Discussion
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- Question
Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as
Options- A. hardeners
- B. anti-shrinkage agents
- C. plasticisers
- D. transparency improver
- Correct Answer
- plasticisers
- 1. Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is
Options- A. Ni
- B. V2O5
- C. Fe
- D. aluminium triethyl combined with titanium tetrachloride Discuss
- 2. __________ is a natural fibre.
Options- A. Cellulose
- B. Dacron
- C. Nylon-6
- D. none of these Discuss
- 3. Buna-N is also called
Options- A. butyl rubber
- B. nitrile rubber
- C. neoprene
- D. thiokol Discuss
- 4. __________ is a thermosetting plastic.
Options- A. PVC
- B. Polythene
- C. Bakelite
- D. polystyrene Discuss
- 5. 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
- 6. Polypropylene is preferred to polythene, because the former is
Options- A. non-inflammable
- B. harder
- C. stronger
- D. both(b) & (c) Discuss
- 7. Alkyd resin is a/an
Options- A. polyamide
- B. polyester
- C. polyolefin
- D. addition polymer Discuss
- 8. Condensation polymerisation is not involved in the manufacture of
Options- A. teflon
- B. polythene
- C. terylene
- D. nylon Discuss
- 9. Glyptal used in the manufacture of paints & lacquers is a __________ polymer.
Options- A. polyamide
- B. polystyrene
- C. polyester
- D. polyacrylonitrile Discuss
- 10. Temperature maintained in the emulsion polymerisation reactor for PVC manufacture is about __________ ° C.
Options- A. -20
- B. 50
- C. 250
- D. 500 Discuss
Polymer Technology problems
Search Results
Correct Answer: aluminium triethyl combined with titanium tetrachloride
Correct Answer: Cellulose
Correct Answer: nitrile rubber
Correct Answer: Bakelite
Correct Answer: 150
Correct Answer: both(b) & (c)
Correct Answer: polyester
Correct Answer: polythene
Correct Answer: polyester
Correct Answer: 50
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