Polymer Technology Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent. 1-1000 2000-2500 1000-1500 1500-2000 1-1000 2000-2500 1000-1500 1500-2000 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology A copolymer is formed by the combination of two or more monomer molecules In a chain without the elimination of water Of the same monomer by elimination of small molecules of water With the elimination of small amount of water None of these In a chain without the elimination of water Of the same monomer by elimination of small molecules of water With the elimination of small amount of water None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding None of these Nitro cellulose Glycerol Camphor None of these Nitro cellulose Glycerol Camphor ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Starting material for the production of SBR is Both A & B Ethyl alcohol Ethylene Neither A nor B Both A & B Ethyl alcohol Ethylene Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of plasticisers to polymers results in partial neutralisation of intermolecular forces of attraction between the macro-molecules thereby increasing its All of these Chemical resistance Tensile strength Flexibility All of these Chemical resistance Tensile strength Flexibility ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate. Hard Fibrous Leathery Rubbery Hard Fibrous Leathery Rubbery ANSWER DOWNLOAD EXAMIANS APP
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