Polymer Technology Which of the following polymers belong to the class of formaldehyde resin? None of these Melamine resins Teflon Dacron None of these Melamine resins Teflon Dacron ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The process involved in converting rubber into a thin sheet or coating it on fabric is called Extrusion Vulcanisation Calendering Mastication Extrusion Vulcanisation Calendering Mastication ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of formaldehyde with __________ does not produce phenolic resin. Para-cresol Resorcinol Melamine Phenol Para-cresol Resorcinol Melamine Phenol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ are produced by reacting polybasic acid (e.g. phthalic anhydride) with polyhydric alcohol (e.g., glycerol). Unsaturated polyester Saturated polyester Alkyd resins Amino resins Unsaturated polyester Saturated polyester Alkyd resins Amino resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Melamine formaldehyde resin which has a very high anti tacking properties, is not used for the Electrical insulation purpose Decorative laminates Tanning of leather Strengthening of plaster of paris Electrical insulation purpose Decorative laminates Tanning of leather Strengthening of plaster of paris ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene butadiene rubber (SBR) as compared to natural rubber has Poor tensile strength Poorer resistance Greater amount of heat build up heavy loading All of these Poor tensile strength Poorer resistance Greater amount of heat build up heavy loading All of these ANSWER DOWNLOAD EXAMIANS APP
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