Polymer Technology Styrene butadiene rubber is commercially manufactured by Bulk polymerisation Solution polymerisation Suspension polymerisation Emulsion polymerisation Bulk polymerisation Solution polymerisation Suspension polymerisation Emulsion polymerisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Density of high density polythene is about __________ gm/c.c. 1.05 0.99 0.95 1.18 1.05 0.99 0.95 1.18 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene butadiene rubber (SBR) is never used for making Gaskets Front wheel tyres of aeroplanes (i.e., heavy duty tyres) Soles of shoes Coated fabrics Gaskets Front wheel tyres of aeroplanes (i.e., heavy duty tyres) Soles of shoes Coated fabrics ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting resins/polymers as compared to thermoplastic ones are Soluble in all organic solvents Formed by addition polymerisation only More brittle Easily reshaped & reused Soluble in all organic solvents Formed by addition polymerisation only More brittle Easily reshaped & reused ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Natural rubber is obtained from latex, which is a colloidal dispersion of rubber in water. Which of the following is used as a coagulant in latex? Potassium alum Ammonium alum Both A & B Neither A nor B Potassium alum Ammonium alum Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a polyolefin? None of these Polystyrene Neoprene Polypropylene None of these Polystyrene Neoprene Polypropylene ANSWER DOWNLOAD EXAMIANS APP
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