorphous in nature?

A. Soft
B. Less elastic
C. Plastic
D. Tacky

A. Chloroethane
B. Ethylene dichloride
C. Ethyl chloride
D. Chloroform

A. Adipic acid and Hexamethylene diamine
B. Caprolactam
C. Maleic anhydride and Hexamethylene diamine
D. Dimethyl terephthalate (DMT) and ethylene glycol

A. Nylon-6
B. Nylon-66
C. Dacron
D. Rayon

A. Addition polymer
B. Condensation polymer
C. Polyester
D. Both B. and C.

A. Blow moulding
B. Vacuum thermo forming
C. Injection moulding
D. None of these