Polymer Technology The main use of butadiene is None of these As an anti-skimming agent in paint As a plasticiser for unsaturated polyester In the manufacture of synthetic rubber None of these As an anti-skimming agent in paint As a plasticiser for unsaturated polyester In the manufacture of synthetic rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent. 1500-2000 1000-1500 1-1000 2000-2500 1500-2000 1000-1500 1-1000 2000-2500 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene which is a monomer for the production of polystyrene, is commercially produced by the Fermentation of starch Dehydration of ethyl alcohol followed by hydrogenation Reacting ethylene oxide with acetal-dehyde Catalytic dehydrogenation of ethyl benzene Fermentation of starch Dehydration of ethyl alcohol followed by hydrogenation Reacting ethylene oxide with acetal-dehyde Catalytic dehydrogenation of ethyl benzene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Linear polymers are normally Thermosetting Thermosplastic Having extremely high softening point Elastometric Thermosetting Thermosplastic Having extremely high softening point Elastometric ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres. Nylon 6:6 Polyester Acrylic Polypropylene Nylon 6:6 Polyester Acrylic Polypropylene 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. Acrylic Saturated polyester Viscose rayon Polyvinyl acetate Acrylic Saturated polyester Viscose rayon Polyvinyl acetate ANSWER DOWNLOAD EXAMIANS APP