Polymer Technology Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m². Which of the following polymers has the maximum film elongation (of the order of 100%) ? Cellulose acetate Polythene Teflon Water impermeable cellophane Cellulose acetate Polythene Teflon Water impermeable cellophane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to Protect rubber goods from attack by oxygen & ozone present in the atmosphere Increase its viscosity Reduce the time of vulcanisation and quantity of vulcanising agent Reduce its viscosity to permit easier processing Protect rubber goods from attack by oxygen & ozone present in the atmosphere Increase its viscosity Reduce the time of vulcanisation and quantity of vulcanising agent Reduce its viscosity to permit easier processing ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Starting material for the production of butadiene in India is Benzol Ethyl alcohol Phthalic anhydride Naphthalene Benzol Ethyl alcohol Phthalic anhydride Naphthalene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyhexamethylene adipimide is also known as Nylon-66 Silicone rubber Epoxy resin Bakelite Nylon-66 Silicone rubber Epoxy resin Bakelite ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weights of plastics ranges from 20000 to 25000 5000 to 1000 1000 to 5000 10⁹ to l0¹¹ 20000 to 25000 5000 to 1000 1000 to 5000 10⁹ to l0¹¹ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces Polyamide Epoxy resin Phenolic resin Alkyd resin Polyamide Epoxy resin Phenolic resin Alkyd resin ANSWER DOWNLOAD EXAMIANS APP
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