Polymer Technology A copolymer is formed by the combination of two or more monomer molecules In a chain without the elimination of water Of the same monomer by elimination of small molecules of water With the elimination of small amount of water None of these In a chain without the elimination of water Of the same monomer by elimination of small molecules of water With the elimination of small amount of water None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Reaction of dimethyl terephthalate (DMT) and ethylene glycol produces Polyester PVC Dacron Nylon-6 Polyester PVC Dacron Nylon-6 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is generally not used as eord for synthetic rubber tyre casing? Cellulose None of these Nylon Dacron Cellulose None of these Nylon Dacron ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of caprolac-tum is carried out in the reactor maintained at a temperature of __________ °C for producing nylon-6. -20 to 25 250-280 50 to 75 100 to 150 -20 to 25 250-280 50 to 75 100 to 150 ANSWER DOWNLOAD EXAMIANS APP
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. Sulphuric acid None of these Hydroflouric acid Organic peroxides Sulphuric acid None of these Hydroflouric acid Organic peroxides ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Due to its excellent permeability to air/gas and oxidation resistance, the tubes of automobile tyres is made of Buna S Cold SBR Butyl rubber Bunai N Buna S Cold SBR Butyl rubber Bunai N ANSWER DOWNLOAD EXAMIANS APP
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