A. Terylene
B. Nylon-66
C. PVC
D. Polystyrene
Related Mcqs:
- 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 - Reaction of dimethyl terephthalate (DMT) and ethylene glycol produces________________?
A. Nylon-6
B. Dacron
C. Polyester
D. PVC - 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 - 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 - The synthetic fibres produced from _____________ are known as rayon?
A. Lignin
B. Cellulose
C. Polyamides
D. Ethylene glycol - 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 - 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 - _____________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate?
A. Fibrous
B. Leathery
C. Rubbery
D. Hard - 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 - 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
