Polymer Technology Synthetic rubber Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Deforms, if stretched to double of its original dimension Is brittle at low temperature Is softer at higher temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Deforms, if stretched to double of its original dimension Is brittle at low temperature Is softer at higher temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low pressure Zeigler process of polythene manufacture Employs a pressure of 30 kgf/cm² Produces very low density polythene Achieves an yield of 95-98% based on ethylene Does not use any catalyst for polymerisation Employs a pressure of 30 kgf/cm² Produces very low density polythene Achieves an yield of 95-98% based on ethylene Does not use any catalyst for polymerisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is normally used for the manufacture of refrigerator components and transistor parts. Polystyrene Polyproylene Polyurathene Polyester Polystyrene Polyproylene Polyurathene Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene butadiene rubber (SBR) is never used for making Soles of shoes Front wheel tyres of aeroplanes (i.e., heavy duty tyres) Gaskets Coated fabrics Soles of shoes Front wheel tyres of aeroplanes (i.e., heavy duty tyres) Gaskets Coated fabrics ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Starting material for the production of SBR is Neither A nor B Ethylene Ethyl alcohol Both A & B Neither A nor B Ethylene Ethyl alcohol Both A & B ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology β - glucose is the monomer of Cellulose Protein Starch None of these Cellulose Protein Starch None of these ANSWER DOWNLOAD EXAMIANS APP
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