Polymer Technology Nylon-66 is a polyamide of Hexamethylene diamine and adipic acid None of these Adipic acid and methyl amine Vinyl chloride and formaldeyde Hexamethylene diamine and adipic acid None of these Adipic acid and methyl amine Vinyl chloride and formaldeyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the __________ fibres. Viscose rayon Saturated polyester Acrylic Polyvinyl acetate Viscose rayon Saturated polyester Acrylic Polyvinyl acetate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a polyolefin? Polystyrene Polypropylene None of these Neoprene Polystyrene Polypropylene None of these Neoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of stabiliser during PVC manufacture is done to Prevent its thermal degradation 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 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The monomer of natural rubber is Both B and C 2 methyl-1-propene DMT Isoprene Both B and C 2 methyl-1-propene DMT Isoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl chloride (PVC) Softening temperature is 200°C Is produced by polycondensation reaction Can be made thermosetting by adding a plasticiser Uses either emulsion or suspension polymerisation methods Softening temperature is 200°C Is produced by polycondensation reaction Can be made thermosetting by adding a plasticiser Uses either emulsion or suspension polymerisation methods ANSWER DOWNLOAD EXAMIANS APP
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