Glyptal used in the manufacture of paints & lacquers is a _____________ polymer?

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. 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...

3. 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...

4. Alkyd resin e.g., glyptal resin formed by Phthalic anhydride and glycerine is not used_______________?

   A. For surface coating of automobiles & air crafts B. For fibre making C. As plasticiser for PVC & nitrocellulose D. For film forming materials...

5. In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the _____________ fibres?

   A. Viscose rayon B. Acrylic C. Polyvinyl acetate D. Saturated polyester...

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

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

7. ____________ polymer is used for making unbreakable crockery?

   A. Thermoplastic B. Melamine C. Addition D. None of these...

8. 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...

9. _______________________ is not a condensation polymer ?

   A. Teflon B. Nylon-66 C. Dacron D. Polystyrene...

10. ______________ is an addition polymer ?

    A. Nylon B. Bakelite C. Polythene D. None of these...