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 Elastomers are Having high flexural strength Having very high tensile strength and heat resistance Thermosetting material Exemplified by protein derivatives Having high flexural strength Having very high tensile strength and heat resistance Thermosetting material Exemplified by protein derivatives ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is normally used for the manufacture of refrigerator components and transistor parts. Polyurathene Polyproylene Polystyrene Polyester Polyurathene Polyproylene Polystyrene Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic rubber Deforms, if stretched to double of its original dimension Is softer at higher temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is brittle at low temperature Deforms, if stretched to double of its original dimension Is softer at higher temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is brittle at low temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plastic articles are normally produced by __________ moulding. Injection Shell Dry sand Green sand Injection Shell Dry sand Green sand ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The main use of butadiene is None of these As an anti-skimming agent in paint As a plasticiser for unsaturated polyester In the manufacture of synthetic rubber None of these As an anti-skimming agent in paint As a plasticiser for unsaturated polyester In the manufacture of synthetic rubber ANSWER DOWNLOAD EXAMIANS APP