(1) Taltar
(2) Eri
(3) Mulberry
(4) Muga
Answer: (3) Mulberry
2. Which of the following is a multicellular fibre ?
(1) Wool (2) Silk
(3) Flax (4) Tencel
Answer: (3) Mulberry
3. The raw material used in the manufacture of Nylon 66 is
(1) Castor oil
(2) Adipic acid
(3) Caprolactum
(4) Ethylene glycol
Answer: (3) Mulberry
4. A good fibre forming polymer should not have
(1) High Inter-molecular interaction
(2) High degree of polymerisation
(3) Linear polymeric chain
(4) Branched polymeric chain
Answer: (3) Mulberry
5. A primary property of a textile fibre which refers to adequate strength is
(1) Flexibility
(2) Density
(3) Cohesiveness
(4) Tenacity
Answer: (4) Tenacity
6. The secondary property of a textile fibre is
(1) strength
(2) flexibility
(3) uniformity
(4) luster
Answer: (4) luster
7. Medula is associated with
(1) Jute
(2) Cotton
(3) Wool
(4) Silk
Answer: (3) Wool
8. The fibre that dissolves in 59% (W/V) sulphuric acid solution is
(1) Polyester
(2) Viscose
(3) Polypropylene
(4) Nylon 66
Answer: (2) Viscose
9. The fibre that will float on water is
(1) Glass
(2) Carbon
(3) Nylon
(4) Polypropylene
Answer: (4) Polypropylene
10. The range of spinning speed (m/min) used in the manufacture of partially oriented polyester yarn is
(1) 1000 – 1200
(2) 2000 – 2500
(3) 4000 – 6000
(4) 2800 – 3500
Answer: (4) 2800 – 3500
11. Lyocell is a
(1) protein fibre
(2) polyamide fibre
(3) cellulosic fibre
(4) polyester fibre
Answer: (3) cellulosic fibre
12. Texturizing is the process that introduce
(1) Crimps
(2) Zigzag shaping
(3) Coils
(4) All of the above
Answer: (4) All of the above
13. Spinneret having annular holes produces
(1) Hallow fibre
(2) Trilobal fibre
(3) Micro fibre
(4) Bicomponent fibre
Answer: (1) Hallow fibre
14. Most versatile yarn is produced by
(1) OE frame
(2) DREF
(3) Ring frame
(4) Airjet frame
Answer: (3) Ring frame
15. Most of the seed coat particles are removed in
(1) Draw frame
(2) Carding
(3) Comber
(4) Blow room
Answer: (2) Carding