Polymer Technology Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its Weathering characteristics Elasticity Strength Plasticity Weathering characteristics Elasticity Strength Plasticity ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron is a Condensation polymerisation product of hexamethylene diamine and adipic acid Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol None of these Thermosetting material Condensation polymerisation product of hexamethylene diamine and adipic acid Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol None of these Thermosetting material ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cellulose is the main contituent of most __________ fibres. Synthetic Natural Spandex Acrylic Synthetic Natural Spandex Acrylic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the __________ fibres. Saturated polyester Acrylic Polyvinyl acetate Viscose rayon Saturated polyester Acrylic Polyvinyl acetate Viscose rayon 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 -5 500-600 250-280 10-30 -5 500-600 250-280 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting polymers as compared to thermoplastic polymers Have linear structure Are formed by addition polymerisation Have three dimensional structure None of these Have linear structure Are formed by addition polymerisation Have three dimensional structure None of these ANSWER DOWNLOAD EXAMIANS APP
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