Polymer Technology __________ are produced by reacting polybasic acid (e.g. phthalic anhydride) with polyhydric alcohol (e.g., glycerol). Amino resins Alkyd resins Unsaturated polyester Saturated polyester Amino resins Alkyd resins Unsaturated polyester Saturated polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosplastic materials Are solvent insoluble None of these Do not soften on application of heat Are heavily branched molecules Are solvent insoluble None of these Do not soften on application of heat Are heavily branched molecules ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of plasticisers to polymers results in partial neutralisation of intermolecular forces of attraction between the macro-molecules thereby increasing its Chemical resistance Flexibility Tensile strength All of these Chemical resistance Flexibility Tensile strength All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene butadiene rubber (SBR) as compared to natural rubber has Poorer resistance Poor tensile strength All of these Greater amount of heat build up heavy loading Poorer resistance Poor tensile strength All of these Greater amount of heat build up heavy loading 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 Due to its excellent permeability to air/gas and oxidation resistance, the tubes of automobile tyres is made of Buna S Cold SBR Butyl rubber Bunai N Buna S Cold SBR Butyl rubber Bunai N ANSWER DOWNLOAD EXAMIANS APP
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