Polymer Technology Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces Polyamide Phenolic resin Alkyd resin Epoxy resin Polyamide Phenolic resin Alkyd resin Epoxy resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the __________ fibres. Viscose rayon Acrylic Saturated polyester Polyvinyl acetate Viscose rayon Acrylic Saturated polyester Polyvinyl acetate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer? PTFE Polycaprolactum PMMA Buna-S PTFE Polycaprolactum PMMA Buna-S 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 Melting point Densities Hardness, rigidity & brittleness Tensile strength Melting point Densities Hardness, rigidity & brittleness Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymethyl methacrylate (PMMA) which is also known as perspex and is produced by bulk polymerisation of methyl methacrylate is not a __________ polymer. Glass like transparent Thermoplastic Linear Thermosetting Glass like transparent Thermoplastic Linear Thermosetting ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is Polyvinyl butyral Polyvinyl acetale PVC Polyvinyl alcohol Polyvinyl butyral Polyvinyl acetale PVC Polyvinyl alcohol ANSWER DOWNLOAD EXAMIANS APP
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