Polymer Technology Tyres are made by Rotational moulding Compression moulding Extrusion Injection moulding Rotational moulding Compression moulding Extrusion Injection moulding ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Natural rubber is obtained from latex, which is a colloidal dispersion of rubber in water. Which of the following is used as a coagulant in latex? Both A & B Neither A nor B Potassium alum Ammonium alum Both A & B Neither A nor B Potassium alum Ammonium alum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycondensation reaction of polymerisation Produces epoxy polymers Produces only thermoplastic material Does not produce linear polymers Does not need any catalyst Produces epoxy polymers Produces only thermoplastic material Does not produce linear polymers Does not need any catalyst ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene which is a monomer for the production of polystyrene, is commercially produced by the Fermentation of starch Dehydration of ethyl alcohol followed by hydrogenation Reacting ethylene oxide with acetal-dehyde Catalytic dehydrogenation of ethyl benzene Fermentation of starch Dehydration of ethyl alcohol followed by hydrogenation Reacting ethylene oxide with acetal-dehyde Catalytic dehydrogenation of ethyl benzene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Bristles of tooth brushes are made of Nylon-6 Nylon-66 PVC Polystyrene Nylon-6 Nylon-66 PVC Polystyrene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Contact lenses for eyes are made of perspex, which is nothing but Unsaturated polyester Polymethylmethacrylate Polypropylene Polystyrene Unsaturated polyester Polymethylmethacrylate Polypropylene Polystyrene ANSWER DOWNLOAD EXAMIANS APP
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