Discussion
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- Question
Plasticisers are added to synthetic plastics to
Options- A. impart flexibility.
- B. improve workability during fabrication.
- C. develop new improved properties not present in the original resin.
- D. all (a), (b) and (c).
- Correct Answer
- all (a), (b) and (c).
- 1. Celluloid is
Options- A. cellulose acetate
- B. regenerated cellulose
- C. cellulose nitrate
- D. cellulose acetate butyrate Discuss
- 2. The monomer of poly vinyl chloride (PVC) is
Options- A. chloroethene
- B. ethylene dichloride
- C. ethyl chloride
- D. chloroform Discuss
- 3. Neoprene is chemically known as
Options- A. polybutandiene
- B. styrene butadiene rubber (SBR)
- C. polyurethane
- D. poly chloroprene Discuss
- 4. Reaction of dimethyl terephthalate (DMT) and ethylene glycol produces
Options- A. nylon-6
- B. dacron
- C. polyester
- D. PVC Discuss
- 5. __________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine.
Options- A. Epoxy
- B. Amino
- C. Alkyd
- D. Phenolic Discuss
- 6. Which of the following polymers has the tendency of decomposing before melting?
Options- A. Polystyrene
- B. Nylon
- C. PVC
- D. None of these Discuss
- 7. The main use of butadiene is
Options- A. as a plasticiser for unsaturated polyester.
- B. in the manufacture of synthetic rubber.
- C. as an anti-skimming agent in paint.
- D. none of these. Discuss
- 8. Nitrile rubber is produced by the polymerisation of
Options- A. acrylonitrile & butadiene.
- B. acrylonitrile & styrene.
- C. isobutylene & isoprene.
- D. none of these. Discuss
- 9. Which of the following is generally not used as eord for synthetic rubber tyre casing?
Options- A. Dacron
- B. Nylon
- C. Cellulose
- D. None of these Discuss
- 10. Lavatory cisterns are normally made of
Options- A. expanded polystyrene
- B. saturated polyester
- C. perspex
- D. PVC Discuss
Polymer Technology problems
Search Results
Correct Answer: cellulose nitrate
Correct Answer: chloroethene
Correct Answer: poly chloroprene
Correct Answer: dacron
Correct Answer: Amino
Correct Answer: PVC
Correct Answer: in the manufacture of synthetic rubber.
Correct Answer: acrylonitrile & butadiene.
Correct Answer: Cellulose
Correct Answer: expanded polystyrene
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