Polymer Technology Which of the following polymers belong to the class of formaldehyde resin? Melamine resins Teflon None of these Dacron Melamine resins Teflon None of these Dacron ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces Phenolic resin Epoxy resin Alkyd resin Polyamide Phenolic resin Epoxy resin Alkyd resin Polyamide ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Commercial production of polypropylene employs __________ polymerisation. Suspension Emulsion Bulk Solution Suspension Emulsion Bulk Solution ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic rubber Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Deforms, if stretched to double of its original dimension Is brittle at low temperature Is softer at higher temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Deforms, if stretched to double of its original dimension Is brittle at low temperature Is softer at higher temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ practically possess no elasticity. Spandex fibre Epoxy resin Vulcanite or ebonite Polysulphide rubber Spandex fibre Epoxy resin Vulcanite or ebonite Polysulphide rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding Nitro cellulose Glycerol Camphor None of these Nitro cellulose Glycerol Camphor None of these ANSWER DOWNLOAD EXAMIANS APP
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