Polymer Technology Which of the following polymers belong to the class of formaldehyde resin? None of these Dacron Teflon Melamine resins None of these Dacron Teflon Melamine resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Density of low density polythene is about __________ gm/c.c. 0.81 0.38 0.56 0.91 0.81 0.38 0.56 0.91 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low pressure Zeigler process of polythene manufacture Does not use any catalyst for polymerisation Produces very low density polythene Employs a pressure of 30 kgf/cm² Achieves an yield of 95-98% based on ethylene Does not use any catalyst for polymerisation Produces very low density polythene Employs a pressure of 30 kgf/cm² Achieves an yield of 95-98% based on ethylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-66 compared to nylon-6 has More abrasion resistant properties All of these Lower melting point Higher hardness More abrasion resistant properties All of these Lower melting point Higher hardness ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plexiglass (also called lucite) because of its high optical transparency is used for making lenses. It is chemically Polycarbonates Phenolic resins Polymethyl methacrylate (PMMA) Polytetraflouroethylene(PTFE) Polycarbonates Phenolic resins Polymethyl methacrylate (PMMA) Polytetraflouroethylene(PTFE) ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In nylon-6, the number 6 represents the total number of Nitrogen atoms in the ring Carbon atoms in the ring Carbon atoms in the linear polymer chain Hydrogen atoms in the ring Nitrogen atoms in the ring Carbon atoms in the ring Carbon atoms in the linear polymer chain Hydrogen atoms in the ring ANSWER DOWNLOAD EXAMIANS APP
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