Polymer Technology Which of the following is not a thermoplastic material? Polystyrene Polythene PVC Epoxy polymer Polystyrene Polythene PVC Epoxy polymer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at 2:1 1:2 1:3 3:1 2:1 1:2 1:3 3:1 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is generally not drawn into fibre? Saturated polyesters Polyamide Unsaturated polyesters Polyacrylonitrile Saturated polyesters Polyamide Unsaturated polyesters Polyacrylonitrile ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Size range of polymer molecules varies from __________ metre. 10⁻² to 10⁻⁵ 10⁻⁸ to 10⁻¹⁰ 10⁻⁴ to 10⁻⁷ 10⁻¹ to 10⁻² 10⁻² to 10⁻⁵ 10⁻⁸ to 10⁻¹⁰ 10⁻⁴ to 10⁻⁷ 10⁻¹ to 10⁻² 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 Chemical resistance Tensile strength Flexibility All of these Chemical resistance Tensile strength Flexibility All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin can not be used for making Fibres Paint & varnish Plasticiser Film forming materials Fibres Paint & varnish Plasticiser Film forming materials ANSWER DOWNLOAD EXAMIANS APP
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