Polymer Technology __________ are produced by reacting polybasic acid (e.g. phthalic anhydride) with polyhydric alcohol (e.g., glycerol). Alkyd resins Saturated polyester Unsaturated polyester Amino resins Alkyd resins Saturated polyester Unsaturated polyester Amino resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low density polythene as compared to high density polythene is Tougher Chemically inert More flexible Harder Tougher Chemically inert More flexible Harder ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Main constituent of natural rubber is Polyisoprene Polybutadiene Polystyrene Poly chloroprene Polyisoprene Polybutadiene Polystyrene Poly chloroprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymerisation of poly functional monomers produces polymers having Low melting point Low viscosity None of these Good machanical strength Low melting point Low viscosity None of these Good machanical strength 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 Phosphorous Pine oil Carbon black Rosin Phosphorous Pine oil Carbon black ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Buna-N is also called Butyl rubber Nitrile rubber Thiokol Neoprene Butyl rubber Nitrile rubber Thiokol Neoprene ANSWER DOWNLOAD EXAMIANS APP