Polymer Technology Addition of stabiliser during PVC manufacture is done to Improve its elasticity Reduce the melt viscosity & glass transition temperature Improve its impact strength Prevent its thermal degradation Improve its elasticity Reduce the melt viscosity & glass transition temperature Improve its impact strength Prevent its thermal degradation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres. Acrylic Polyester Polypropylene Nylon 6:6 Acrylic Polyester Polypropylene Nylon 6:6 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a condensation polymer? Bakelite Melamine polymer None of these Polymethylmethacrylate (PMMA) Bakelite Melamine polymer None of these Polymethylmethacrylate (PMMA) ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin can not be used for making Plasticiser Film forming materials Fibres Paint & varnish Plasticiser Film forming materials Fibres Paint & varnish ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Density of high density polythene is about __________ gm/c.c. 1.18 0.95 0.99 1.05 1.18 0.95 0.99 1.05 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Flexible foam (for mattresses) are usually made of Silicone rubber Polyamides Polyurethanes PVC Silicone rubber Polyamides Polyurethanes PVC ANSWER DOWNLOAD EXAMIANS APP
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