Discussion
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- Question
Polycaprolactum is nothing but
Options- A. orlon
- B. nylon 6, 6
- C. nylon 6
- D. saran
- Correct Answer
- nylon 6
- 1. Rayon is superior to cotton in making gauge for wound treatment, because rayon
Options- A. is a synthetic polymer.
- B. does not stick to the wound unlike cotton.
- C. can absorb over 90% of its own weight of water.
- D. both (b) and (c). Discuss
- 2. Maximum consumption of polymers is in
Options- A. electrical insulation
- B. toys making
- C. coating and films
- D. packaging Discuss
- 3. Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m2. Which of the following polymers has the maximum film elongation (of the order of 100%)?
Options- A. Water impermeable cellophane
- B. Polythene
- C. Cellulose acetate
- D. Teflon Discuss
- 4. Pick out the wrong statement.
Options- A. Polystyrene is a thermoplastic polymer.
- B. Protein is a natural polymer.
- C. Neoprene is a natural rubber.
- D. Polythene is a copolymer, while SBR is a homopolymer. Discuss
- 5. Pick out the wrong statement.
Options- A. Polymeric fibres are never produced by addition polymerisation.
- B. Property of tackiness is exhibited by uncured rubber.
- C. Sharp melting point is not observed in thermoplastic polymers.
- D. Polythene generally has an excellent resistance to ultra violet rays. Discuss
- 6. Phenol formaldehyde is produced by condensation polymerisation. It is also known as
Options- A. teflon
- B. bakelite
- C. polyester
- D. nylon-66 Discuss
- 7. Which of the following is a natural polyamide fibre.
Options- A. Wool
- B. Silk
- C. Cotton
- D. None of these Discuss
- 8. Most commonly used rubber vulcanisation agent is
Options- A. sulphur
- B. bromine
- C. platinum
- D. alumina Discuss
- 9. Most of the plastics are safe to be used upto a maximum temperature of __________ °C.
Options- A. 100
- B. 150
- C. 350
- D. 450 Discuss
- 10. __________ is a thermosetting plastic.
Options- A. PVC
- B. Polythene
- C. Bakelite
- D. polystyrene Discuss
Polymer Technology problems
Search Results
Correct Answer: does not stick to the wound unlike cotton.
Correct Answer: coating and films
Correct Answer: Polythene
Correct Answer: Neoprene is a natural rubber.
Correct Answer: Polymeric fibres are never produced by addition polymerisation.
Correct Answer: bakelite
Correct Answer: Wool
Correct Answer: sulphur
Correct Answer: 150
Correct Answer: Bakelite
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