Polymer Technology Polymerisation process in which two or more monomers of chemically different nature take part is called Addition polymerisation Copolymerisation None of these Chain polymerisation Addition polymerisation Copolymerisation None of these Chain polymerisation 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 1:2 1:3 3:1 2:1 1:2 1:3 3:1 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Collapsible tubes for tooth paste are produced by __________ extrusion. None of these Direct Indirect Impact None of these Direct Indirect Impact 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? 51600 49200 50000 50800 51600 49200 50000 50800 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low pressure Zeigler process of polythene manufacture Employs a pressure of 30 kgf/cm² Achieves an yield of 95-98% based on ethylene Does not use any catalyst for polymerisation Produces very low density polythene Employs a pressure of 30 kgf/cm² Achieves an yield of 95-98% based on ethylene Does not use any catalyst for polymerisation Produces very low density polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is a homopolymer. Nylon-66 Neoprene Terylene Bakelite Nylon-66 Neoprene Terylene Bakelite ANSWER DOWNLOAD EXAMIANS APP
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