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? Magnesium Alkylated diphenyl amine Thiokol Carbon Magnesium Alkylated diphenyl amine Thiokol Carbon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent. 2000-2500 1500-2000 1-1000 1000-1500 2000-2500 1500-2000 1-1000 1000-1500 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition polymerisation is not involved in the manufacture of Low density polythene Polystyrene Polyhexamethylene adipamide Poly vinyl chloride Low density polythene Polystyrene Polyhexamethylene adipamide Poly vinyl chloride ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m². Which of the following polymers has the maximum film elongation (of the order of 100%) ? Polythene Teflon Cellulose acetate Water impermeable cellophane Polythene Teflon Cellulose acetate Water impermeable cellophane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene butadiene rubber (SBR) as compared to natural rubber has All of these Poorer resistance Greater amount of heat build up heavy loading Poor tensile strength All of these Poorer resistance Greater amount of heat build up heavy loading Poor tensile strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-66 is manufactured from Adipic acid and hexamenthylene diamine Caprolactum Dimethyl terephthalate (DMT) and ethylene glycol Maleic anhydride and hexamethylene diamine Adipic acid and hexamenthylene diamine Caprolactum Dimethyl terephthalate (DMT) and ethylene glycol Maleic anhydride and hexamethylene diamine ANSWER DOWNLOAD EXAMIANS APP
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