Polymer Technology Most of the plastics are safe to be used upto a maximum temperature of __________ °C. 100 150 450 350 100 150 450 350 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Tubeless tyres are made of __________ rubber, which is a co-polymer of isoprene & isobutylene. Butyl Nitrile Silicone Neoprene Butyl Nitrile Silicone Neoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin e.g., glyptal resin formed by phthalic anhydride and glycerene is not used For fibre making For film forming materials For surface coating of automobiles & air crafts As plasticiser for PVC & nitrocellulose For fibre making For film forming materials For surface coating of automobiles & air crafts As plasticiser for PVC & nitrocellulose ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymethyl methacrylate (PMMA) which is also known as perspex and is produced by bulk polymerisation of methyl methacrylate is not a __________ polymer. Linear Thermoplastic Glass like transparent Thermosetting Linear Thermoplastic Glass like transparent Thermosetting ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher Tensile strength Melting point Densities Hardness, rigidity & brittleness Tensile strength Melting point Densities Hardness, rigidity & brittleness 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) Phenolic resins Polycarbonates Polytetraflouroethylene(PTFE) Polymethyl methacrylate (PMMA) Phenolic resins Polycarbonates ANSWER DOWNLOAD EXAMIANS APP
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