Polymer Technology Which of the following additives are added to plastics to make it impervious to X-rays? Barium salt Phthalic acid Asbestos Carborundum Barium salt Phthalic acid Asbestos Carborundum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plexiglass (also called lucite) because of its high optical transparency is used for making lenses. It is chemically Phenolic resins Polytetraflouroethylene(PTFE) Polycarbonates Polymethyl methacrylate (PMMA) Phenolic resins Polytetraflouroethylene(PTFE) Polycarbonates Polymethyl methacrylate (PMMA) ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Starting material for the production of butadiene in India is Naphthalene Benzol Ethyl alcohol Phthalic anhydride Naphthalene Benzol Ethyl alcohol Phthalic anhydride ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a condensation polymer? Bakelite Polymethylmethacrylate (PMMA) Melamine polymer None of these Bakelite Polymethylmethacrylate (PMMA) Melamine polymer None of these 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? Alkylated diphenyl amine Carbon Thiokol Magnesium Alkylated diphenyl amine Carbon Thiokol Magnesium ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Lavatory cisterns are normally made of Expanded polystyrene PVC Perspex Saturated polyester Expanded polystyrene PVC Perspex Saturated polyester ANSWER DOWNLOAD EXAMIANS APP