Polymer Technology Zeigler - Natta catalyst (AlR₃ - AlCl₃) is used in the polymerisation of Vinyl acetate Propylene Styrene Vinyl chloride Vinyl acetate Propylene Styrene Vinyl chloride 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. Polyvinyl acetate Viscose rayon Acrylic Saturated polyester Polyvinyl acetate Viscose rayon Acrylic Saturated polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thiokol is nothing but Exponded polystyrene Polysulphide rubber Polyamide fibre Engineering plastic Exponded polystyrene Polysulphide rubber Polyamide fibre Engineering plastic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron (or terylene) fibres as compared to nylon fibres have Poorer resistance to alkalis Poorer dyeability Better heat & acid resistant properties All of these Poorer resistance to alkalis Poorer dyeability Better heat & acid resistant properties All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plastic tubes & pipes are generally made by __________ moulding. Extrusion Compression Transfer Injection Extrusion Compression Transfer Injection ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is the most important rubber compounding ingradient which is used to improve wearing qualities of both natural rubber & SBR by imparting toughness? Phosphorous Carbon black Pine oil Rosin Phosphorous Carbon black Pine oil Rosin ANSWER DOWNLOAD EXAMIANS APP
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