_______________ is a natural fiber?

Related Mcqs:

1. Which of the following is a natural polyamide fiber?

   A. Wool
   B. Silk
   C. Cotton
   D. None of these

2. Which of the following is not a natural fiber ?

   A. Silk
   B. Viscose rayon
   C. Wool
   D. Cotton

3. Main constituent of cotton fiber is __________________?

   A. Lignin
   B. Cellulose
   C. Starch
   D. Gelatine

4. _____________ is not a polyester fiber?

   A. Terylene
   B. Dacron
   C. Nylon
   D. Polyacrylonitrile

5. Which of the following is not present in bagasse fiber?

   A. Cellulose
   B. Lignin
   C. Pentogens
   D. None of these

6. Which of the following is generally not drawn into fiber ?

   A. Polyamide
   B. Unsaturated polyesters
   C. Saturated polyesters
   D. Polyacrylonitrile

7. Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of _______________ percent?

   A. 1-1000
   B. 1000-1500
   C. 1500-2000
   D. 2000-2500

8. Neoprene which is used for making shoe heels & belts is superior to natural rubber in its stability to aerial oxidation and resistance to oils & other solvents. The monomer used for making neoprene is_________________?

   A. Chloroethane
   B. Chloroprene
   C. Isoprene
   D. None of these

9. Styrene butadiene rubber (SBR) as compared to natural rubber has_______________?

   A. Poor tensile strength
   B. Poorer resistance
   C. Greater amount of heat build up heavy loading
   D. All A., B. and C.

10. The monomer of natural rubber is A. DMT ______________________?

    B. Isoprene
    C. 2 methyl-1 propane
    D. Both B. and C.