Polymer Technology The monomer of natural rubber is Both B and C 2 methyl-1-propene Isoprene DMT Both B and C 2 methyl-1-propene Isoprene DMT ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Benzoyl chloride is not used as a catalyst in the manufacture of Polystyrene Polyvinyl chloride-co-vinylacetate Polypropylene Polyvinyl acetate Polystyrene Polyvinyl chloride-co-vinylacetate Polypropylene Polyvinyl acetate 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%) ? Teflon Water impermeable cellophane Cellulose acetate Polythene Teflon Water impermeable cellophane Cellulose acetate Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting polymers as compared to thermoplastic polymers Have linear structure None of these Are formed by addition polymerisation Have three dimensional structure Have linear structure None of these Are formed by addition polymerisation Have three dimensional structure 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 Hardness, rigidity & brittleness Tensile strength Melting point Densities Hardness, rigidity & brittleness Tensile strength Melting point ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from __________ resins. Phenol formaldehyde Urea formaldehyde Melamine formaldehyde Epoxy Phenol formaldehyde Urea formaldehyde Melamine formaldehyde Epoxy ANSWER DOWNLOAD EXAMIANS APP
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