Polymer Technology Polyesters are manufactured by the polycondensation reaction of Dibasic acid with dihydric alcohol A single monomer Inorganic acid with ethylene glycol Carboxylic acid with ethylene Dibasic acid with dihydric alcohol A single monomer Inorganic acid with ethylene glycol Carboxylic acid with ethylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ practically possess no elasticity. Polysulphide rubber Vulcanite or ebonite Epoxy resin Spandex fibre Polysulphide rubber Vulcanite or ebonite Epoxy resin Spandex fibre ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-66 is manufactured from Caprolactum Maleic anhydride and hexamethylene diamine Dimethyl terephthalate (DMT) and ethylene glycol Adipic acid and hexamenthylene diamine Caprolactum Maleic anhydride and hexamethylene diamine Dimethyl terephthalate (DMT) and ethylene glycol Adipic acid and hexamenthylene diamine ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Size range of polymer molecules varies from __________ metre. 10⁻² to 10⁻⁵ 10⁻¹ to 10⁻² 10⁻⁴ to 10⁻⁷ 10⁻⁸ to 10⁻¹⁰ 10⁻² to 10⁻⁵ 10⁻¹ to 10⁻² 10⁻⁴ to 10⁻⁷ 10⁻⁸ to 10⁻¹⁰ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Scouring is a finishing operation during the manufacture of fibre, which aims at __________ of fibres. Detergent solution washing Glycol soaking Improving the stretchability Dyeing/colouring Detergent solution washing Glycol soaking Improving the stretchability Dyeing/colouring ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Antioxidants are added to rubber to protect it from the attack of light, heat & atmospheric ozone. Which of the following is an antioxident used in rubber? Alkylated diphenyl amine Thiokol Carbon Magnesium Alkylated diphenyl amine Thiokol Carbon Magnesium ANSWER DOWNLOAD EXAMIANS APP
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