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 Saturated polyester Polyvinyl acetate Viscose rayon Acrylic Saturated polyester Polyvinyl acetate Viscose rayon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of __________ produces bakelite. Phenol & formaldehyde Phenol & acetaldehyde Urea & formaldehyde Propylene Phenol & formaldehyde Phenol & acetaldehyde Urea & formaldehyde Propylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cellulose is the main contituent of most __________ fibres. Natural Acrylic Synthetic Spandex Natural Acrylic Synthetic Spandex ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Typical solvent polymerisation reaction conditions for the production of high density polythene by Zeigler process is 7 kgf/cm² and 70 °C 1000 kgf/cm² and 100°C 7 kgf/cm² and 700°C 1 kgf/cm² (gage) and 70°C 7 kgf/cm² and 70 °C 1000 kgf/cm² and 100°C 7 kgf/cm² and 700°C 1 kgf/cm² (gage) and 70°C ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Transistor parts and refrigerator components are normally made of Polyester High density polythene Polystyrene Polyurathane Polyester High density polythene Polystyrene Polyurathane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Low pressure Zeigler process for the manufacture of polythene uses a catalyst which is V₂O₅ Aluminium triethyl combined with titanium tetrachloride Fe Ni V₂O₅ Aluminium triethyl combined with titanium tetrachloride Fe Ni ANSWER DOWNLOAD EXAMIANS APP
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