Polymer Technology The process involved in converting rubber into a thin sheet or coating it on fabric is called Mastication Extrusion Vulcanisation Calendering Mastication Extrusion Vulcanisation Calendering ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m². Which of the following polymers has the maximum film elongation (of the order of 100%) ? Polythene Teflon Cellulose acetate Water impermeable cellophane Polythene Teflon Cellulose acetate Water impermeable cellophane 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 Densities Tensile strength Melting point Hardness, rigidity & brittleness Densities Tensile strength Melting point Hardness, rigidity & brittleness ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most commonly used rubber vulcanisation agent is Platinum Bromine Sulphur Alumina Platinum Bromine Sulphur Alumina ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are Micromolecules Sub-micromolecules None of these Macromolecules Micromolecules Sub-micromolecules None of these Macromolecules ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following has the weakest intermolecular forces? Polystyrene Bakelite Polyisoprene Nylon-66 Polystyrene Bakelite Polyisoprene Nylon-66 ANSWER DOWNLOAD EXAMIANS APP