Polymer Technology Trade name of __________ is neoprene. Polytetraflouroethylene Polychloroprene Poly vinyl acetate Polyisoprene Polytetraflouroethylene Polychloroprene Poly vinyl acetate Polyisoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Diphenylamine is added to rubber to Valcanise it Make it thermosetting Make it non-inflammable Protect it from deterioration on exposure to air Valcanise it Make it thermosetting Make it non-inflammable Protect it from deterioration on exposure to air ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Branched chair polymers as compared to linear polymers have Lower density None of these Higher tensile strength Higher melting point Lower density None of these Higher tensile strength Higher melting point ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The process involved in converting rubber into a thin sheet or coating it on fabric is called Vulcanisation Extrusion Mastication Calendering Vulcanisation Extrusion Mastication Calendering ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent. 2000-2500 1-1000 1000-1500 1500-2000 2000-2500 1-1000 1000-1500 1500-2000 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 All of these Tensile strength Flexibility Chemical resistance All of these Tensile strength Flexibility ANSWER DOWNLOAD EXAMIANS APP
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