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 softer at higher temperature Is brittle at low 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 softer at higher temperature Is brittle at low temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rexin (also called artificial leather), which is used for making table cover, automobile seat cover, shoes etc. is made by coating thick cloth with molten SBR PVC Bakelite Teflon SBR PVC Bakelite Teflon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Orlan fibre which is used as a wool sub stitute is Polyacrylonitrile Polymethylmethacrylate (PMMA) An amorphous polymer A natural polymeric fibre Polyacrylonitrile Polymethylmethacrylate (PMMA) An amorphous polymer A natural polymeric fibre 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. 500-600 250-280 10-30 -5 500-600 250-280 10-30 -5 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Reaction of dimethyl terephthalate (DMT) and ethylene glycol produces Polyester Dacron Nylon-6 PVC Polyester Dacron Nylon-6 PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is the most important rubber compounding ingradient which is used to improve wearing qualities of both natural rubber & SBR by imparting toughness? Phosphorous Carbon black Pine oil Rosin Phosphorous Carbon black Pine oil Rosin ANSWER DOWNLOAD EXAMIANS APP
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