Synthetic polymer produced by using terephthalic acid and ethylene glycol is _________________?

Related Mcqs:

1. Melt spinning of polymers involves the forcing of polymer melt through spinnerates (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the _____________ fibres?

   A. Acrylic B. Polyester C. Nylon 6:6 D. Polypropylene...

2. Reaction of dimethyl terephthalate (DMT) and ethylene glycol produces________________?

   A. Nylon-6 B. Dacron C. Polyester D. PVC...

3. In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament form. Dry spinning is used for _______________ fibres?

   A. Polythene B. PVC C. Rayon D. Polyvinyl acetate...

4. In a cross linked polymer, the monomeric units are linked together to constitute a three dimensional network. Which of the following is a cross-linked polymer ?

   A. Bakelite (phenol formaldehyde) B. Polyester C. Polythene D. Nylon-6...

5. The synthetic fibres produced from _____________ are known as rayon?

   A. Lignin B. Cellulose C. Polyamides D. Ethylene glycol...

6. 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...

7. Polymethyl methacrylate (PMMA) which is also known as Perspex and is produced by bulk polymerisation of methyl methacrylate is not a ______________ polymer?

   A. Thermoplastic B. Thermosetting C. Linear D. Glass like transparent...

8. _____________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate?

   A. Fibrous B. Leathery C. Rubbery D. Hard...

9. Viscosity of a polymer solution or melt _________________?

   A. Decreases with increase in molecular weight B. Decreases with increase in temperature C. Increases with increase in temperature D. Does not vary with temperature rise...

10. Which of the following is generally not used as eord for synthetic rubber tyre casing ?

    A. Dacron B. Nylon C. Cellulose D. None of these...