Polymer Technology Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces Epoxy resin Polyamide Phenolic resin Alkyd resin Epoxy resin Polyamide Phenolic resin Alkyd resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Viscosity of a polymer solution or melt Decreases with increase in molecular weight Does not vary with temperature rise Decreases with increase in temperature Increases with increase in temperature Decreases with increase in molecular weight Does not vary with temperature rise Decreases with increase in temperature Increases with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Epoxy resins (i.e., epoxide polymers) Contain an epoxy group ( ##### ) at the ends of the polymer Use emulsion polymerisation methods Are cross-linked polymers only Are made by addition polymerisation reaction only Contain an epoxy group ( ##### ) at the ends of the polymer Use emulsion polymerisation methods Are cross-linked polymers only Are made by addition polymerisation reaction only ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the __________ fibres. Acrylic Saturated polyester Viscose rayon Polyvinyl acetate Acrylic Saturated polyester Viscose rayon Polyvinyl acetate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polythene is a/an None of these Addition polymerisation product Thermosetting material Condensation polymerisation product None of these Addition polymerisation product Thermosetting material Condensation polymerisation product ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Mastication of rubber means Depression of its freezing point Its softening A treatment to retard its deterioration due to oxidation Improving its curing rate Depression of its freezing point Its softening A treatment to retard its deterioration due to oxidation Improving its curing rate ANSWER DOWNLOAD EXAMIANS APP
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