Polymer Technology Which of the following is generally not drawn into fibre? Polyacrylonitrile Polyamide Unsaturated polyesters Saturated polyesters Polyacrylonitrile Polyamide Unsaturated polyesters Saturated polyesters ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Caprolactum, a raw material for the manufacture of nylon-6, is produced from Pyridine Phenol Naphthalene Benzene Pyridine Phenol Naphthalene Benzene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermocole (expanded polystyrene) is not used for Low temperature thermal insulation as in refrigerator and air conditioners High temperature thermal insulation in furnaces Accoustic control and ceiling for building Packing of delicate electronic gadgets Low temperature thermal insulation as in refrigerator and air conditioners High temperature thermal insulation in furnaces Accoustic control and ceiling for building Packing of delicate electronic gadgets ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene butadiene rubber (SBR) as compared to natural rubber has Poorer resistance All of these Greater amount of heat build up heavy loading Poor tensile strength Poorer resistance All of these Greater amount of heat build up heavy loading Poor tensile strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Molecular sizes Resistance to heat Polymerisation mechanism Magnitude of intermolecular forces Molecular sizes Resistance to heat Polymerisation mechanism Magnitude of intermolecular forces ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Vulcanisation of rubber does not increase its Elasticity & water solubility Softness Weight & strength Oxidation resistance Elasticity & water solubility Softness Weight & strength Oxidation resistance ANSWER DOWNLOAD EXAMIANS APP
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