Polymer Technology Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Magnitude of intermolecular forces Molecular sizes Polymerisation mechanism Resistance to heat Magnitude of intermolecular forces Molecular sizes Polymerisation mechanism Resistance to heat ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Bristles of tooth brushes are made of Polystyrene PVC Nylon-66 Nylon-6 Polystyrene PVC Nylon-66 Nylon-6 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The inter particle forces between linear chains in nylon-66 are __________ bonds. Ionic Covalant Hydrogen None of these Ionic Covalant Hydrogen None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cellulose is the main contituent of most __________ fibres. Spandex Acrylic Natural Synthetic Spandex Acrylic Natural Synthetic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Amino resins are used in paper treatment to improve its Folding endurance Wet rub resistance All of these Wet tear and bursting strength Folding endurance Wet rub resistance All of these Wet tear and bursting strength ANSWER DOWNLOAD EXAMIANS APP
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? 51600 50800 49200 50000 51600 50800 49200 50000 ANSWER DOWNLOAD EXAMIANS APP
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