Polymer Technology The process involved in converting rubber into a thin sheet or coating it on fabric is called Calendering Vulcanisation Extrusion Mastication Calendering Vulcanisation Extrusion Mastication ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Antioxidants are added to rubber to protect it from the attack of light, heat & atmospheric ozone. Which of the following is an antioxident used in rubber? Thiokol Alkylated diphenyl amine Carbon Magnesium Thiokol Alkylated diphenyl amine Carbon Magnesium ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polypropylene compared to polythene is Stronger Lighter All of these Harder Stronger Lighter All of these Harder ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The monomer for the production of neoprene rubber is Acetylene None of these Isoprene Chloroprene Acetylene None of these Isoprene Chloroprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition polymerisation is not involved in the manufacture of Low density polythene Poly vinyl chloride Polystyrene Polyhexamethylene adipamide Low density polythene Poly vinyl chloride Polystyrene Polyhexamethylene adipamide ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural polymer? Polysaccharides Nucleic acids e.g. RNA and DNA Polyisoprene Polyurethane Polysaccharides Nucleic acids e.g. RNA and DNA Polyisoprene Polyurethane ANSWER DOWNLOAD EXAMIANS APP