Polymer Technology SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at 1:3 3:1 2:1 1:2 1:3 3:1 2:1 1:2 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cellulose is the main contituent of most __________ fibres. Spandex Acrylic Natural Synthetic Spandex Acrylic Natural Synthetic 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 Magnesium Thiokol Carbon Alkylated diphenyl amine Magnesium Thiokol Carbon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Neoprene which is used for making shoe heels & belts is superior to natural rubber in its stability to aerial oxidation and resistance to oils & other solvents. The monomer used for making neoprene is Isoprene Chlorophrene None of these Chloroethane Isoprene Chlorophrene None of these Chloroethane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Visco-elastic behaviour exhibited by plastics is a __________ like behaviour. Liquid Solid Combination of solid & liquid Neither solid nor liquid Liquid Solid Combination of solid & liquid Neither solid nor liquid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Linear polymers are normally Thermosplastic Having extremely high softening point Elastometric Thermosetting Thermosplastic Having extremely high softening point Elastometric Thermosetting ANSWER DOWNLOAD EXAMIANS APP
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