Polymer Technology Styrene butadiene rubber (SBR) as compared to natural rubber has All of these Poorer resistance Greater amount of heat build up heavy loading Poor tensile strength All of these Poorer resistance Greater amount of heat build up heavy loading Poor tensile strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most commonly used rubber vulcanisation agent is Platinum Alumina Sulphur Bromine Platinum Alumina Sulphur Bromine ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate. Leathery Hard Fibrous Rubbery Leathery Hard Fibrous Rubbery ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Neoprene is rendered non-inflammable, because of The presence of chlorine atoms in its monomer Its cross-linked structure The absence of chlorine atoms in its monomer Its linear chain structure The presence of chlorine atoms in its monomer Its cross-linked structure The absence of chlorine atoms in its monomer Its linear chain structure ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is PVC Polypropylene Polybutadiene Terylene PVC Polypropylene Polybutadiene Terylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The monomer of natural rubber is 2 methyl-1-propene Isoprene Both B and C DMT 2 methyl-1-propene Isoprene Both B and C DMT ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS