Polymer Technology Addition of stabiliser during PVC manufacture is done to Prevent its thermal degradation Improve its elasticity Reduce the melt viscosity & glass transition temperature Improve its impact strength Prevent its thermal degradation Improve its elasticity Reduce the melt viscosity & glass transition temperature Improve its impact strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycaprolactum (Nylon - 6) is produced by the condensation polymerisation of caprolactum at 240-280°C in which the conversion of caprolactum is about __________ percent. 90 99 50 75 90 99 50 75 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting polymers as compared to thermoplastic polymers Are formed by addition polymerisation Have linear structure None of these Have three dimensional structure Are formed by addition polymerisation Have linear structure None of these Have three dimensional structure ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polythene is a/an Thermosetting material Condensation polymerisation product Addition polymerisation product None of these Thermosetting material Condensation polymerisation product Addition polymerisation product None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most of the fibre forming polymers are crystalline in nature, one of the exceptions being __________ which is amorphous in nature. Polypropylene Polyacrylonitrile Polyester Nylon Polypropylene Polyacrylonitrile Polyester Nylon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Buna-N is also called Thiokol Nitrile rubber Butyl rubber Neoprene Thiokol Nitrile rubber Butyl rubber Neoprene ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS