Polymer Technology Which of the following is generally not drawn into fibre? Polyamide Unsaturated polyesters Saturated polyesters Polyacrylonitrile Polyamide Unsaturated polyesters Saturated polyesters Polyacrylonitrile ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is Ni Fe Aluminium triethyl combined with titanium tetrachloride V₂O₅ Ni Fe Aluminium triethyl combined with titanium tetrachloride V₂O₅ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is stretched into fibres? Unsaturated polyester Saturated polyester Isoprene Bakelite Unsaturated polyester Saturated polyester Isoprene Bakelite ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In step growth polymerisation, generally only one type of reaction & some basic mechanism is involved. Step growth polymerisation reaction is not involved in the manufacture of Polyamides Polyesters Cross linked polystyrene Phenol formaldehyde resins Polyamides Polyesters Cross linked polystyrene Phenol formaldehyde resins 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 Rosin Pine oil Carbon black Phosphorous Rosin Pine oil Carbon black ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of stabiliser during PVC manufacture is done to Prevent its thermal degradation Improve its elasticity Improve its impact strength Reduce the melt viscosity & glass transition temperature Prevent its thermal degradation Improve its elasticity Improve its impact strength Reduce the melt viscosity & glass transition temperature ANSWER DOWNLOAD EXAMIANS APP