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
Polymer Technology Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from __________ resins. Melamine formaldehyde Phenol formaldehyde Epoxy Urea formaldehyde Melamine formaldehyde Phenol formaldehyde Epoxy Urea formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding Nitro cellulose Camphor Glycerol None of these Nitro cellulose Camphor Glycerol None of these 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. Rayon Polythene Polyvinyl acetate PVC Rayon Polythene Polyvinyl acetate PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Branched chain polymers compared to linear polymers have higher Density Melting point Degree of irregularity in atomic packing Tensile strength Density Melting point Degree of irregularity in atomic packing Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology β - glucose is the monomer of None of these Cellulose Protein Starch None of these Cellulose Protein Starch ANSWER DOWNLOAD EXAMIANS APP