Polymer Technology Main constituent of natural rubber is Polystyrene Polybutadiene Polyisoprene Poly chloroprene Polystyrene Polybutadiene Polyisoprene Poly chloroprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The inter particle forces between linear chains in nylon-66 are __________ bonds. Hydrogen Covalant None of these Ionic Hydrogen Covalant None of these Ionic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ polythene is most prone to stress-cracking Cross-linked High density Low density Linear low density Cross-linked High density Low density Linear low density ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic rubber Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Deforms, if stretched to double of its original dimension Is brittle at low temperature Is softer at higher temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Deforms, if stretched to double of its original dimension Is brittle at low temperature Is softer at higher temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not an elastomer? Polyisoprene Nitrile-butadiene Neoprene None of these Polyisoprene Nitrile-butadiene Neoprene None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Flexible foam (for mattresses) are usually made of Polyurethanes Silicone rubber Polyamides PVC Polyurethanes Silicone rubber Polyamides PVC ANSWER DOWNLOAD EXAMIANS APP
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