Polymer Technology Styrene butadiene rubber is commercially manufactured by Suspension polymerisation Emulsion polymerisation Solution polymerisation Bulk polymerisation Suspension polymerisation Emulsion polymerisation Solution polymerisation Bulk polymerisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most of the fibre forming polymers are crystalline in nature, one of the exceptions being __________ which is amorphous in nature. Nylon Polyester Polypropylene Polyacrylonitrile Nylon Polyester Polypropylene Polyacrylonitrile ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine. Alkyd Phenolic Amino Epoxy Alkyd Phenolic Amino Epoxy ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Due to its excellent permeability to air/gas and oxidation resistance, the tubes of automobile tyres is made of Cold SBR Bunai N Butyl rubber Buna S Cold SBR Bunai N Butyl rubber Buna S 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 Both A & B Potassium alum Ammonium alum Neither A nor B Both A & B Potassium alum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology 90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at a temperature of __________ °C. 500-600 10-30 -5 250-280 500-600 10-30 -5 250-280 ANSWER DOWNLOAD EXAMIANS APP
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