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 Ammonium alum Neither A nor B Potassium alum Both A & B Ammonium alum Neither A nor B Potassium alum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is generally not drawn into fibre? Polyacrylonitrile Polyamide Saturated polyesters Unsaturated polyesters Polyacrylonitrile Polyamide Saturated polyesters Unsaturated polyesters ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Perspex can be used as a substitute of glass. Its monomer is Butadiene Tetrafluroethylene Methyl methacrylate DMT Butadiene Tetrafluroethylene Methyl methacrylate DMT ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800? 51600 50000 49200 50800 51600 50000 49200 50800 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Main constituent of natural rubber is Polybutadiene Polystyrene Poly chloroprene Polyisoprene Polybutadiene Polystyrene Poly chloroprene Polyisoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces Alkyd resin Phenolic resin Epoxy resin Polyamide Alkyd resin Phenolic resin Epoxy resin Polyamide ANSWER DOWNLOAD EXAMIANS APP