Polymer Technology Liners of bags are usually made of Polyesters PVC Polythene Polypropylene Polyesters PVC Polythene Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycaprolactum is also known as SBR Nylon-6 Nylon-66 Teflon SBR Nylon-6 Nylon-66 Teflon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers belong to the class of formaldehyde resin? None of these Melamine resins Teflon Dacron None of these Melamine resins Teflon Dacron ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at 2:1 1:2 3:1 1:3 2:1 1:2 3:1 1:3 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Catalyst used in the production of high density polythene by low pressure Ziegler process is Platinum Aluminium triethyl activated with TiCl₄ Molybdenum Nickel Platinum Aluminium triethyl activated with TiCl₄ Molybdenum Nickel 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 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 Increase its viscosity ANSWER DOWNLOAD EXAMIANS APP
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