SCIENTIFIC OFFICER QUESTION PAPER

1. Which of the following is a cultivated silk ?
 (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

Popular Posts

KANNADA GRAMMAR PDF.

2nd YEAR GNM QUESTION PAPERS

B.SC 2ND YEAR CHEMISTRY QUESTION PAPERS

BSC. FIRST YEAR QUESTION PAPERS- KUVEMPU UNIVERSITY

MA QUESTION PAPERS- KUVEMPU UNIVERSITY

FIRST YEAR BA HISTORY QUESTION PAPERS

KPSC SDA Exam Question Paper with Answer 2019

KSOU OLD QUESTION PAPERS

3rd YEAR BA OLD QUESTION PAPERS

MA KANNADA PREVIOUS YEAR QUESTION PAPERS