Polymer Technology Plasticisers are added to synthetic plastics to Develop new improved properties not present in the original resin All of these Improve workability during fabrication Impart flexibility Develop new improved properties not present in the original resin All of these Improve workability during fabrication Impart flexibility ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer? PTFE Buna-S PMMA Polycaprolactum PTFE Buna-S PMMA Polycaprolactum ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers are produced by employing all bulk polymerisation, solution polymerisation & suspension polymerisation technique of addition (chain) polymerisation? Bakelite PVC Epoxy resin PTFE Bakelite PVC Epoxy resin PTFE ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m². Which of the following polymers has the maximum film elongation (of the order of 100%) ? Cellulose acetate Polythene Teflon Water impermeable cellophane Cellulose acetate Polythene Teflon Water impermeable cellophane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following rubbers has the widest service temperature range (-75 to 275°C) ? Butyl rubber Nitrile rubber Silicon rubber Silicone rubber Butyl rubber Nitrile rubber Silicon rubber Silicone rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin e.g., glyptal resin formed by phthalic anhydride and glycerene is not used For film forming materials For fibre making For surface coating of automobiles & air crafts As plasticiser for PVC & nitrocellulose For film forming materials For fibre making For surface coating of automobiles & air crafts As plasticiser for PVC & nitrocellulose ANSWER DOWNLOAD EXAMIANS APP
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