Polymer Technology Most commonly used rubber vulcanisation agent is Alumina Bromine Platinum Sulphur Alumina Bromine Platinum Sulphur ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology A copolymer is formed by the combination of two or more monomer molecules 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 Of the same monomer by elimination of small molecules of water In a chain without the elimination of water ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The conversion of caprolactum in the above case is about __________ percent. 50 70 90 25 50 70 90 25 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a cross linked polymer, the monomeric units are linked together to constitute a three dimensional network. Which of the following is a cross-linked polymer? Bakelite (phenol formaldehyde) Polyester Nylon-6 Polythene Bakelite (phenol formaldehyde) Polyester Nylon-6 Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Viscosity of a polymer solution or melt Decreases with increase in molecular weight Does not vary with temperature rise Decreases with increase in temperature Increases with increase in temperature Decreases with increase in molecular weight Does not vary with temperature rise Decreases with increase in temperature Increases with increase in temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Silicone resins, which are highly water repellant and has good heat resistance can not be used Resin for lamination As room temperature adhesive As grease & lubricant Hydraulic fluid for heat transfer Resin for lamination As room temperature adhesive As grease & lubricant Hydraulic fluid for heat transfer ANSWER DOWNLOAD EXAMIANS APP
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