Polymer Technology __________ tubes are good substitude for human blood vessels onrheart by-pass operation. PVC Polystyrene Teflon/dacron Polythene PVC Polystyrene Teflon/dacron Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not an elastomer? Nitrile-butadiene Neoprene Polyisoprene None of these Nitrile-butadiene Neoprene Polyisoprene None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a natural polyamide fibre. Wool Cotton None of these Silk Wool Cotton None of these Silk ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Viscosity of a polymer solution or melt 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 Does not vary with temperature rise Increases with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of __________ produces bakelite. Phenol & formaldehyde Urea & formaldehyde Phenol & acetaldehyde Propylene Phenol & formaldehyde Urea & formaldehyde Phenol & acetaldehyde Propylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding Nitro cellulose Camphor Glycerol None of these Nitro cellulose Camphor Glycerol None of these ANSWER DOWNLOAD EXAMIANS APP