Polymer Technology Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800? 50800 50000 49200 51600 50800 50000 49200 51600 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? Pine oil Rosin Phosphorous Carbon black Pine oil Rosin Phosphorous Carbon black ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Neoprene which is used for making shoe heels & belts is superior to natural rubber in its stability to aerial oxidation and resistance to oils & other solvents. The monomer used for making neoprene is Chlorophrene None of these Chloroethane Isoprene Chlorophrene None of these Chloroethane Isoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron is a/an Polyester Unsaturated polyester Inorganic polymer Polyamide Polyester Unsaturated polyester Inorganic polymer Polyamide ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Trade name of __________ is neoprene. Polychloroprene Polyisoprene Poly vinyl acetate Polytetraflouroethylene Polychloroprene Polyisoprene Poly vinyl acetate Polytetraflouroethylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Dacron (or terylene) fibres as compared to nylon fibres have All of these Better heat & acid resistant properties Poorer resistance to alkalis Poorer dyeability All of these Better heat & acid resistant properties Poorer resistance to alkalis Poorer dyeability ANSWER DOWNLOAD EXAMIANS APP
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