Polymer Technology Thermocole (expanded polystyrene) is not used for Low temperature thermal insulation as in refrigerator and air conditioners Packing of delicate electronic gadgets High temperature thermal insulation in furnaces Accoustic control and ceiling for building Low temperature thermal insulation as in refrigerator and air conditioners Packing of delicate electronic gadgets High temperature thermal insulation in furnaces Accoustic control and ceiling for building ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces Phenolic resin Epoxy resin Polyamide Alkyd resin Phenolic resin Epoxy resin Polyamide Alkyd resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin e.g., glyptal resin formed by phthalic anhydride and glycerene is not used For fibre making For film forming materials As plasticiser for PVC & nitrocellulose For surface coating of automobiles & air crafts For fibre making For film forming materials As plasticiser for PVC & nitrocellulose For surface coating of automobiles & air crafts ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The monomer of natural rubber is Isoprene DMT 2 methyl-1-propene Both B and C Isoprene DMT 2 methyl-1-propene Both B and C ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at 2:1 1:2 3:1 1:3 2:1 1:2 3:1 1:3 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is Ni Fe Aluminium triethyl combined with titanium tetrachloride V₂O₅ Ni Fe Aluminium triethyl combined with titanium tetrachloride V₂O₅ ANSWER DOWNLOAD EXAMIANS APP
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