Polymer Technology Neoprene is rendered non-inflammable, because of Its linear chain structure The presence of chlorine atoms in its monomer The absence of chlorine atoms in its monomer Its cross-linked structure Its linear chain structure The presence of chlorine atoms in its monomer The absence of chlorine atoms in its monomer Its cross-linked structure 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? 50800 51600 49200 50000 50800 51600 49200 50000 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not an elastomer? Polyisoprene Neoprene None of these Nitrile-butadiene Polyisoprene Neoprene None of these Nitrile-butadiene ANSWER DOWNLOAD EXAMIANS APP
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 2:1 1:3 1:2 3:1 2:1 1:3 1:2 3:1 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 Improving the stretchability Glycol soaking Dyeing/colouring Detergent solution washing Improving the stretchability Glycol soaking ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic polymer produced by using terephthalic acid and ethylene glycol is Polyesterene Nylon-66 PVC Terylene Polyesterene Nylon-66 PVC Terylene ANSWER DOWNLOAD EXAMIANS APP
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