Polymer Technology Cross linked polymers formed from bi-and trifuctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties. Thermosetting Brittleness Thermoplastic Elastometric Thermosetting Brittleness Thermoplastic Elastometric ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Buna-N is also called Nitrile rubber Thiokol Butyl rubber Neoprene Nitrile rubber Thiokol Butyl rubber Neoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers are produced by employing all bulk polymerisation, solution polymerisation & suspension polymerisation technique of addition (chain) polymerisation? PTFE Bakelite Epoxy resin PVC PTFE Bakelite Epoxy resin PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The monomer for the production of neoprene rubber is Isoprene Acetylene Chloroprene None of these Isoprene Acetylene Chloroprene None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Branched chain polymers compared to linear polymers have higher Degree of irregularity in atomic packing Tensile strength Melting point Density Degree of irregularity in atomic packing Tensile strength Melting point Density ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Typical solvent polymerisation reaction conditions for the production of high density polythene by Zeigler process is 1 kgf/cm² (gage) and 70°C 7 kgf/cm² and 70 °C 1000 kgf/cm² and 100°C 7 kgf/cm² and 700°C 1 kgf/cm² (gage) and 70°C 7 kgf/cm² and 70 °C 1000 kgf/cm² and 100°C 7 kgf/cm² and 700°C ANSWER DOWNLOAD EXAMIANS APP