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 Is softer at higher temperature Is brittle at low temperature Deforms, if stretched to double of its original dimension Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is softer at higher temperature Is brittle at low temperature Deforms, if stretched to double of its original dimension ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is Polyvinyl alcohol PVC Polyvinyl butyral Polyvinyl acetale Polyvinyl alcohol PVC Polyvinyl butyral Polyvinyl acetale ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology 90% of the caprolactum is converted to nylon-6 on its condensation polymerisation in the reactor maintained at a temperature of __________ °C. 500-600 -5 250-280 10-30 500-600 -5 250-280 10-30 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The organic acid monomer in nylon 66 is Sebasic acid Adipic acid Benzoic acid Terephthalic acid Sebasic acid Adipic acid Benzoic acid Terephthalic acid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Linear polymers are normally Elastometric Thermosplastic Having extremely high softening point Thermosetting Elastometric Thermosplastic Having extremely high softening point Thermosetting ANSWER DOWNLOAD EXAMIANS APP