Polymer Technology __________ polythene is most prone to stress-cracking Low density Cross-linked Linear low density High density Low density Cross-linked Linear low density High density ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Reaction of dimethyl terephthalate (DMT) and ethylene glycol produces Nylon-6 Dacron PVC Polyester Nylon-6 Dacron PVC Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Due to its excellent permeability to air/gas and oxidation resistance, the tubes of automobile tyres is made of Butyl rubber Bunai N Cold SBR Buna S Butyl rubber Bunai N Cold SBR Buna S ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of plasticisers to polymers results in partial neutralisation of intermolecular forces of attraction between the macro-molecules thereby increasing its Tensile strength Chemical resistance Flexibility All of these Tensile strength Chemical resistance Flexibility All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural polymer? Nucleic acids e.g. RNA and DNA Polysaccharides Polyurethane Polyisoprene Nucleic acids e.g. RNA and DNA Polysaccharides Polyurethane Polyisoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymethyl methacrylate (PMMA) which is also known as perspex and is produced by bulk polymerisation of methyl methacrylate is not a __________ polymer. Thermosetting Glass like transparent Linear Thermoplastic Thermosetting Glass like transparent Linear Thermoplastic ANSWER DOWNLOAD EXAMIANS APP