Polymer Technology The physical state in which polymers exist is Melts & rubber like state Amorphous glassy state Partially crystalline state All of these Melts & rubber like state Amorphous glassy state Partially crystalline state All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Branched chair polymers as compared to linear polymers have Higher melting point None of these Higher tensile strength Lower density Higher melting point None of these Higher tensile strength Lower density ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers shows the highest anti-tacking properties? Alkyd resin Melamine formaldehyde resin Epoxy resin Phenolic resin Alkyd resin Melamine formaldehyde resin Epoxy resin Phenolic resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher Hardness, rigidity & brittleness Tensile strength Melting point Densities Hardness, rigidity & brittleness Tensile strength Melting point Densities ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is a homopolymer. Bakelite Terylene Nylon-66 Neoprene Bakelite Terylene Nylon-66 Neoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to 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 Increase its viscosity Reduce the time of vulcanisation and quantity of vulcanising agent ANSWER DOWNLOAD EXAMIANS APP