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 Thermoplastic Elastometric Brittleness Thermosetting Thermoplastic Elastometric Brittleness ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of formaldehyde with __________ does not produce phenolic resin. Melamine Phenol Para-cresol Resorcinol Melamine Phenol Para-cresol Resorcinol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron (or terylene) fibres as compared to nylon fibres have Poorer resistance to alkalis Better heat & acid resistant properties All of these Poorer dyeability Poorer resistance to alkalis Better heat & acid resistant properties All of these Poorer dyeability ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rayon is superior to cotton in making gauge for wound treatment, because rayon Can absorb over 90% of its own weight of water Both B & C Is a synthetic polymer Does not stick to the wound unlike cotton Can absorb over 90% of its own weight of water Both B & C Is a synthetic polymer Does not stick to the wound unlike cotton ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin is a/an Polyolefin Addition polymer Polyamide Polyester Polyolefin Addition polymer Polyamide Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at 1:3 2:1 1:2 3:1 1:3 2:1 1:2 3:1 ANSWER DOWNLOAD EXAMIANS APP
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