Polymer Technology __________ polythene is most prone to stress-cracking High density Linear low density Cross-linked Low density High density Linear low density Cross-linked Low density ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Branched chair polymers as compared to linear polymers have Higher tensile strength Lower density Higher melting point None of these Higher tensile strength Lower density Higher melting point None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural polymer? Polyurethane Nucleic acids e.g. RNA and DNA Polyisoprene Polysaccharides Polyurethane Nucleic acids e.g. RNA and DNA Polyisoprene Polysaccharides ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Temperature maintained in the emulsion polymerisation reactor for PVC manufacture is about __________ ° C. 50 500 250 -20 50 500 250 -20 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser? Tricresyl phosphate Esters of phthalic acid Stearic acid estors Ethylene glycol Tricresyl phosphate Esters of phthalic acid Stearic acid estors Ethylene glycol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is a copolymer. Polyrophylene Nylon-66 Poly tetra flouro ethylene PVC Polyrophylene Nylon-66 Poly tetra flouro ethylene PVC ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS