Polymer Technology Which of the following additives are added to plastics to make it impervious to X-rays? Asbestos Phthalic acid Carborundum Barium salt Asbestos Phthalic acid Carborundum Barium salt ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymerisation of poly functional monomers produces polymers having None of these Low viscosity Low melting point Good machanical strength None of these Low viscosity Low melting point Good machanical strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is Terylene PVC Polybutadiene Polypropylene Terylene PVC Polybutadiene Polypropylene 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? Rosin Carbon black Phosphorous Pine oil Rosin Carbon black Phosphorous Pine oil ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine. Alkyd Phenolic Amino Epoxy Alkyd Phenolic Amino Epoxy ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Reaction of dimethyl terephthalate (DMT) and ethylene glycol produces Dacron Polyester PVC Nylon-6 Dacron Polyester PVC Nylon-6 ANSWER DOWNLOAD EXAMIANS APP