Polymer Technology Addition of stabiliser during PVC manufacture is done to Reduce the melt viscosity & glass transition temperature Improve its elasticity Improve its impact strength Prevent its thermal degradation Reduce the melt viscosity & glass transition temperature Improve its elasticity Improve its impact strength Prevent its thermal degradation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosplastic materials Are heavily branched molecules Do not soften on application of heat Are solvent insoluble None of these Are heavily branched molecules Do not soften on application of heat Are solvent insoluble None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin can not be used for making Plasticiser Fibres Film forming materials Paint & varnish Plasticiser Fibres Film forming materials Paint & varnish ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation of bisphenol A with phosgene produces __________ which possess very good heat resistance. Polyester Polysulphone Polyurathane Polycarbonate Polyester Polysulphone Polyurathane Polycarbonate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Density of low density polythene is about __________ gm/c.c. 0.56 0.38 0.81 0.91 0.56 0.38 0.81 0.91 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Commercial production of polypropylene employs __________ polymerisation. Bulk Solution Suspension Emulsion Bulk Solution Suspension Emulsion ANSWER DOWNLOAD EXAMIANS APP