Polymer Technology Which of the following is not a polyolefin? Polypropylene Polystyrene Neoprene None of these Polypropylene Polystyrene Neoprene None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Maximum consumption of polymers is in Toys making Electrical insulation Coating and films Packaging Toys making Electrical insulation Coating and films Packaging ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Natural rubber is obtained from latex, which is a colloidal dispersion of rubber in water. Which of the following is used as a coagulant in latex? Both A & B Potassium alum Ammonium alum Neither A nor B Both A & B Potassium alum Ammonium alum Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Perspex can be used as a substitute of glass. Its monomer is Methyl methacrylate Tetrafluroethylene DMT Butadiene Methyl methacrylate Tetrafluroethylene DMT Butadiene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition polymerisation takes place either by a free radical mechanism or ionic machanism depending on the reagents used. Free radical polymerisation is catelyzed by __________ , which decompose to give free radicals. Hydroflouric acid Sulphuric acid None of these Organic peroxides Hydroflouric acid Sulphuric acid None of these Organic peroxides ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In step growth polymerisation, generally only one type of reaction & some basic mechanism is involved. Step growth polymerisation reaction is not involved in the manufacture of Polyamides Phenol formaldehyde resins Cross linked polystyrene Polyesters Polyamides Phenol formaldehyde resins Cross linked polystyrene Polyesters ANSWER DOWNLOAD EXAMIANS APP
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