Related Questions

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
Adipic acid is an intermediate in the manufacture of
A Perspex
B Nylon-66
C Polystyrene
D Bakelite
Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (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
Standard EDTA (ethylene diamine tetra acetic acid) solution is used to determine the
A Hardness in water
B Turbidity in water
C Dissolved oxygen in water
D Residual chlorine in water
Terylene is a condensation polymer of ethylene glycol and which acid?
A Benzoic Acid
B Salicylic acid
C Phthalic acid
D Terephthalic acid
The heat transfer co-efficient in film type condensation is __________ that for dropwise condensation.
A Greater than
B Lower than
C Is same as
D Half
__________ is not a condensation polymer.
A Teflon
B Nylon-66
C Dacron
D Polystyrene
Which of the following is not a condensation polymer?
A Bakelite
B Melamine polymer
C Polymethylmethacrylate (PMMA)
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
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

Next steps