Polymer Technology Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent. 1500-2000 1000-1500 1-1000 2000-2500 1500-2000 1000-1500 1-1000 2000-2500 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Viscosity of a polymer solution or melt Increases with increase in temperature Does not vary with temperature rise Decreases with increase in temperature Decreases with increase in molecular weight Increases with increase in temperature Does not vary with temperature rise Decreases with increase in temperature Decreases with increase in molecular weight ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation is not involved in the manufacture of Nylon Terylene Teflon Polythene Nylon Terylene Teflon Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament form. Dry spinning is used for __________ fibres. Polythene PVC Polyvinyl acetate Rayon Polythene PVC Polyvinyl acetate Rayon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a copolymer? Teflon PVC Bakelite Polythene Teflon PVC Bakelite Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Collapsible tubes for tooth paste are produced by __________ extrusion. None of these Indirect Direct Impact None of these Indirect Direct Impact ANSWER DOWNLOAD EXAMIANS APP