Polymer Technology Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m². Which of the following polymers has the maximum film elongation (of the order of 100%) ? Polythene Water impermeable cellophane Cellulose acetate Teflon Polythene Water impermeable cellophane Cellulose acetate Teflon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural polymer? Polyurethane Polyisoprene Polysaccharides Nucleic acids e.g. RNA and DNA Polyurethane Polyisoprene Polysaccharides Nucleic acids e.g. RNA and DNA ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology All thermoplastic, thermosetting & elastic materials can be processed in a extrusion machine, however it can not be used for the production of plastic Tubings Buckets Filaments Pipes Tubings Buckets Filaments Pipes ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a copolymer? Bakelite Teflon PVC Polythene Bakelite Teflon PVC Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Trade name of __________ is neoprene. Poly vinyl acetate Polytetraflouroethylene Polychloroprene Polyisoprene Poly vinyl acetate Polytetraflouroethylene Polychloroprene Polyisoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology A chain growth polymerisation reaction consists of three different types of reaction namely initiation reaction, propagation reaction & termination reaction. Chain growth polymerisation reaction is not involved in the manufacture of Siloxane elastomers Urea-formaldehyde resins Vinyl polymers Polyamides Siloxane elastomers Urea-formaldehyde resins Vinyl polymers Polyamides ANSWER DOWNLOAD EXAMIANS APP