Polymer Technology Plexiglass (also called lucite) because of its high optical transparency is used for making lenses. It is chemically Polycarbonates Polytetraflouroethylene(PTFE) Polymethyl methacrylate (PMMA) Phenolic resins Polycarbonates Polytetraflouroethylene(PTFE) Polymethyl methacrylate (PMMA) Phenolic resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The physical state in which polymers exist is Partially crystalline state All of these Melts & rubber like state Amorphous glassy state Partially crystalline state All of these Melts & rubber like state Amorphous glassy state ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Automobile steering wheels are normally made of Cellulose acetate PVC Cellulose nitrate High density polythene Cellulose acetate PVC Cellulose nitrate High density polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as Hardeners Transparency improver Plasticisers Anti-shrinkage agents Hardeners Transparency improver Plasticisers Anti-shrinkage agents ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is PVC Polyvinyl alcohol Polyvinyl acetale Polyvinyl butyral PVC Polyvinyl alcohol Polyvinyl acetale Polyvinyl butyral 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? Carbon black Pine oil Rosin Phosphorous Carbon black Pine oil Rosin Phosphorous ANSWER DOWNLOAD EXAMIANS APP