Polymer Technology Caprolactum, a raw material for the manufacture of nylon-6, is produced from Naphthalene Benzene Pyridine Phenol Naphthalene Benzene Pyridine Phenol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosplastic materials Are solvent insoluble Are heavily branched molecules Do not soften on application of heat None of these Are solvent insoluble Are heavily branched molecules Do not soften on application of heat None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural polymer? Polyisoprene Polysaccharides Polyurethane Nucleic acids e.g. RNA and DNA Polyisoprene Polysaccharides Polyurethane Nucleic acids e.g. RNA and DNA ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as Hardeners Anti-shrinkage agents Plasticisers Transparency improver Hardeners Anti-shrinkage agents Plasticisers Transparency improver ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to 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 Reduce the time of vulcanisation and quantity of vulcanising agent ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymethyl methacrylate, which is an acrylic resin, is also called Teflon Plexiglass or lucite Dacron Thiokol Teflon Plexiglass or lucite Dacron Thiokol ANSWER DOWNLOAD EXAMIANS APP
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