Polymer Technology Styrene butadiene rubber (SBR) is never used for making Front wheel tyres of aeroplanes (i.e., heavy duty tyres) Coated fabrics Soles of shoes Gaskets Front wheel tyres of aeroplanes (i.e., heavy duty tyres) Coated fabrics Soles of shoes Gaskets ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Softening point of high density polythene is about __________ °C. 165 135 85 205 165 135 85 205 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Neoprene which is used for making shoe heels & belts is superior to natural rubber in its stability to aerial oxidation and resistance to oils & other solvents. The monomer used for making neoprene is Chloroethane None of these Isoprene Chlorophrene Chloroethane None of these Isoprene Chlorophrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron is a Thermosetting material None of these Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol Condensation polymerisation product of hexamethylene diamine and adipic acid Thermosetting material None of these Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol Condensation polymerisation product of hexamethylene diamine and adipic acid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The rate controlling step in the manufacture of silicone rubber is the Polymer termination step Condensation of siloxane to silicone None of these Initial hydrolysis of silicone monomer Polymer termination step Condensation of siloxane to silicone None of these Initial hydrolysis of silicone monomer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at 3:1 2:1 1:3 1:2 3:1 2:1 1:3 1:2 ANSWER DOWNLOAD EXAMIANS APP