Polymer Technology Styrene which is a monomer for the production of polystyrene, is commercially produced by the Reacting ethylene oxide with acetal-dehyde Fermentation of starch Catalytic dehydrogenation of ethyl benzene Dehydration of ethyl alcohol followed by hydrogenation Reacting ethylene oxide with acetal-dehyde Fermentation of starch Catalytic dehydrogenation of ethyl benzene Dehydration of ethyl alcohol followed by hydrogenation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Poly Vinyl chloride (PVC) is a __________ material. Chemically active Thermosetting Fibrous Thermoplastic Chemically active Thermosetting Fibrous Thermoplastic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ polythene is most prone to stress-cracking Linear low density Cross-linked High density Low density Linear low density Cross-linked High density Low density 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 700°C 1000 kgf/cm² and 100°C 1 kgf/cm² (gage) and 70°C 7 kgf/cm² and 70 °C 7 kgf/cm² and 700°C 1000 kgf/cm² and 100°C 1 kgf/cm² (gage) and 70°C 7 kgf/cm² and 70 °C ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Collapsible tubes for tooth paste are produced by __________ extrusion. Impact Direct None of these Indirect Impact Direct None of these Indirect ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Tyres are made by Injection moulding Extrusion Rotational moulding Compression moulding Injection moulding Extrusion Rotational moulding Compression moulding ANSWER DOWNLOAD EXAMIANS APP