Polymer Technology Which of the following rubbers has the widest service temperature range (-75 to 275°C) ? Butyl rubber Silicone rubber Nitrile rubber Silicon rubber Butyl rubber Silicone rubber Nitrile rubber Silicon rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is normally used for the manufacture of refrigerator components and transistor parts. Polyester Polyurathene Polystyrene Polyproylene Polyester Polyurathene Polystyrene Polyproylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the __________ fibres. Polyvinyl acetate Saturated polyester Viscose rayon Acrylic Polyvinyl acetate Saturated polyester Viscose rayon Acrylic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon 6 as compared to nylon 6, 6 has lower Thermal stability Abrasion resistance Hardness Adhesion to rubber Thermal stability Abrasion resistance Hardness Adhesion to rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl chloride (PVC) Softening temperature is 200°C Uses either emulsion or suspension polymerisation methods Is produced by polycondensation reaction Can be made thermosetting by adding a plasticiser Softening temperature is 200°C Uses either emulsion or suspension polymerisation methods Is produced by polycondensation reaction Can be made thermosetting by adding a plasticiser ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron is a None of these Condensation polymerisation product of hexamethylene diamine and adipic acid Thermosetting material Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol None of these Condensation polymerisation product of hexamethylene diamine and adipic acid Thermosetting material Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol ANSWER DOWNLOAD EXAMIANS APP
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