Polymer Technology Caprolactum, a raw material for the manufacture of nylon-6, is produced from Pyridine Naphthalene Benzene Phenol Pyridine Naphthalene Benzene Phenol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology 90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at a temperature of __________ °C. 10-30 250-280 -5 500-600 10-30 250-280 -5 500-600 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Viscosity of a polymer solution or melt Decreases with increase in temperature Decreases with increase in molecular weight Does not vary with temperature rise Increases with increase in temperature Decreases with increase in temperature Decreases with increase in molecular weight Does not vary with temperature rise Increases with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following additives are added to plastics to make it impervious to X-rays? Phthalic acid Barium salt Asbestos Carborundum Phthalic acid Barium salt Asbestos Carborundum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate. Hard Leathery Rubbery Fibrous Hard Leathery Rubbery Fibrous ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following has the weakest intermolecular forces? Polystyrene Nylon-66 Polyisoprene Bakelite Polystyrene Nylon-66 Polyisoprene Bakelite ANSWER DOWNLOAD EXAMIANS APP
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