Polymer Technology Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is Aluminium triethyl combined with titanium tetrachloride Ni Fe V₂O₅ Aluminium triethyl combined with titanium tetrachloride Ni Fe V₂O₅ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is generally not drawn into fibre? Saturated polyesters Unsaturated polyesters Polyamide Polyacrylonitrile Saturated polyesters Unsaturated polyesters Polyamide Polyacrylonitrile ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a condensation polymer? Polymethylmethacrylate (PMMA) None of these Bakelite Melamine polymer Polymethylmethacrylate (PMMA) None of these Bakelite Melamine polymer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m². Which of the following polymers has the maximum film elongation (of the order of 100%) ? Polythene Teflon Cellulose acetate Water impermeable cellophane Polythene Teflon Cellulose acetate Water impermeable cellophane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces Polyamide Epoxy resin Alkyd resin Phenolic resin Polyamide Epoxy resin Alkyd resin Phenolic resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from __________ resins. Epoxy Melamine formaldehyde Urea formaldehyde Phenol formaldehyde Epoxy Melamine formaldehyde Urea formaldehyde Phenol formaldehyde ANSWER DOWNLOAD EXAMIANS APP