Polymer Technology Hot drink (e.g, tea) cups are usually made of PVC Polystyrene Polythene Polypropylene PVC Polystyrene Polythene Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl chloride (PVC) Can be made thermosetting by adding a plasticiser Uses either emulsion or suspension polymerisation methods Softening temperature is 200°C Is produced by polycondensation reaction Can be made thermosetting by adding a plasticiser Uses either emulsion or suspension polymerisation methods Softening temperature is 200°C Is produced by polycondensation reaction ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plastic articles are normally produced by __________ moulding. Injection Dry sand Green sand Shell Injection Dry sand Green sand Shell ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene butadiene rubber is commercially manufactured by Bulk polymerisation Suspension polymerisation Solution polymerisation Emulsion polymerisation Bulk polymerisation Suspension polymerisation Solution polymerisation Emulsion polymerisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymethyl methacrylate, which is an acrylic resin, is also called Dacron Teflon Thiokol Plexiglass or lucite Dacron Teflon Thiokol Plexiglass or lucite ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most of the fibre forming polymers are crystalline in nature, one of the exceptions being __________ which is amorphous in nature. Polyacrylonitrile Polyester Polypropylene Nylon Polyacrylonitrile Polyester Polypropylene Nylon ANSWER DOWNLOAD EXAMIANS APP