Polymer Technology Low density polythene as compared to high density polythene is Chemically inert Tougher Harder More flexible Chemically inert Tougher Harder More flexible ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Diphenylamine is added to rubber to Protect it from deterioration on exposure to air Make it thermosetting Make it non-inflammable Valcanise it Protect it from deterioration on exposure to air Make it thermosetting Make it non-inflammable Valcanise it ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Valcunisation of rubber decreases its Tackiness Working temperature range Tensile strength Resistance to organic solvents Tackiness Working temperature range Tensile strength Resistance to organic solvents ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament form. Dry spinning is used for __________ fibres. Polyvinyl acetate Polythene PVC Rayon Polyvinyl acetate Polythene PVC Rayon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Catalyst used in the production of high density polythene by low pressure Ziegler process is Molybdenum Aluminium triethyl activated with TiCl₄ Nickel Platinum Molybdenum Aluminium triethyl activated with TiCl₄ Nickel Platinum 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 1-1000 2000-2500 1000-1500 1500-2000 1-1000 2000-2500 1000-1500 ANSWER DOWNLOAD EXAMIANS APP
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