Polymer Technology Diphenylamine is added to rubber to Protect it from deterioration on exposure to air Make it non-inflammable Valcanise it Make it thermosetting Protect it from deterioration on exposure to air Make it non-inflammable Valcanise it Make it thermosetting ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine. Amino Epoxy Alkyd Phenolic Amino Epoxy Alkyd Phenolic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Contact lenses for eyes are made of perspex, which is nothing but Polypropylene Polymethylmethacrylate Unsaturated polyester Polystyrene Polypropylene Polymethylmethacrylate Unsaturated polyester Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following rubbers has the widest service temperature range (-75 to 275°C) ? Nitrile rubber Silicone rubber Silicon rubber Butyl rubber Nitrile rubber Silicone rubber Silicon rubber Butyl rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-66 is manufactured from Caprolactum Adipic acid and hexamenthylene diamine Dimethyl terephthalate (DMT) and ethylene glycol Maleic anhydride and hexamethylene diamine Caprolactum Adipic acid and hexamenthylene diamine Dimethyl terephthalate (DMT) and ethylene glycol Maleic anhydride and hexamethylene diamine 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 Flexibility Tensile strength Chemical resistance All of these Flexibility Tensile strength Chemical resistance All of these ANSWER DOWNLOAD EXAMIANS APP
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