Polymer Technology Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is V₂O₅ Fe Aluminium triethyl combined with titanium tetrachloride Ni V₂O₅ Fe Aluminium triethyl combined with titanium tetrachloride Ni ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine. Phenolic Amino Epoxy Alkyd Phenolic Amino Epoxy Alkyd ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cellulose content in bomboo fibre is about __________ percent. 20 50 85 10 20 50 85 10 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not an elastomer? Polyisoprene Nitrile-butadiene None of these Neoprene Polyisoprene Nitrile-butadiene None of these Neoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plexiglass (also called lucite) because of its high optical transparency is used for making lenses. It is chemically Phenolic resins Polymethyl methacrylate (PMMA) Polytetraflouroethylene(PTFE) Polycarbonates Phenolic resins Polymethyl methacrylate (PMMA) Polytetraflouroethylene(PTFE) Polycarbonates ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of stabiliser during PVC manufacture is done to Improve its elasticity Reduce the melt viscosity & glass transition temperature Improve its impact strength Prevent its thermal degradation Improve its elasticity Reduce the melt viscosity & glass transition temperature Improve its impact strength Prevent its thermal degradation ANSWER DOWNLOAD EXAMIANS APP
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