GATE 2015 - Textile and Fibre Science Online Practice Test Paper 2
1. The fibre that contains nitrogen and sulfur is
- A. Polyester
- B. Wool
- C. Nylon 6
- D. Kevlar
Answer: Option B
Explanation:
-NA-
2. Condensation polymerization is not used to produce
- A. Polyester
- B. Nylon 6
- C. Nylon 66
- D. Polypropylene
Answer: Option D
Explanation:
-NA-
3. Wet spinning technique is commercially used to produce filament yarn of
- A. Polypropylene
- B. Polyester
- C. Nylon 66
- D. Acrylic
Answer: Option D
Explanation:
-NA-
4. The fibre that dissolves in 59% (w/w) sulfuric acid solution is
- A. Wool
- B. Polypropylene
- C. Cotton
- D. Viscose
Answer: Option D
Explanation:
-NA-
5. Surface features of a fibre can be obtained by
- A. Transmission electron microscope
- B. Scanning electron microscope
- C. Small angle X-ray diffractometer
- D. Sonic modulus tester
Answer: Option B
Explanation:
-NA-
