Polymer Technology Which of the following is the lowest cost plastic commercially available? Bakelite PVC Polythene Teflon Bakelite PVC Polythene Teflon 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? 50000 51600 49200 50800 50000 51600 49200 50800 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is generally not drawn into fibre? Polyamide Saturated polyesters Polyacrylonitrile Unsaturated polyesters Polyamide Saturated polyesters Polyacrylonitrile Unsaturated polyesters ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent. 2000-2500 1500-2000 1-1000 1000-1500 2000-2500 1500-2000 1-1000 1000-1500 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology A copolymer is formed by the combination of two or more monomer molecules In a chain without the elimination of water Of the same monomer by elimination of small molecules of water None of these With the elimination of small amount of water In a chain without the elimination of water Of the same monomer by elimination of small molecules of water None of these With the elimination of small amount of water ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The monomer of poly vinyl chloride (PVC) is Ethyl chloride Chloroethene Chloroform Ethylene dichloride Ethyl chloride Chloroethene Chloroform Ethylene dichloride ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS