Polymer Technology In step growth polymerisation, generally only one type of reaction & some basic mechanism is involved. Step growth polymerisation reaction is not involved in the manufacture of Cross linked polystyrene Polyamides Polyesters Phenol formaldehyde resins Cross linked polystyrene Polyamides Polyesters Phenol formaldehyde resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cation exchange resins used in water treatment is made from __________ resin. Epoxy Amino Urea formaldehyde Phenolic Epoxy Amino Urea formaldehyde Phenolic 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 Vinyl polymers Polyamides Siloxane elastomers Urea-formaldehyde resins Vinyl polymers Polyamides Siloxane elastomers Urea-formaldehyde resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Commercial production of polypropylene employs __________ polymerisation. Bulk Suspension Solution Emulsion Bulk Suspension Solution Emulsion ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Typical solvent polymerisation reaction conditions for the production of high density polythene by Zeigler process is 1000 kgf/cm² and 100°C 7 kgf/cm² and 70 °C 1 kgf/cm² (gage) and 70°C 7 kgf/cm² and 700°C 1000 kgf/cm² and 100°C 7 kgf/cm² and 70 °C 1 kgf/cm² (gage) and 70°C 7 kgf/cm² and 700°C 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
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