Polymer Technology Addition of stabiliser during PVC manufacture is done to Reduce the melt viscosity & glass transition temperature Improve its elasticity Prevent its thermal degradation Improve its impact strength Reduce the melt viscosity & glass transition temperature Improve its elasticity Prevent its thermal degradation Improve its impact strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The only natural thermoplastic resin, which is a product of animal life is Rosin Amber Copal Shellac Rosin Amber Copal Shellac 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 Buckets Pipes Filaments Tubings Buckets Pipes Filaments Tubings ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Bakelite is a/an Addition polymer None of these Elastomer Thermoplastic Addition polymer None of these Elastomer Thermoplastic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In condensation polymerisation as compared to addition polymerisation The monomers contain two functional groups The monomers are unsaturated compounds Generally only one monomer is involved No co-product is lost The monomers contain two functional groups The monomers are unsaturated compounds Generally only one monomer is involved No co-product is lost ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser? Esters of phthalic acid Stearic acid estors Ethylene glycol Tricresyl phosphate Esters of phthalic acid Stearic acid estors Ethylene glycol Tricresyl phosphate ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS