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? Carbon Alkylated diphenyl amine Magnesium Thiokol Carbon Alkylated diphenyl amine Magnesium Thiokol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ practically possess no elasticity. Vulcanite or ebonite Spandex fibre Epoxy resin Polysulphide rubber Vulcanite or ebonite Spandex fibre Epoxy resin Polysulphide rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800? 50000 49200 50800 51600 50000 49200 50800 51600 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Identify the group in which all the polymers mentioned can be used to make fibres. Polypropylene, Poly vinyl chloride, Silicon Cellulose derivatives, Polyamides, Polyurathane Butadiene copolymers, Polyamides, Urea aldehyde Cellulose derivatives, Polyisoprene, Polyethylene Polypropylene, Poly vinyl chloride, Silicon Cellulose derivatives, Polyamides, Polyurathane Butadiene copolymers, Polyamides, Urea aldehyde Cellulose derivatives, Polyisoprene, Polyethylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Buna-N is also called Nitrile rubber Thiokol Neoprene Butyl rubber Nitrile rubber Thiokol Neoprene Butyl rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Reaction of dimethyl terephthalate (DMT) and ethylene glycol produces Nylon-6 Polyester Dacron PVC Nylon-6 Polyester Dacron PVC ANSWER DOWNLOAD EXAMIANS APP