Polymer Technology Low pressure Zeigler process of polythene manufacture Employs a pressure of 30 kgf/cm² Produces very low density polythene Achieves an yield of 95-98% based on ethylene Does not use any catalyst for polymerisation Employs a pressure of 30 kgf/cm² Produces very low density polythene Achieves an yield of 95-98% based on ethylene Does not use any catalyst for polymerisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is not a polyester fibre. Terylene Dacron Polyacrylonitrite Nylon Terylene Dacron Polyacrylonitrite Nylon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser? Esters of phthalic acid Tricresyl phosphate Ethylene glycol Stearic acid estors Esters of phthalic acid Tricresyl phosphate Ethylene glycol Stearic acid estors ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin e.g., glyptal resin formed by phthalic anhydride and glycerene is not used As plasticiser for PVC & nitrocellulose For fibre making For surface coating of automobiles & air crafts For film forming materials As plasticiser for PVC & nitrocellulose For fibre making For surface coating of automobiles & air crafts For film forming materials ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Automobile steering wheels are normally made of Cellulose acetate PVC Cellulose nitrate High density polythene Cellulose acetate PVC Cellulose nitrate High density polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Ion exchange resins are made of Lucite Sulphonated bakelite Polystyrene Teflon Lucite Sulphonated bakelite Polystyrene Teflon ANSWER DOWNLOAD EXAMIANS APP
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