Polymer Technology Which of the following polymers does not belong to the class of polyacrylate polymer? Polyethyl acrylate Polyacrylonitrile PMMA None of these Polyethyl acrylate Polyacrylonitrile PMMA None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plasticisers are added to synthetic plastics to Impart flexibility Develop new improved properties not present in the original resin Improve workability during fabrication All of these Impart flexibility Develop new improved properties not present in the original resin Improve workability during fabrication All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at 1:2 2:1 3:1 1:3 1:2 2:1 3:1 1:3 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weight of polymers are in the range of 10²-10⁷ 10 to 10³ 10⁷-10⁹ 10⁹-10¹¹ 10²-10⁷ 10 to 10³ 10⁷-10⁹ 10⁹-10¹¹ ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following rubbers has the widest service temperature range (-75 to 275°C) ? Silicone rubber Silicon rubber Butyl rubber Nitrile rubber Silicone rubber Silicon rubber Butyl rubber Nitrile rubber ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Branched chair polymers as compared to linear polymers have Higher tensile strength Lower density None of these Higher melting point Higher tensile strength Lower density None of these Higher melting point ANSWER DOWNLOAD EXAMIANS APP
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