Polymer Fusion Technology Objective Questions - Set 13 - ObjectiveBooks

Polymer Fusion Technology Objective Questions - Set 13

Practice Test: Question Set - 13

1. Which of the following is a polymer of Hexamethylene diamine and adipic acid?
    (A) Nylon-6
    (B) Nylon-66
    (C) Nylon-6, 10
    (D) Epoxy resin

2. Condensation of bisphenol A with phosgene produces __________ which possess very good heat resistance.
    (A) Polyurethane
    (B) Polysulfone
    (C) Polycarbonate
    (D) Polyester

3. __________ is a thermosetting plastic.
    (A) PVC
    (B) Polythene
    (C) Bakelite
    (D) Polystyrene

4. Which of the following low molecular weight (<104), soft & waxy polymer is used in ‘chewing gum’?
    (A) Cellulose acetate
    (B) Polyvinyl acetate
    (C) Thiokol
    (D) PVC

5. Vulcanization of rubber does not increase its
    (A) Elasticity
    (B) Plasticity
    (C) Ductility
    (D) None of these

6. Dacron is a/an
    (A) Addition polymer
    (B) Condensation polymer
    (C) Polyester
    (D) Both (b) and (c)

7. Phenol formaldehyde is produced by condensation polymerization. It is also known as
    (A) Teflon
    (B) Bakelite
    (C) Polyester
    (D) Nylon-66

8. Dacron (or Treylene) fibres as compared to nylon fibres have
    (A) Better heat & acid resistant properties
    (B) Poorer resistance to alkalis
    (C) Poorer dyeability
    (D) All (a), (b) and (c)

9. Vulcanization of rubber does not increase its
    (A) Softness
    (B) Oxidation resistance
    (C) Weight & strength
    (D) Elasticity & water solubility

10. The major component of acrylic fibres is
    (A) Polyamides
    (B) Polyolefins
    (C) Polyacrylonitrile
    (D) Polyesters

11. __________ is a natural fibre.
    (A) Cellulose
    (B) Dacron
    (C) Nylon-6
    (D) None of these

12. Zeigler - Natta catalyst (AlR3 - AlCl3) is used in the polymerization of
    (A) Vinyl acetate
    (B) Vinyl chloride
    (C) Propylene
    (D) Styrene

13. Synthetic rubber
    (A) Deforms, if stretched to double of its original dimension
    (B) Is brittle at low temperature
    (C) Is softer at higher temperature
    (D) Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases

14. __________ is produced by polymerization of chloroprene.
    (A) Thiokol (a polysulphide rubber)
    (B) Butyl rubber
    (C) Neoprene
    (D) Polyurethane rubber

15. Which of the following is a natural polyamide fibre?
    (A) Wool
    (B) Silk
    (C) Cotton
    (D) None of these

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