Polymer Technology Nylon-66 is manufactured from Dimethyl terephthalate (DMT) and ethylene glycol Adipic acid and hexamenthylene diamine Caprolactum Maleic anhydride and hexamethylene diamine Dimethyl terephthalate (DMT) and ethylene glycol Adipic acid and hexamenthylene diamine Caprolactum Maleic anhydride and hexamethylene diamine ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The synthetic fibres produced from __________ are known as rayon. Cellulose Lignin Polyamides Ethylene glycol Cellulose Lignin Polyamides Ethylene glycol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer? PTFE Polycaprolactum Buna-S PMMA PTFE Polycaprolactum Buna-S PMMA 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 Reduce the time of vulcanisation and quantity of vulcanising agent Increase its viscosity Reduce its viscosity to permit easier processing Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce the time of vulcanisation and quantity of vulcanising agent Increase its viscosity Reduce its viscosity to permit easier processing ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Size range of polymer molecules varies from __________ metre. 10⁻⁴ to 10⁻⁷ 10⁻¹ to 10⁻² 10⁻⁸ to 10⁻¹⁰ 10⁻² to 10⁻⁵ 10⁻⁴ to 10⁻⁷ 10⁻¹ to 10⁻² 10⁻⁸ to 10⁻¹⁰ 10⁻² to 10⁻⁵ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Celluloid is Cellulose acetate Cellulose nitrate Regenerated cellulose Cellulose acetate butyrate Cellulose acetate Cellulose nitrate Regenerated cellulose Cellulose acetate butyrate ANSWER DOWNLOAD EXAMIANS APP
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