Polymer Technology Polyesters are manufactured by the polycondensation reaction of Inorganic acid with ethylene glycol Carboxylic acid with ethylene A single monomer Dibasic acid with dihydric alcohol Inorganic acid with ethylene glycol Carboxylic acid with ethylene A single monomer Dibasic acid with dihydric alcohol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-66 compared to nylon-6 has All of these Lower melting point Higher hardness More abrasion resistant properties All of these Lower melting point Higher hardness More abrasion resistant properties ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycaprolactum (Nylon - 6) is produced by the condensation polymerisation of caprolactum at 240-280°C in which the conversion of caprolactum is about __________ percent. 90 75 99 50 90 75 99 50 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces Polyamide Phenolic resin Epoxy resin Alkyd resin Polyamide Phenolic resin Epoxy resin Alkyd resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rain coats are made of PVC SBR Polyurathane Neoprene PVC SBR Polyurathane Neoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic rubber Is softer at higher 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 brittle at low temperature Is softer at higher 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 brittle at low temperature ANSWER DOWNLOAD EXAMIANS APP