Polymer Technology A copolymer is formed by the combination of two or more monomer molecules With the elimination of small amount of water None of these In a chain without the elimination of water Of the same monomer by elimination of small molecules of water With the elimination of small amount of water None of these In a chain without the elimination of water Of the same monomer by elimination of small molecules of water ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine. Epoxy Amino Alkyd Phenolic Epoxy Amino Alkyd Phenolic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Catalyst used in the production of high density polythene by low pressure Ziegler process is Platinum Molybdenum Aluminium triethyl activated with TiCl₄ Nickel Platinum Molybdenum Aluminium triethyl activated with TiCl₄ Nickel ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polypropylene compared to polythene is All of these Lighter Harder Stronger All of these Lighter Harder Stronger ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is Polyvinyl alcohol Polyvinyl butyral Polyvinyl acetale PVC Polyvinyl alcohol Polyvinyl butyral Polyvinyl acetale PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to Increase its viscosity Reduce the time of vulcanisation and quantity of vulcanising agent Reduce its viscosity to permit easier processing Protect rubber goods from attack by oxygen & ozone present in the atmosphere Increase its viscosity Reduce the time of vulcanisation and quantity of vulcanising agent Reduce its viscosity to permit easier processing Protect rubber goods from attack by oxygen & ozone present in the atmosphere ANSWER DOWNLOAD EXAMIANS APP
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