Polymer Technology Low pressure Zeigler process of polythene manufacture Produces very low density polythene Does not use any catalyst for polymerisation Employs a pressure of 30 kgf/cm² Achieves an yield of 95-98% based on ethylene Produces very low density polythene Does not use any catalyst for polymerisation Employs a pressure of 30 kgf/cm² Achieves an yield of 95-98% based on ethylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers is used for making a non stick coating on frying pans? PVC Bakelite Teflon Perspex PVC Bakelite Teflon Perspex ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cation exchange resins used in water treatment is made from __________ resin. Amino Epoxy Urea formaldehyde Phenolic Amino Epoxy Urea formaldehyde Phenolic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not an elastomer? Polyisoprene Neoprene Nitrile-butadiene None of these Polyisoprene Neoprene Nitrile-butadiene None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from __________ resins. Epoxy Melamine formaldehyde Urea formaldehyde Phenol formaldehyde Epoxy Melamine formaldehyde Urea formaldehyde Phenol formaldehyde 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? Carbon Alkylated diphenyl amine Thiokol Magnesium Carbon Alkylated diphenyl amine Thiokol Magnesium ANSWER DOWNLOAD EXAMIANS APP
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