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 Densities Tensile strength Melting point Hardness, rigidity & brittleness Densities Tensile strength Melting point Hardness, rigidity & brittleness ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Vulcanisation of rubber does not increase its Weight & strength Elasticity & water solubility Oxidation resistance Softness Weight & strength Elasticity & water solubility Oxidation resistance Softness ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology A chain growth polymerisation reaction consists of three different types of reaction namely initiation reaction, propagation reaction & termination reaction. Chain growth polymerisation reaction is not involved in the manufacture of Urea-formaldehyde resins Polyamides Vinyl polymers Siloxane elastomers Urea-formaldehyde resins Polyamides Vinyl polymers Siloxane elastomers ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Bakelite is Not a polymer Same as thermoset phenol formaldehyde An inorganic polymer Same as polytetra flouro ethylene (PTFE) Not a polymer Same as thermoset phenol formaldehyde An inorganic polymer Same as polytetra flouro ethylene (PTFE) ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces Alkyd resin Phenolic resin Polyamide Epoxy resin Alkyd resin Phenolic resin Polyamide Epoxy resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a condensation polymer? Melamine polymer Bakelite None of these Polymethylmethacrylate (PMMA) Melamine polymer Bakelite None of these Polymethylmethacrylate (PMMA) ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS