Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to Reduce its viscosity to permit easier processing Increase its viscosity Reduce the time of vulcanisation and quantity of vulcanising agent Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce its viscosity to permit easier processing Increase its viscosity Reduce the time of vulcanisation and quantity of vulcanising agent Protect rubber goods from attack by oxygen & ozone present in the atmosphere ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Density of high density polythene is about __________ gm/c.c. 1.18 0.95 0.99 1.05 1.18 0.95 0.99 1.05 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl alcohol is used as a Textile fibre Non-sticky coating on frying pans Cation/anion exchanger Water soluble adhesive Textile fibre Non-sticky coating on frying pans Cation/anion exchanger Water soluble adhesive ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Terylene is a/an None of these Homopolymer Poly amide Addition polymer None of these Homopolymer Poly amide Addition polymer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser? Stearic acid estors Ethylene glycol Esters of phthalic acid Tricresyl phosphate Stearic acid estors Ethylene glycol Esters of phthalic acid Tricresyl phosphate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-6 as compared to nylon-66 is Having higher melting point Harder None of these More abrasion resistant Having higher melting point Harder None of these More abrasion resistant ANSWER DOWNLOAD EXAMIANS APP
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