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? Pine oil Rosin Carbon black Phosphorous Pine oil Rosin Carbon black Phosphorous ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Epoxy resins (i.e., epoxide polymers) Contain an epoxy group ( ##### ) at the ends of the polymer Are made by addition polymerisation reaction only Are cross-linked polymers only Use emulsion polymerisation methods Contain an epoxy group ( ##### ) at the ends of the polymer Are made by addition polymerisation reaction only Are cross-linked polymers only Use emulsion polymerisation methods ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polypropylene compared to polythene is Lighter Harder All of these Stronger Lighter Harder All of these Stronger ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as Anti-shrinkage agents Plasticisers Transparency improver Hardeners Anti-shrinkage agents Plasticisers Transparency improver Hardeners ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Orion is A copolymer A condensation polymer All of these Obtained by polymerising vinyl cyanide A copolymer A condensation polymer All of these Obtained by polymerising vinyl cyanide ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyurathane can not be used for making Bottles Mattresses & foam Coating material Adhesives Bottles Mattresses & foam Coating material Adhesives ANSWER DOWNLOAD EXAMIANS APP