Polymer Technology Lavatory cisterns are normally made of Perspex Saturated polyester Expanded polystyrene PVC Perspex Saturated polyester Expanded polystyrene PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is the lowest cost plastic commercially available? Polythene Bakelite Teflon PVC Polythene Bakelite Teflon PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Ebonite is a/an Adhesive Unvulcanised raw rubber Highly vulcanised rubber Natural rubber Adhesive Unvulcanised raw rubber Highly vulcanised rubber Natural rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to 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 Reduce its viscosity to permit easier processing Increase its viscosity ANSWER DOWNLOAD EXAMIANS APP
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%) ? Polythene Teflon Cellulose acetate Water impermeable cellophane Polythene Teflon Cellulose acetate Water impermeable cellophane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Contact lenses for eyes are made of perspex, which is nothing but Polymethylmethacrylate Unsaturated polyester Polypropylene Polystyrene Polymethylmethacrylate Unsaturated polyester Polypropylene Polystyrene ANSWER DOWNLOAD EXAMIANS APP
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