Polymer Technology Polymethyl methacrylate (PMMA) which is also known as perspex and is produced by bulk polymerisation of methyl methacrylate is not a __________ polymer. Thermosetting Thermoplastic Glass like transparent Linear Thermosetting Thermoplastic Glass like transparent Linear ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Density of high density polythene is about __________ gm/c.c. 1.05 0.99 0.95 1.18 1.05 0.99 0.95 1.18 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 Reduce its viscosity to permit easier processing Increase its viscosity Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce the time of vulcanisation and quantity of vulcanising agent Reduce its viscosity to permit easier processing Increase its viscosity Protect rubber goods from attack by oxygen & ozone present in the atmosphere ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Zeigler - Natta catalyst (AlR₃ - AlCl₃) is used in the polymerisation of Vinyl acetate Propylene Styrene Vinyl chloride Vinyl acetate Propylene Styrene Vinyl chloride ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The process involved in converting rubber into a thin sheet or coating it on fabric is called Vulcanisation Extrusion Calendering Mastication Vulcanisation Extrusion Calendering Mastication ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Starting material for the production of butadiene in India is Benzol Naphthalene Ethyl alcohol Phthalic anhydride Benzol Naphthalene Ethyl alcohol Phthalic anhydride ANSWER DOWNLOAD EXAMIANS APP
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