Polymer Technology Vulcanisation of raw rubber makes it Soft Plastic Tacky Less elastic Soft Plastic Tacky Less elastic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ tubes are good substitude for human blood vessels onrheart by-pass operation. Polystyrene Polythene PVC Teflon/dacron Polystyrene Polythene PVC Teflon/dacron ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is an inorganic polymer? Bakelite Teflon Perspex Silicones Bakelite Teflon Perspex Silicones ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of __________ produces bakelite. Urea & formaldehyde Phenol & formaldehyde Phenol & acetaldehyde Propylene Urea & formaldehyde Phenol & formaldehyde Phenol & acetaldehyde Propylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is Teflon Nylon-66 Bakelite Polyester Teflon Nylon-66 Bakelite Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser? Ethylene glycol Stearic acid estors Tricresyl phosphate Esters of phthalic acid Ethylene glycol Stearic acid estors Tricresyl phosphate Esters of phthalic acid ANSWER DOWNLOAD EXAMIANS APP