Polymer Technology Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent. 1000-1500 2000-2500 1500-2000 1-1000 1000-1500 2000-2500 1500-2000 1-1000 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) Phenolic resins Polycarbonates Polymethyl methacrylate (PMMA) Polytetraflouroethylene(PTFE) Phenolic resins Polycarbonates Polymethyl methacrylate (PMMA) ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are Macromolecules Sub-micromolecules None of these Micromolecules Macromolecules Sub-micromolecules None of these Micromolecules ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Viscosity of a polymer solution or melt Does not vary with temperature rise Increases with increase in temperature Decreases with increase in molecular weight Decreases with increase in temperature Does not vary with temperature rise Increases with increase in temperature Decreases with increase in molecular weight Decreases with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers does not belong to the class of polyacrylate polymer? None of these PMMA Polyethyl acrylate Polyacrylonitrile None of these PMMA Polyethyl acrylate Polyacrylonitrile ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin is a/an Addition polymer Polyolefin Polyester Polyamide Addition polymer Polyolefin Polyester Polyamide ANSWER DOWNLOAD EXAMIANS APP