Polymer Technology Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800? 51600 50000 49200 50800 51600 50000 49200 50800 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Density of low density polythene is about __________ gm/c.c. 0.81 0.56 0.91 0.38 0.81 0.56 0.91 0.38 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Glyptal used in the manufacture of paints & lacquers is a __________ polymer. Polyamide Polyacrylonitrile Polyester Polystyrene Polyamide Polyacrylonitrile Polyester Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Density of high density polythene is about __________ gm/c.c. 0.99 0.95 1.05 1.18 0.99 0.95 1.05 1.18 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic rubber Is softer at higher temperature Deforms, if stretched to double of its original dimension Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is brittle at low temperature Is softer at higher temperature Deforms, if stretched to double of its original dimension Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is brittle at low temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermocole (expanded polystyrene) is not used for Packing of delicate electronic gadgets Accoustic control and ceiling for building Low temperature thermal insulation as in refrigerator and air conditioners High temperature thermal insulation in furnaces Packing of delicate electronic gadgets Accoustic control and ceiling for building Low temperature thermal insulation as in refrigerator and air conditioners High temperature thermal insulation in furnaces ANSWER DOWNLOAD EXAMIANS APP
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