Polymer Technology Which of the following additives are added to plastics to make it impervious to X-rays? Carborundum Asbestos Barium salt Phthalic acid Carborundum Asbestos Barium salt Phthalic acid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers does not belong to the class of polyacrylate polymer? Polyacrylonitrile None of these PMMA Polyethyl acrylate Polyacrylonitrile None of these PMMA Polyethyl acrylate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology A copolymer is formed by the combination of two or more monomer molecules None of these With the elimination of small amount of water In a chain without the elimination of water Of the same monomer by elimination of small molecules of water None of these With the elimination of small amount of water In a chain without the elimination of water Of the same monomer by elimination of small molecules of water ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron is a Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol Thermosetting material None of these Condensation polymerisation product of hexamethylene diamine and adipic acid Condensation polymerisation product of dimethyl terephthalate (DMT) and ethylene glycol Thermosetting material None of these Condensation polymerisation product of hexamethylene diamine and adipic acid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting polymers as compared to thermoplastic polymers None of these Have three dimensional structure Have linear structure Are formed by addition polymerisation None of these Have three dimensional structure Have linear structure Are formed by addition polymerisation 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 Potassium alum Both A & B Ammonium alum Neither A nor B Potassium alum Both A & B Ammonium alum ANSWER DOWNLOAD EXAMIANS APP
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