Polymer Technology Which of the following is the lowest cost plastic commercially available? PVC Teflon Polythene Bakelite PVC Teflon Polythene Bakelite ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic rubber Is softer at higher temperature Deforms, if stretched to double of its original dimension Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is brittle at low temperature Is softer at higher temperature Deforms, if stretched to double of its original dimension Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is brittle at low temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Unbreakable crockeries are made from __________ polymers. Polyurathane Polystyrene Polystyrene Melamine Polyurathane Polystyrene Polystyrene Melamine ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of caprolac-tum is carried out in the reactor maintained at a temperature of __________ °C for producing nylon-6. 50 to 75 -20 to 25 100 to 150 250-280 50 to 75 -20 to 25 100 to 150 250-280 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polythene is a/an Condensation polymerisation product None of these Thermosetting material Addition polymerisation product Condensation polymerisation product None of these Thermosetting material Addition polymerisation product 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
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