Polymer Technology The rate controlling step in the manufacture of silicone rubber is the Polymer termination step Condensation of siloxane to silicone None of these Initial hydrolysis of silicone monomer Polymer termination step Condensation of siloxane to silicone None of these Initial hydrolysis of silicone monomer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cellulose is the main contituent of most __________ fibres. Spandex Synthetic Natural Acrylic Spandex Synthetic Natural Acrylic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to Reduce the time of vulcanisation and quantity of vulcanising agent Reduce its viscosity to permit easier processing Increase its viscosity Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce the time of vulcanisation and quantity of vulcanising agent Reduce its viscosity to permit easier processing Increase its viscosity Protect rubber goods from attack by oxygen & ozone present in the atmosphere ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ moulding is used for shaping of thermosetting plastics exclusively. Injection Compression Transfer Extrusion Injection Compression Transfer Extrusion ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are None of these Micromolecules Macromolecules Sub-micromolecules None of these Micromolecules Macromolecules Sub-micromolecules ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Neoprene is rendered non-inflammable, because of Its cross-linked structure Its linear chain structure The presence of chlorine atoms in its monomer The absence of chlorine atoms in its monomer Its cross-linked structure Its linear chain structure The presence of chlorine atoms in its monomer The absence of chlorine atoms in its monomer ANSWER DOWNLOAD EXAMIANS APP