Polymer Technology __________ is not a polyester fibre. Dacron Nylon Terylene Polyacrylonitrite Dacron Nylon Terylene Polyacrylonitrite ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at 1:3 1:2 3:1 2:1 1:3 1:2 3:1 2:1 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Temperature maintained in the emulsion polymerisation reactor for PVC manufacture is about __________ ° C. 250 50 500 -20 250 50 500 -20 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%) ? Cellulose acetate Teflon Polythene Water impermeable cellophane Cellulose acetate Teflon Polythene Water impermeable cellophane 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? Carbon black Pine oil Phosphorous Rosin Carbon black Pine oil Phosphorous Rosin 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 Saturated polyester Acrylic Viscose rayon Polyvinyl acetate Saturated polyester Acrylic Viscose rayon ANSWER DOWNLOAD EXAMIANS APP