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? Tricresyl phosphate Esters of phthalic acid Ethylene glycol Stearic acid estors Tricresyl phosphate Esters of phthalic acid Ethylene glycol Stearic acid estors ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers shows the highest anti-tacking properties? Epoxy resin Alkyd resin Melamine formaldehyde resin Phenolic resin Epoxy resin Alkyd resin Melamine formaldehyde resin Phenolic resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymethyl methacrylate, which is an acrylic resin, is also called Plexiglass or lucite Teflon Thiokol Dacron Plexiglass or lucite Teflon Thiokol Dacron ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymerisation of poly functional monomers produces polymers having Good machanical strength None of these Low viscosity Low melting point Good machanical strength None of these Low viscosity Low melting point ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Zeigler - Natta catalyst (AlR₃ - AlCl₃) is used in the polymerisation of Propylene Styrene Vinyl acetate Vinyl chloride Propylene Styrene Vinyl acetate Vinyl chloride 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? Polythene Bakelite (phenol formaldehyde) Nylon-6 Polyester Polythene Bakelite (phenol formaldehyde) Nylon-6 Polyester ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS