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? Alkylated diphenyl amine Thiokol Carbon Magnesium Alkylated diphenyl amine Thiokol Carbon Magnesium ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following additives are added to plastics to make it impervious to X-rays? Barium salt Asbestos Carborundum Phthalic acid Barium salt Asbestos Carborundum Phthalic acid 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? Bakelite (phenol formaldehyde) Polythene Polyester Nylon-6 Bakelite (phenol formaldehyde) Polythene Polyester Nylon-6 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon 6, 10 which is used for bristles making is superior to nylon 6, 6 due to its lower water absorption capacity, is a/an Polystyrene Polyester Polyisoprene Polyamide Polystyrene Polyester Polyisoprene Polyamide ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a thermoplastic material? Epoxy polymer PVC Polystyrene Polythene Epoxy polymer PVC Polystyrene Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as Transparency improver Plasticisers Anti-shrinkage agents Hardeners Transparency improver Plasticisers Anti-shrinkage agents Hardeners ANSWER DOWNLOAD EXAMIANS APP