A. PTFE
B. Buna-S
C. PMMA
D. Polycaprolactam
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 - Acrylonitrile-butadiene-styrene (ABS) copolymer, which is produced by blending styreneacrylonitrile copolymer with butadiene based elastomer, is a/an__________________?
A. Rigid foam
B. Engineering plastic
C. Thermosetting polymer
D. Spongy rubber - 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 - Which of the following is not a polymer of two monomers ?
A. Teflon
B. Bakelite
C. SBR
D. None of these - 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 - The repeating units of PTFE are___________________?
A. Cl2CH-CH3
B. F2 C = CF2
C. F3 C-CF3
D. FClC = CF2 - Which of the following is a copolymer ?
A. PVC
B. Bakelite
C. Polythene
D. Teflon - A copolymer of vinyl and vinylidene chloride is called_____________________?
A. Treylene
B. Orlon
C. Saran
D. Dacron - A copolymer is formed by the combination of two or more monomer molecules_________________?
A. In a chain without the elimination of water
B. With the elimination of small amount of water
C. Of the same monomer by elimination of small molecules of water
D. None of these - ____________ is a copolymer?
A. Styrene butadiene rubber (SBR)
B. Neoprene
C. PVC
D. None of these
Mcq Added by: admin
