Polymer Technology Which of the following polymers are produced by employing all bulk polymerisation, solution polymerisation & suspension polymerisation technique of addition (chain) polymerisation? Epoxy resin PVC Bakelite PTFE Epoxy resin PVC Bakelite PTFE ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycaprolactum is Nylon-6 Rayon Dacron Nylon-66 Nylon-6 Rayon Dacron Nylon-66 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The only natural thermoplastic resin, which is a product of animal life is Shellac Rosin Copal Amber Shellac Rosin Copal Amber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of stabiliser during PVC manufacture is done to Prevent its thermal degradation Improve its elasticity Improve its impact strength Reduce the melt viscosity & glass transition temperature Prevent its thermal degradation Improve its elasticity Improve its impact strength Reduce the melt viscosity & glass transition temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural polymer? Polysaccharides Nucleic acids e.g. RNA and DNA Polyisoprene Polyurethane Polysaccharides Nucleic acids e.g. RNA and DNA Polyisoprene Polyurethane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin e.g., glyptal resin formed by phthalic anhydride and glycerene is not used For film forming materials For fibre making As plasticiser for PVC & nitrocellulose For surface coating of automobiles & air crafts For film forming materials For fibre making As plasticiser for PVC & nitrocellulose For surface coating of automobiles & air crafts ANSWER DOWNLOAD EXAMIANS APP
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