Polymer Technology Main constituent of natural rubber is Polybutadiene Polystyrene Poly chloroprene Polyisoprene Polybutadiene Polystyrene Poly chloroprene Polyisoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Density of high density polythene is about __________ gm/c.c. 1.05 1.18 0.99 0.95 1.05 1.18 0.99 0.95 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low density polythene as compared to high density polythene is Harder More flexible Tougher Chemically inert Harder More flexible Tougher Chemically inert ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Branched chain polymers compared to linear polymers have higher Degree of irregularity in atomic packing Melting point Density Tensile strength Degree of irregularity in atomic packing Melting point Density Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin e.g., glyptal resin formed by phthalic anhydride and glycerene is not used As plasticiser for PVC & nitrocellulose For surface coating of automobiles & air crafts For fibre making For film forming materials As plasticiser for PVC & nitrocellulose For surface coating of automobiles & air crafts For fibre making For film forming materials ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following rubbers has the widest service temperature range (-75 to 275°C) ? Butyl rubber Silicon rubber Nitrile rubber Silicone rubber Butyl rubber Silicon rubber Nitrile rubber Silicone rubber ANSWER DOWNLOAD EXAMIANS APP