Polymer Technology Plastic tubes & pipes are generally made by __________ moulding. Injection Compression Extrusion Transfer Injection Compression Extrusion Transfer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Bakelite (phenol-formaldehyde) resin can not be used as Electrical insulation Decorative paint Glass reinforced plastics Decorative laminates Electrical insulation Decorative paint Glass reinforced plastics Decorative laminates ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl chloride (PVC) Is produced by polycondensation reaction Softening temperature is 200°C Uses either emulsion or suspension polymerisation methods Can be made thermosetting by adding a plasticiser Is produced by polycondensation reaction Softening temperature is 200°C Uses either emulsion or suspension polymerisation methods Can be made thermosetting by adding a plasticiser ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rexin (also called artificial leather), which is used for making table cover, automobile seat cover, shoes etc. is made by coating thick cloth with molten Bakelite SBR PVC Teflon Bakelite SBR PVC Teflon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of stabiliser during PVC manufacture is done to Improve its impact strength Improve its elasticity Reduce the melt viscosity & glass transition temperature Prevent its thermal degradation Improve its impact strength Improve its elasticity Reduce the melt viscosity & glass transition temperature Prevent its thermal degradation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Contact lenses for eyes are made of perspex, which is nothing but Polypropylene Polymethylmethacrylate Unsaturated polyester Polystyrene Polypropylene Polymethylmethacrylate Unsaturated polyester Polystyrene ANSWER DOWNLOAD EXAMIANS APP