Polymer Technology Mastication of rubber means Its softening Depression of its freezing point Improving its curing rate A treatment to retard its deterioration due to oxidation Its softening Depression of its freezing point Improving its curing rate A treatment to retard its deterioration due to oxidation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Antioxidants are added to rubber to protect it from the attack of light, heat & atmospheric ozone. Which of the following is an antioxident used in rubber? Thiokol Carbon Alkylated diphenyl amine Magnesium Thiokol Carbon Alkylated diphenyl amine Magnesium ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosplastic materials None of these Do not soften on application of heat Are solvent insoluble Are heavily branched molecules None of these Do not soften on application of heat Are solvent insoluble Are heavily branched molecules ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cross linked polymers formed from bi-and trifuctional groups in which cross-linkage in three dimensions via few chemical bonding across linear chains occur imparts to the polymer __________ properties. Brittleness Thermosetting Thermoplastic Elastometric Brittleness Thermosetting Thermoplastic Elastometric ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Linear polymers are normally Having extremely high softening point Elastometric Thermosetting Thermosplastic Having extremely high softening point Elastometric Thermosetting Thermosplastic 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. Acrylic Viscose rayon Polyvinyl acetate Saturated polyester Acrylic Viscose rayon Polyvinyl acetate Saturated polyester ANSWER DOWNLOAD EXAMIANS APP
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