Polymer Technology Synthetic rubber Deforms, if stretched to double of its original dimension Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is brittle at low temperature Is softer at higher temperature Deforms, if stretched to double of its original dimension Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is brittle at low temperature Is softer at higher temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Buna-N is also called Butyl rubber Nitrile rubber Thiokol Neoprene Butyl rubber Nitrile rubber Thiokol Neoprene 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. Thermosetting Brittleness Thermoplastic Elastometric Thermosetting Brittleness Thermoplastic Elastometric ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher Hardness, rigidity & brittleness Densities Melting point Tensile strength Hardness, rigidity & brittleness Densities Melting point Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Ebonite is a/an Unvulcanised raw rubber Adhesive Highly vulcanised rubber Natural rubber Unvulcanised raw rubber Adhesive Highly vulcanised rubber Natural rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl alcohol is used as a Cation/anion exchanger Water soluble adhesive Non-sticky coating on frying pans Textile fibre Cation/anion exchanger Water soluble adhesive Non-sticky coating on frying pans Textile fibre ANSWER DOWNLOAD EXAMIANS APP
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