Polymer Technology Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding Glycerol None of these Camphor Nitro cellulose Glycerol None of these Camphor Nitro cellulose ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low density polythene as compared to high density polythene is Chemically inert More flexible Tougher Harder Chemically inert More flexible Tougher Harder ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermocole (expanded polystyrene) is not used for High temperature thermal insulation in furnaces Low temperature thermal insulation as in refrigerator and air conditioners Packing of delicate electronic gadgets Accoustic control and ceiling for building High temperature thermal insulation in furnaces Low temperature thermal insulation as in refrigerator and air conditioners Packing of delicate electronic gadgets Accoustic control and ceiling for building ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Temperature maintained in the emulsion polymerisation reactor for PVC manufacture is about __________ ° C. 50 -20 500 250 50 -20 500 250 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl chloride (PVC) Is produced by polycondensation reaction Softening temperature is 200°C Can be made thermosetting by adding a plasticiser Uses either emulsion or suspension polymerisation methods Is produced by polycondensation reaction Softening temperature is 200°C Can be made thermosetting by adding a plasticiser Uses either emulsion or suspension polymerisation methods ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Collapsible tubes for tooth paste are produced by __________ extrusion. Impact Indirect None of these Direct Impact Indirect None of these Direct ANSWER DOWNLOAD EXAMIANS APP
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