Polymer Technology Which of the following additives are added to plastics to make it impervious to X-rays? Phthalic acid Asbestos Barium salt Carborundum Phthalic acid Asbestos Barium salt Carborundum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Vulcanisation of rubber does not increase its Oxidation resistance Elasticity & water solubility Softness Weight & strength Oxidation resistance Elasticity & water solubility Softness Weight & strength 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? Both A & B Ammonium alum Potassium alum Neither A nor B Both A & B Ammonium alum Potassium alum Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding Nitro cellulose Camphor None of these Glycerol Nitro cellulose Camphor None of these Glycerol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plastic articles are normally produced by __________ moulding. Dry sand Injection Shell Green sand Dry sand Injection Shell Green sand ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Orion is Obtained by polymerising vinyl cyanide All of these A copolymer A condensation polymer Obtained by polymerising vinyl cyanide All of these A copolymer A condensation polymer ANSWER DOWNLOAD EXAMIANS APP
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