A. Thermoplastic
B. Thermosetting
C. Linear
D. Glass like transparent
Related Mcqs:
- Which of the following polymers are produced by employing all bulk polymerisation, solution polymerisation & suspension polymerisation technique of addition (chain) polymerisation ?
A. PVC
B. Bakelite
C. PTFE
D. Epoxy resin - Poly-methyl-methacrylate (PMMA) is known as_______________?
A. Bakelite
B. Teflon
C. Perspex
D. Nylon-6 - Which of the following is not the commercial name of poly-methyl-methacrylate (PMMA) ?
A. Perspex
B. Lucite
C. Plexiglass
D. Teflon - 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 - Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800 ?
A. 50000
B. 51600
C. 49200
D. 50800 - Poly-methyl-methacrylate, which is an acrylic resin, is also called ___________________?
A. Thiokol
B. Plexiglass or Lucite
C. Dacron
D. Teflon - 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 - In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is________________?
A. Terylene
B. Polybutadiene
C. PVC
D. Polypropylene - Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is __________________?
A. Nylon-66
B. Teflon
C. Polyester
D. Bakelite
Mcq Added by: admin