Polymer Technology Vulcanisation of rubber does not increase its Softness Oxidation resistance Elasticity & water solubility Weight & strength Softness Oxidation resistance Elasticity & water solubility Weight & strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is Polyvinyl alcohol PVC Polyvinyl butyral Polyvinyl acetale Polyvinyl alcohol PVC Polyvinyl butyral Polyvinyl acetale ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology 90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at a temperature of __________ °C. 500-600 -5 10-30 250-280 500-600 -5 10-30 250-280 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology A chain growth polymerisation reaction consists of three different types of reaction namely initiation reaction, propagation reaction & termination reaction. Chain growth polymerisation reaction is not involved in the manufacture of Vinyl polymers Siloxane elastomers Urea-formaldehyde resins Polyamides Vinyl polymers Siloxane elastomers Urea-formaldehyde resins Polyamides ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The rate controlling step in the manufacture of silicone rubber is the Initial hydrolysis of silicone monomer Condensation of siloxane to silicone None of these Polymer termination step Initial hydrolysis of silicone monomer Condensation of siloxane to silicone None of these Polymer termination step ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Acrilan fibres used for making cloth, carpet & blankets, which is a hard, horny & high melting polymeric material is nothing but Saturated polyester Polyamide Alkyd resin Polyacrylonitrile Saturated polyester Polyamide Alkyd resin Polyacrylonitrile ANSWER DOWNLOAD EXAMIANS APP