Polymer Technology Condensation polymerisation of __________ produces bakelite. Phenol & formaldehyde Phenol & acetaldehyde Propylene Urea & formaldehyde Phenol & formaldehyde Phenol & acetaldehyde Propylene Urea & formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermocole (expanded polystyrene) is not used for Accoustic control and ceiling for building Low temperature thermal insulation as in refrigerator and air conditioners High temperature thermal insulation in furnaces Packing of delicate electronic gadgets Accoustic control and ceiling for building Low temperature thermal insulation as in refrigerator and air conditioners High temperature thermal insulation in furnaces Packing of delicate electronic gadgets ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Melamine formaldehyde resin which has a very high anti tacking properties, is not used for the Tanning of leather Strengthening of plaster of paris Electrical insulation purpose Decorative laminates Tanning of leather Strengthening of plaster of paris Electrical insulation purpose Decorative laminates ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Vulcanisation of raw rubber makes it Soft Less elastic Tacky Plastic Soft Less elastic Tacky Plastic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a cross linked polymer, the monomeric units are linked together to constitute a three dimensional network. Which of the following is a cross-linked polymer? Bakelite (phenol formaldehyde) Polyester Nylon-6 Polythene Bakelite (phenol formaldehyde) Polyester Nylon-6 Polythene 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. Saturated polyester Viscose rayon Polyvinyl acetate Acrylic Saturated polyester Viscose rayon Polyvinyl acetate Acrylic ANSWER DOWNLOAD EXAMIANS APP
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