Polymer Technology __________ tubes are good substitude for human blood vessels onrheart by-pass operation. Polythene Teflon/dacron Polystyrene PVC Polythene Teflon/dacron Polystyrene PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymethyl methacrylate, which is an acrylic resin, is also called Plexiglass or lucite Thiokol Teflon Dacron Plexiglass or lucite Thiokol Teflon Dacron ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids? Proteins Starch Nucleic acids Cellulose Proteins Starch Nucleic acids Cellulose 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? Esters of phthalic acid Ethylene glycol Stearic acid estors Tricresyl phosphate Esters of phthalic acid Ethylene glycol Stearic acid estors Tricresyl phosphate 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 Isoprene Chlorophrene None of these Chloroethane Isoprene Chlorophrene None of these Chloroethane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as Transparency improver Anti-shrinkage agents Plasticisers Hardeners Transparency improver Anti-shrinkage agents Plasticisers Hardeners ANSWER DOWNLOAD EXAMIANS APP
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