Polymer Technology Synthetic rubber Is brittle at low temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is softer at higher temperature Deforms, if stretched to double of its original dimension Is brittle at low temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is softer at higher temperature Deforms, if stretched to double of its original dimension ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Elastomers are Exemplified by protein derivatives Having very high tensile strength and heat resistance Having high flexural strength Thermosetting material Exemplified by protein derivatives Having very high tensile strength and heat resistance Having high flexural strength Thermosetting material ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Visco-elastic behaviour exhibited by plastics is a __________ like behaviour. Solid Liquid Neither solid nor liquid Combination of solid & liquid Solid Liquid Neither solid nor liquid Combination of solid & liquid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Celluloid is Regenerated cellulose Cellulose acetate butyrate Cellulose nitrate Cellulose acetate Regenerated cellulose Cellulose acetate butyrate Cellulose nitrate Cellulose acetate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is stretched into fibres? Isoprene Saturated polyester Unsaturated polyester Bakelite Isoprene Saturated polyester Unsaturated polyester Bakelite ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plastic articles are normally produced by __________ moulding. Dry sand Shell Green sand Injection Dry sand Shell Green sand Injection ANSWER DOWNLOAD EXAMIANS APP
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