Polymer Technology Which of the following rubbers has the widest service temperature range (-75 to 275°C) ? Nitrile rubber Silicon rubber Silicone rubber Butyl rubber Nitrile rubber Silicon rubber Silicone rubber Butyl rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ of SBR is adversely affected, if more quantity of styrene is added to butadiene during its co-polymerisation to produce SBR. Resilience Percent elongation Freezing point Strength Resilience Percent elongation Freezing point Strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is a thermosetting plastic. Bakelite PVC Polystyrene Polythene Bakelite PVC Polystyrene Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Temperature maintained in the emulsion polymerisation reactor for PVC manufacture is about __________ ° C. 250 -20 500 50 250 -20 500 50 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 Does not use any catalyst for polymerisation Achieves an yield of 95-98% based on ethylene Employs a pressure of 30 kgf/cm² Produces very low density polythene Does not use any catalyst for polymerisation Achieves an yield of 95-98% based on ethylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Transistor parts and refrigerator components are normally made of High density polythene Polyurathane Polystyrene Polyester High density polythene Polyurathane Polystyrene Polyester ANSWER DOWNLOAD EXAMIANS APP
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