Polymer Technology __________ is a copolymer. PVC Poly tetra flouro ethylene Polyrophylene Nylon-66 PVC Poly tetra flouro ethylene Polyrophylene Nylon-66 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. Hydroflouric acid Organic peroxides None of these Sulphuric acid Hydroflouric acid Organic peroxides None of these Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting polymers as compared to thermoplastic polymers Are formed by addition polymerisation Have linear structure Have three dimensional structure None of these Are formed by addition polymerisation Have linear structure Have three dimensional structure None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Ion exchange resins are made of Lucite Polystyrene Sulphonated bakelite Teflon Lucite Polystyrene Sulphonated bakelite Teflon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cross linked polymers formed from bi-and trifuctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties. Thermoplastic Thermosetting Elastometric Brittleness Thermoplastic Thermosetting Elastometric Brittleness ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In step growth polymerisation, generally only one type of reaction & some basic mechanism is involved. Step growth polymerisation reaction is not involved in the manufacture of Phenol formaldehyde resins Polyesters Polyamides Cross linked polystyrene Phenol formaldehyde resins Polyesters Polyamides Cross linked polystyrene ANSWER DOWNLOAD EXAMIANS APP
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