Polymer Technology In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer? Buna-S PMMA Polycaprolactum PTFE Buna-S PMMA Polycaprolactum PTFE 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) Polymethyl methacrylate (PMMA) Polycarbonates Phenolic resins Polytetraflouroethylene(PTFE) Polymethyl methacrylate (PMMA) Polycarbonates Phenolic resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ of SBR is adversely affected, if more quantity of styrene is added to butadiene during its co-polymerisation to produce SBR. Percent elongation Freezing point Resilience Strength Percent elongation Freezing point Resilience Strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Density of high density polythene is about __________ gm/c.c. 1.05 0.99 1.18 0.95 1.05 0.99 1.18 0.95 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Diphenylamine is added to rubber to Valcanise it Make it non-inflammable Make it thermosetting Protect it from deterioration on exposure to air Valcanise it Make it non-inflammable Make it thermosetting Protect it from deterioration on exposure to air ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene which is a monomer for the production of polystyrene, is commercially produced by the Reacting ethylene oxide with acetal-dehyde Dehydration of ethyl alcohol followed by hydrogenation Catalytic dehydrogenation of ethyl benzene Fermentation of starch Reacting ethylene oxide with acetal-dehyde Dehydration of ethyl alcohol followed by hydrogenation Catalytic dehydrogenation of ethyl benzene Fermentation of starch ANSWER DOWNLOAD EXAMIANS APP