Polymer Technology Polyurathane can not be used to make Fibre reinforced plastic (FRP) Thermal insulation in refrigerator Automobile cushion Coating and adhesive Fibre reinforced plastic (FRP) Thermal insulation in refrigerator Automobile cushion Coating and adhesive ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In step growth polymerisation, generally only one type of reaction & some basic mechanism is involved. Step growth polymerisation reaction is not involved in the manufacture of Polyamides Phenol formaldehyde resins Polyesters Cross linked polystyrene Polyamides Phenol formaldehyde resins Polyesters Cross linked polystyrene 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. Acrylic Saturated polyester Viscose rayon Polyvinyl acetate Acrylic Saturated polyester Viscose rayon Polyvinyl acetate 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? Ammonium alum Neither A nor B Both A & B Potassium alum Ammonium alum Neither A nor B Both A & B Potassium alum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The process involved in converting rubber into a thin sheet or coating it on fabric is called Calendering Mastication Extrusion Vulcanisation Calendering Mastication Extrusion Vulcanisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Ion exchange resins are made of Sulphonated bakelite Lucite Polystyrene Teflon Sulphonated bakelite Lucite Polystyrene Teflon ANSWER DOWNLOAD EXAMIANS APP
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