Polymer Technology Viscosity of a polymer solution or melt Does not vary with temperature rise Increases with increase in temperature Decreases with increase in temperature Decreases with increase in molecular weight Does not vary with temperature rise Increases with increase in temperature Decreases with increase in temperature Decreases with increase in molecular weight ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Contact lenses for eyes are made of perspex, which is nothing but Polystyrene Polymethylmethacrylate Unsaturated polyester Polypropylene Polystyrene Polymethylmethacrylate Unsaturated polyester Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Softening point of high density polythene is about __________ °C. 205 165 85 135 205 165 85 135 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is produced by polymerisation of chloroprene. Neoprene Thiokol (a polysulphide rubber) Polyurathane rubber Butyl rubber Neoprene Thiokol (a polysulphide rubber) Polyurathane rubber Butyl rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of __________ produces bakelite. Propylene Phenol & formaldehyde Urea & formaldehyde Phenol & acetaldehyde Propylene Phenol & formaldehyde Urea & formaldehyde Phenol & acetaldehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ tubes are good substitude for human blood vessels onrheart by-pass operation. Polythene Teflon/dacron PVC Polystyrene Polythene Teflon/dacron PVC Polystyrene ANSWER DOWNLOAD EXAMIANS APP