Polymer Technology Temperature and gage pressure maintained during the manufacture of hot SBR (styrene butediene rubber) are 250°C and 10 kgf/cm² 250°C and 1 kgf/cm² 50°C and 3 - 4 kg/cm² 50°C and 1 kgf/cm² 250°C and 10 kgf/cm² 250°C and 1 kgf/cm² 50°C and 3 - 4 kg/cm² 50°C and 1 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is Polybutadiene PVC Polypropylene Terylene Polybutadiene PVC Polypropylene Terylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Temperature maintained in the emulsion polymerisation reactor for PVC manufacture is about __________ ° C. 500 50 -20 250 500 50 -20 250 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following additives are added to plastics to make it impervious to X-rays? Carborundum Barium salt Phthalic acid Asbestos Carborundum Barium salt Phthalic acid Asbestos ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a polyolefin? Neoprene Polypropylene Polystyrene None of these Neoprene Polypropylene Polystyrene None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Mastication of rubber means Depression of its freezing point A treatment to retard its deterioration due to oxidation Improving its curing rate Its softening Depression of its freezing point A treatment to retard its deterioration due to oxidation Improving its curing rate Its softening ANSWER DOWNLOAD EXAMIANS APP
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