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 Chloroethane Isoprene Chlorophrene None of these Chloroethane Isoprene Chlorophrene None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following rubbers has the widest service temperature range (-75 to 275°C) ? Butyl rubber Silicon rubber Silicone rubber Nitrile rubber Butyl rubber Silicon rubber Silicone rubber Nitrile rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Scouring is a finishing operation during the manufacture of fibre, which aims at __________ of fibres. Dyeing/colouring Detergent solution washing Glycol soaking Improving the stretchability Dyeing/colouring Detergent solution washing Glycol soaking Improving the stretchability ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate. Rubbery Leathery Hard Fibrous Rubbery Leathery Hard Fibrous ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weights of plastics ranges from 20000 to 25000 10⁹ to l0¹¹ 5000 to 1000 1000 to 5000 20000 to 25000 10⁹ to l0¹¹ 5000 to 1000 1000 to 5000 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer? Buna-S PMMA Polycaprolactum PTFE Buna-S PMMA Polycaprolactum PTFE ANSWER DOWNLOAD EXAMIANS APP
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