Polymer Technology Which of the following low molecular weight ( Thiokol PVC Polyvinyl acetate Cellulose acetate Thiokol PVC Polyvinyl acetate Cellulose acetate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Buna-N is also called Nitrile rubber Thiokol Neoprene Butyl rubber Nitrile rubber Thiokol Neoprene Butyl rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyurathane can not be used to make Fibre reinforced plastic (FRP) Automobile cushion Thermal insulation in refrigerator Coating and adhesive Fibre reinforced plastic (FRP) Automobile cushion Thermal insulation in refrigerator Coating and adhesive ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron (or terylene) fibres as compared to nylon fibres have Better heat & acid resistant properties All of these Poorer dyeability Poorer resistance to alkalis Better heat & acid resistant properties All of these Poorer dyeability Poorer resistance to alkalis 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. None of these Organic peroxides Hydroflouric acid Sulphuric acid None of these Organic peroxides Hydroflouric acid Sulphuric acid 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? Ammonium alum Neither A nor B Potassium alum Both A & B Ammonium alum Neither A nor B Potassium alum Both A & B ANSWER DOWNLOAD EXAMIANS APP
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