A. Cellulose
B. Lignin
C. Pentogens
D. None of these
Related Mcqs:
- Which of the following is a natural polyamide fiber?
A. Wool
B. Silk
C. Cotton
D. None of these - Which of the following is generally not drawn into fiber ?
A. Polyamide
B. Unsaturated polyesters
C. Saturated polyesters
D. Polyacrylonitrile - Which of the following is not a natural fiber ?
A. Silk
B. Viscose rayon
C. Wool
D. Cotton - Main constituent of cotton fiber is __________________?
A. Lignin
B. Cellulose
C. Starch
D. Gelatine - _____________ is not a polyester fiber?
A. Terylene
B. Dacron
C. Nylon
D. Polyacrylonitrile - _______________ is a natural fiber?
A. Cellulose
B. Dacron
C. Nylon-6
D. None of these - In nylon-66, the first and second numbers (i.e., 6) respectively designate the number of carbon atoms present in the_________________?
A. Hexamethylene diamine and the ring
B. Hexamethylene diamine and the adipic acid
C. Adipic acid and the ring
D. None of these - Which of the following is the most important rubber compounding ingredient which is used to improve wearing qualities of both natural rubber & SBR by imparting toughness ?
A. Phosphorous
B. Carbon black
C. Pine oil
D. Rosin - Which of the following is not a natural polymer ?
A. Nucleic acids e.g. RNA and DNA
B. Polysaccharides
C. Polyisoprene
D. Polyurethane - Which of the following is not a polyolefin ?
A. Polystyrene
B. Polypropylene
C. Neoprene
D. None of these
