A. Cellulose acetate
B. Polyvinyl acetate
C. Thiokol
D. PVC
Related Mcqs:
- 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 - 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 - 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 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 - Molecular weight of polymers are in the range of__________________?
A. 10 to 103
B. 102-107
C. 107-109
D. 109-1011 - Which of the following is an inorganic polymer ?
A. Teflon
B. Perspex
C. Silicones
D. Bakelite - 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 - In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer ?
A. PTFE
B. Buna-S
C. PMMA
D. Polycaprolactam - Which of the following is not a condensation polymer ?
A. Bakelite
B. Melamine polymer
C. Poly-methyl-methacrylate (PMMA)
D. None of these - Which of the following is not a polymer of two monomers ?
A. Teflon
B. Bakelite
C. SBR
D. None of these
