Polymer Technology Which of the following is not a polyolefin? Polystyrene Neoprene Polypropylene None of these Polystyrene Neoprene Polypropylene None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from __________ resins. Melamine formaldehyde Epoxy Phenol formaldehyde Urea formaldehyde Melamine formaldehyde Epoxy Phenol formaldehyde Urea formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The only natural thermoplastic resin, which is a product of animal life is Rosin Shellac Copal Amber Rosin Shellac Copal Amber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plastic articles are normally produced by __________ moulding. Injection Green sand Dry sand Shell Injection Green sand Dry sand Shell ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Contact lenses for eyes are made of perspex, which is nothing but Unsaturated polyester Polypropylene Polymethylmethacrylate Polystyrene Unsaturated polyester Polypropylene Polymethylmethacrylate Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycaprolactum (Nylon - 6) is produced by the condensation polymerisation of caprolactum at 240-280°C in which the conversion of caprolactum is about __________ percent. 75 99 90 50 75 99 90 50 ANSWER DOWNLOAD EXAMIANS APP