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 Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Resistance to heat Molecular sizes Polymerisation mechanism Magnitude of intermolecular forces Resistance to heat Molecular sizes Polymerisation mechanism Magnitude of intermolecular forces ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Most of the fibre forming polymers are crystalline in nature, one of the exceptions being __________ which is amorphous in nature. Nylon Polyacrylonitrile Polyester Polypropylene Nylon Polyacrylonitrile Polyester Polypropylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rayon is a __________ fibre. Polyester Natural Polyamide Cellulosic Polyester Natural Polyamide Cellulosic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from __________ resins. Urea formaldehyde Epoxy Phenol formaldehyde Melamine formaldehyde Urea formaldehyde Epoxy Phenol formaldehyde Melamine formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Buna-N is also called Neoprene Butyl rubber Thiokol Nitrile rubber Neoprene Butyl rubber Thiokol Nitrile rubber ANSWER DOWNLOAD EXAMIANS APP
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