Polymer Technology Cation exchange resins used in water treatment is made from __________ resin. Epoxy Amino Phenolic Urea formaldehyde Epoxy Amino Phenolic Urea formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Molecular weights of plastics ranges from 20000 to 25000 1000 to 5000 5000 to 1000 10⁹ to l0¹¹ 20000 to 25000 1000 to 5000 5000 to 1000 10⁹ to l0¹¹ ANSWER DOWNLOAD EXAMIANS APP
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 49200 50000 51600 50800 49200 50000 51600 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Scouring is a finishing operation during the manufacture of fibre, which aims at __________ of fibres. Glycol soaking Detergent solution washing Improving the stretchability Dyeing/colouring Glycol soaking Detergent solution washing Improving the stretchability Dyeing/colouring ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology A copolymer is formed by the combination of two or more monomer molecules Of the same monomer by elimination of small molecules of water In a chain without the elimination of water None of these With the elimination of small amount of water Of the same monomer by elimination of small molecules of water In a chain without the elimination of water None of these With the elimination of small amount of water ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Size range of polymer molecules varies from __________ metre. 10⁻⁴ to 10⁻⁷ 10⁻⁸ to 10⁻¹⁰ 10⁻² to 10⁻⁵ 10⁻¹ to 10⁻² 10⁻⁴ to 10⁻⁷ 10⁻⁸ to 10⁻¹⁰ 10⁻² to 10⁻⁵ 10⁻¹ to 10⁻² ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS