Polymer Technology Density of low density polythene is about __________ gm/c.c. 0.38 0.81 0.91 0.56 0.38 0.81 0.91 0.56 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 Sulphuric acid Organic peroxides Hydroflouric acid None of these Sulphuric acid Organic peroxides Hydroflouric 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? Neither A nor B Both A & B Ammonium alum Potassium alum Neither A nor B Both A & B Ammonium alum Potassium alum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene butadiene rubber is commercially manufactured by Bulk polymerisation Solution polymerisation Suspension polymerisation Emulsion polymerisation Bulk polymerisation Solution polymerisation Suspension polymerisation Emulsion polymerisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Main constituent of natural rubber is Polystyrene Polyisoprene Poly chloroprene Polybutadiene Polystyrene Polyisoprene Poly chloroprene Polybutadiene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Scouring is a finishing operation during the manufacture of fibre, which aims at __________ of fibres. Glycol soaking Detergent solution washing Improving the stretchability Dyeing/colouring Glycol soaking Detergent solution washing Improving the stretchability Dyeing/colouring ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS