Polymer Technology Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is V₂O₅ Ni Fe Aluminium triethyl combined with titanium tetrachloride V₂O₅ Ni Fe Aluminium triethyl combined with titanium tetrachloride ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene butadiene rubber (SBR) as compared to natural rubber has Poorer resistance Greater amount of heat build up heavy loading Poor tensile strength All of these Poorer resistance Greater amount of heat build up heavy loading Poor tensile strength All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Diphenylamine is added to rubber to Protect it from deterioration on exposure to air Valcanise it Make it non-inflammable Make it thermosetting Protect it from deterioration on exposure to air Valcanise it Make it non-inflammable Make it thermosetting ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weights of plastics ranges from 5000 to 1000 1000 to 5000 10⁹ to l0¹¹ 20000 to 25000 5000 to 1000 1000 to 5000 10⁹ to l0¹¹ 20000 to 25000 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cation exchange resins used in water treatment is made from __________ resin. Epoxy Urea formaldehyde Phenolic Amino Epoxy Urea formaldehyde Phenolic Amino ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a polymer of hexamethylene diamine and adipic acid? Nylon-66 Nylon-6, 10 Epoxy resin Nylon-6 Nylon-66 Nylon-6, 10 Epoxy resin Nylon-6 ANSWER DOWNLOAD EXAMIANS APP