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 Synthetic rubber Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is brittle at low temperature Is softer at higher temperature Deforms, if stretched to double of its original dimension Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is brittle at low temperature Is softer at higher temperature Deforms, if stretched to double of its original dimension ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Starting material for the production of butadiene in India is Phthalic anhydride Naphthalene Ethyl alcohol Benzol Phthalic anhydride Naphthalene Ethyl alcohol Benzol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers are produced by employing all bulk polymerisation, solution polymerisation & suspension polymerisation technique of addition (chain) polymerisation? PVC PTFE Bakelite Epoxy resin PVC PTFE Bakelite Epoxy resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The conversion of caprolactum in the above case is about __________ percent. 25 90 70 50 25 90 70 50 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The generic chemical name for the class of polymers which are commerically known as nylons is Polyolefins Polyacrylate Polyurathane Polyamide Polyolefins Polyacrylate Polyurathane Polyamide ANSWER DOWNLOAD EXAMIANS APP