Polymer Technology Main constituent of cotton fibre is Gelatine Lignin Cellulose Starch Gelatine Lignin Cellulose Starch 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 Epoxy Melamine formaldehyde Urea formaldehyde Phenol formaldehyde Epoxy Melamine formaldehyde Urea formaldehyde 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. Polyvinyl acetate PVC Rayon Polythene Polyvinyl acetate PVC Rayon Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In nylon-6, the number 6 represents the total number of Carbon atoms in the linear polymer chain Hydrogen atoms in the ring Nitrogen atoms in the ring Carbon atoms in the ring Carbon atoms in the linear polymer chain Hydrogen atoms in the ring Nitrogen atoms in the ring Carbon atoms in the ring ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its Plasticity Elasticity Strength Weathering characteristics Plasticity Elasticity Strength Weathering characteristics ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-6 as compared to nylon-66 is Having higher melting point None of these Harder More abrasion resistant Having higher melting point None of these Harder More abrasion resistant ANSWER DOWNLOAD EXAMIANS APP
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