Polymer Technology Synthetic rubber Is brittle at low temperature Deforms, if stretched to double of its original dimension Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is softer at higher temperature Is brittle at low temperature Deforms, if stretched to double of its original dimension Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is softer at higher temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Typical solvent polymerisation reaction conditions for the production of high density polythene by Zeigler process is 7 kgf/cm² and 70 °C 1000 kgf/cm² and 100°C 1 kgf/cm² (gage) and 70°C 7 kgf/cm² and 700°C 7 kgf/cm² and 70 °C 1000 kgf/cm² and 100°C 1 kgf/cm² (gage) and 70°C 7 kgf/cm² and 700°C ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Unbreakable crockeries are made from __________ polymers. Polystyrene Polyurathane Polystyrene Melamine Polystyrene Polyurathane Polystyrene Melamine ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In nylon-6, the number 6 represents the total number of Carbon atoms in the linear polymer chain Hydrogen atoms in the ring Nitrogen atoms in the ring Carbon atoms in the ring Carbon atoms in the linear polymer chain Hydrogen atoms in the ring Nitrogen atoms in the ring Carbon atoms in the ring ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is produced by polymerisation of chloroprene. Thiokol (a polysulphide rubber) Butyl rubber Neoprene Polyurathane rubber Thiokol (a polysulphide rubber) Butyl rubber Neoprene Polyurathane rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers has the tendency of decomposing before melting? Polystyrene PVC None of these Nylon Polystyrene PVC None of these Nylon ANSWER DOWNLOAD EXAMIANS APP
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