Polymer Technology Due to its excellent permeability to air/gas and oxidation resistance, the tubes of automobile tyres is made of Cold SBR Butyl rubber Bunai N Buna S Cold SBR Butyl rubber Bunai N Buna S ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rayon is a __________ fibre. Polyamide Natural Polyester Cellulosic Polyamide Natural Polyester Cellulosic 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 Most of the fibre forming polymers are crystalline in nature, one of the exceptions being __________ which is amorphous in nature. Nylon Polyacrylonitrile Polyester Polypropylene Nylon Polyacrylonitrile Polyester Polypropylene 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? Thiokol Alkylated diphenyl amine Magnesium Carbon Thiokol Alkylated diphenyl amine Magnesium Carbon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a copolymer? Teflon Polythene Bakelite PVC Teflon Polythene Bakelite PVC ANSWER DOWNLOAD EXAMIANS APP
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