Polymer Technology Nylon-66 compared to nylon-6 has Higher hardness All of these Lower melting point More abrasion resistant properties Higher hardness All of these Lower melting point More abrasion resistant properties ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following has the weakest intermolecular forces? Polyisoprene Bakelite Polystyrene Nylon-66 Polyisoprene Bakelite Polystyrene Nylon-66 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 Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce its viscosity to permit easier processing Increase its viscosity Reduce the time of vulcanisation and quantity of vulcanising agent Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce its viscosity to permit easier processing ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is a thermosetting plastic. Polystyrene Bakelite Polythene PVC Polystyrene Bakelite Polythene PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine. Phenolic Alkyd Amino Epoxy Phenolic Alkyd Amino Epoxy ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Natural rubber is obtained from latex, which is a colloidal dispersion of rubber in water. Which of the following is used as a coagulant in latex? Both A & B Ammonium alum Potassium alum Neither A nor B Both A & B Ammonium alum Potassium alum Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
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