Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to Increase its viscosity Reduce its viscosity to permit easier processing Reduce the time of vulcanisation and quantity of vulcanising agent Protect rubber goods from attack by oxygen & ozone present in the atmosphere Increase its viscosity Reduce its viscosity to permit easier processing Reduce the time of vulcanisation and quantity of vulcanising agent Protect rubber goods from attack by oxygen & ozone present in the atmosphere ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin is a/an Addition polymer Polyamide Polyolefin Polyester Addition polymer Polyamide Polyolefin Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following additives are added to plastics to make it impervious to X-rays? Phthalic acid Carborundum Barium salt Asbestos Phthalic acid Carborundum Barium salt Asbestos ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is a copolymer. Polyrophylene Nylon-66 Poly tetra flouro ethylene PVC Polyrophylene Nylon-66 Poly tetra flouro ethylene PVC 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 Pine oil Carbon black Rosin Phosphorous Pine oil Carbon black Rosin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of __________ produces bakelite. Propylene Phenol & acetaldehyde Phenol & formaldehyde Urea & formaldehyde Propylene Phenol & acetaldehyde Phenol & formaldehyde Urea & formaldehyde ANSWER DOWNLOAD EXAMIANS APP
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