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. Saturated polyester Polyvinyl acetate Acrylic Viscose rayon Saturated polyester Polyvinyl acetate Acrylic Viscose rayon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The main use of butadiene is In the manufacture of synthetic rubber As an anti-skimming agent in paint As a plasticiser for unsaturated polyester None of these In the manufacture of synthetic rubber As an anti-skimming agent in paint As a plasticiser for unsaturated polyester None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cellulose acetate has very high film permeability among all the polymers of the order of 5000 gm/100 m². Which of the following polymers has the maximum film elongation (of the order of 100%) ? Teflon Polythene Water impermeable cellophane Cellulose acetate Teflon Polythene Water impermeable cellophane Cellulose acetate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plastic tubes & pipes are generally made by __________ moulding. Injection Transfer Compression Extrusion Injection Transfer Compression Extrusion ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyhexamethylene adipimide is also known as Bakelite Silicone rubber Nylon-66 Epoxy resin Bakelite Silicone rubber Nylon-66 Epoxy resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of stabiliser during PVC manufacture is done to Improve its impact strength Improve its elasticity Prevent its thermal degradation Reduce the melt viscosity & glass transition temperature Improve its impact strength Improve its elasticity Prevent its thermal degradation Reduce the melt viscosity & glass transition temperature ANSWER DOWNLOAD EXAMIANS APP
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