Polymer Technology Addition polymerisation takes place either by a free radical mechanism or ionic machanism depending on the reagents used. Free radical polymerisation is catelyzed by __________ , which decompose to give free radicals. Organic peroxides Hydroflouric acid None of these Sulphuric acid Organic peroxides Hydroflouric acid None of these Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Collapsible tubes for tooth paste are produced by __________ extrusion. Indirect Direct Impact None of these Indirect Direct Impact None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Mastication of rubber means A treatment to retard its deterioration due to oxidation Its softening Improving its curing rate Depression of its freezing point A treatment to retard its deterioration due to oxidation Its softening Improving its curing rate Depression of its freezing point ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyhexamethylene adipimide is also known as Bakelite Silicone rubber Nylon-66 Epoxy resin Bakelite Silicone rubber Nylon-66 Epoxy resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Reaction of dimethyl terephthalate (DMT) and ethylene glycol produces Dacron Polyester Nylon-6 PVC Dacron Polyester Nylon-6 PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Branched chair polymers as compared to linear polymers have Lower density Higher tensile strength None of these Higher melting point Lower density Higher tensile strength None of these Higher melting point ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS