Polymer Technology Zeigler - Natta catalyst (AlR₃ - AlCl₃) is used in the polymerisation of Styrene Vinyl chloride Propylene Vinyl acetate Styrene Vinyl chloride Propylene Vinyl acetate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Tyres are made by Compression moulding Extrusion Injection moulding Rotational moulding Compression moulding Extrusion Injection moulding Rotational moulding ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent. 1-1000 1000-1500 2000-2500 1500-2000 1-1000 1000-1500 2000-2500 1500-2000 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Crystallisation of polymers is an undesirable property. Crystallisation of celluloid is prevented by adding Nitro cellulose Glycerol Camphor None of these Nitro cellulose Glycerol Camphor None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Identify the group in which all the polymers mentioned can be used to make fibres. Cellulose derivatives, Polyamides, Polyurathane Polypropylene, Poly vinyl chloride, Silicon Butadiene copolymers, Polyamides, Urea aldehyde Cellulose derivatives, Polyisoprene, Polyethylene Cellulose derivatives, Polyamides, Polyurathane Polypropylene, Poly vinyl chloride, Silicon Butadiene copolymers, Polyamides, Urea aldehyde Cellulose derivatives, Polyisoprene, Polyethylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ polythene is most prone to stress-cracking Low density Linear low density High density Cross-linked Low density Linear low density High density Cross-linked ANSWER DOWNLOAD EXAMIANS APP
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