Polymer Technology Styrene butadiene rubber (SBR) is never used for making Coated fabrics Front wheel tyres of aeroplanes (i.e., heavy duty tyres) Gaskets Soles of shoes Coated fabrics Front wheel tyres of aeroplanes (i.e., heavy duty tyres) Gaskets Soles of shoes ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Elastomers are Thermosetting material Having very high tensile strength and heat resistance Having high flexural strength Exemplified by protein derivatives Thermosetting material Having very high tensile strength and heat resistance Having high flexural strength Exemplified by protein derivatives ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Softening point of high density polythene is about __________ °C. 205 135 85 165 205 135 85 165 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at 1:3 2:1 1:2 3:1 1:3 2:1 1:2 3:1 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is Ni Aluminium triethyl combined with titanium tetrachloride Fe V₂O₅ Ni Aluminium triethyl combined with titanium tetrachloride Fe V₂O₅ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ polythene is most prone to stress-cracking Low density Linear low density Cross-linked High density Low density Linear low density Cross-linked High density ANSWER DOWNLOAD EXAMIANS APP
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