Polymer Technology Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800? 49200 50800 51600 50000 49200 50800 51600 50000 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Paper like thin plastic articles can be produced by None of these Blow moulding Injection moulding Vacuum thermo forming None of these Blow moulding Injection moulding Vacuum thermo forming ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is a natural fibre. Dacron Nylon-6 Cellulose None of these Dacron Nylon-6 Cellulose None of these 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 Melting point Tensile strength Densities Hardness, rigidity & brittleness Melting point Tensile strength 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. Polythene PVC Rayon Polyvinyl acetate Polythene PVC Rayon Polyvinyl acetate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weight of polymers are in the range of 10⁷-10⁹ 10²-10⁷ 10 to 10³ 10⁹-10¹¹ 10⁷-10⁹ 10²-10⁷ 10 to 10³ 10⁹-10¹¹ ANSWER DOWNLOAD EXAMIANS APP
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