Discussion
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- Question
Branched chain polymers compared to linear polymers have higher
Options- A. density.
- B. tensile strength.
- C. melting point.
- D. degree of irregularity in atomic packing.
- Correct Answer
- degree of irregularity in atomic packing.
- 1. Polymerisation of poly functional monomers produces polymers having
Options- A. good machanical strength
- B. low viscosity
- C. low melting point
- D. none of these Discuss
- 2. Which of the following is the lowest cost plastic commercially available?
Options- A. Polythene
- B. Teflon
- C. Bakelite
- D. PVC Discuss
- 3. Most of the fibre forming polymers are crystalline in nature, one of the exceptions being __________ which is amorphous in nature.
Options- A. nylon
- B. polyacrylonitrile
- C. polypropylene
- D. polyester Discuss
- 4. Phenol formaldehyde
Options- A. employs addition polymerisation.
- B. employs condensation polymerisation.
- C. is a monomer.
- D. is an abrasive material. Discuss
- 5. Thermosetting materials
Options- A. are cross-linked molecules.
- B. soften on application of heat.
- C. are solvent soluble.
- D. none of these. Discuss
- 6. Polyurathane can not be used to make
Options- A. automobile cushion
- B. thermal insulation in refrigerator
- C. coating and adhesive
- D. fibre reinforced plastic (FRP) Discuss
- 7. __________ practically possess no elasticity.
Options- A. Vulcanite or ebonite
- B. Spandex fibre
- C. Polysulphide rubber
- D. Epoxy resin Discuss
- 8. Rexin (also called artificial leather), which is used for making table cover, automobile seat cover, shoes etc. is made by coating thick cloth with molten
Options- A. teflon
- B. bakelite
- C. SBR
- D. PVC Discuss
- 9. Which of the following is not an elastomer?
Options- A. Polyisoprene
- B. Neoprene
- C. Nitrile-butadiene
- D. None of these Discuss
- 10. Which of the following polymers are produced by employing all bulk polymerisation, solution polymerisation & suspension polymerisation technique of addition (chain) polymerisation?
Options- A. PVC
- B. Bakelite
- C. PTFE
- D. Epoxy resin Discuss
Polymer Technology problems
Search Results
Correct Answer: good machanical strength
Correct Answer: Polythene
Correct Answer: polyacrylonitrile
Correct Answer: employs condensation polymerisation.
Correct Answer: are cross-linked molecules.
Correct Answer: fibre reinforced plastic (FRP)
Correct Answer: Vulcanite or ebonite
Correct Answer: PVC
Correct Answer: None of these
Correct Answer: PVC
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