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? Rosin Phosphorous Carbon black Pine oil Rosin Phosphorous Carbon black Pine oil ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Melamine formaldehyde resin which has a very high anti tacking properties, is not used for the Electrical insulation purpose Tanning of leather Decorative laminates Strengthening of plaster of paris Electrical insulation purpose Tanning of leather Decorative laminates Strengthening of plaster of paris ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a cross linked polymer, the monomeric units are linked together to constitute a three dimensional network. Which of the following is a cross-linked polymer? Polyester Bakelite (phenol formaldehyde) Nylon-6 Polythene Polyester Bakelite (phenol formaldehyde) Nylon-6 Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The generic chemical name for the class of polymers which are commerically known as nylons is Polyamide Polyurathane Polyacrylate Polyolefins Polyamide Polyurathane Polyacrylate Polyolefins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition polymerisation is not involved in the manufacture of Poly vinyl chloride Low density polythene Polystyrene Polyhexamethylene adipamide Poly vinyl chloride Low density polythene Polystyrene Polyhexamethylene adipamide 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 3:1 1:3 2:1 1:2 3:1 1:3 2:1 1:2 ANSWER DOWNLOAD EXAMIANS APP