Polymer Technology Catalyst used in the production of high density polythene by low pressure Ziegler process is Aluminium triethyl activated with TiCl₄ Molybdenum Nickel Platinum Aluminium triethyl activated with TiCl₄ Molybdenum Nickel Platinum 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 Potassium alum Ammonium alum Neither A nor B Both A & B Potassium alum Ammonium alum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of stabiliser during PVC manufacture is done to Reduce the melt viscosity & glass transition temperature Improve its impact strength Improve its elasticity Prevent its thermal degradation Reduce the melt viscosity & glass transition temperature Improve its impact strength Improve its elasticity Prevent its thermal degradation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation of bisphenol A with phosgene produces __________ which possess very good heat resistance. Polyurathane Polycarbonate Polysulphone Polyester Polyurathane Polycarbonate Polysulphone Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Diphenylamine is added to rubber to Protect it from deterioration on exposure to air Make it non-inflammable Make it thermosetting Valcanise it Protect it from deterioration on exposure to air Make it non-inflammable Make it thermosetting Valcanise it ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron is a/an Inorganic polymer Polyester Polyamide Unsaturated polyester Inorganic polymer Polyester Polyamide Unsaturated polyester ANSWER DOWNLOAD EXAMIANS APP