Polymer Technology Thermosplastic materials Are heavily branched molecules None of these Are solvent insoluble Do not soften on application of heat Are heavily branched molecules None of these Are solvent insoluble Do not soften on application of heat ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Density of high density polythene is about __________ gm/c.c. 1.05 1.18 0.95 0.99 1.05 1.18 0.95 0.99 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is generally not drawn into fibre? Polyamide Polyacrylonitrile Unsaturated polyesters Saturated polyesters Polyamide Polyacrylonitrile Unsaturated polyesters Saturated polyesters ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Elastomers are Having high flexural strength Having very high tensile strength and heat resistance Exemplified by protein derivatives Thermosetting material Having high flexural strength Having very high tensile strength and heat resistance Exemplified by protein derivatives Thermosetting material ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at 3:1 1:2 1:3 2:1 3:1 1:2 1:3 2:1 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plexiglass (also called lucite) because of its high optical transparency is used for making lenses. It is chemically Polytetraflouroethylene(PTFE) Polycarbonates Polymethyl methacrylate (PMMA) Phenolic resins Polytetraflouroethylene(PTFE) Polycarbonates Polymethyl methacrylate (PMMA) Phenolic resins ANSWER DOWNLOAD EXAMIANS APP
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