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%) ? Water impermeable cellophane Cellulose acetate Polythene Teflon Water impermeable cellophane Cellulose acetate Polythene Teflon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Unbreakable crockeries are made from __________ polymers. Melamine Polystyrene Polystyrene Polyurathane Melamine Polystyrene Polystyrene Polyurathane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl chloride (PVC) Can be made thermosetting by adding a plasticiser Uses either emulsion or suspension polymerisation methods Is produced by polycondensation reaction Softening temperature is 200°C Can be made thermosetting by adding a plasticiser Uses either emulsion or suspension polymerisation methods Is produced by polycondensation reaction Softening temperature is 200°C ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cation exchange resins used in water treatment is made from __________ resin. Amino Urea formaldehyde Phenolic Epoxy Amino Urea formaldehyde Phenolic Epoxy ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Zeigler - Natta catalyst (AlR₃ - AlCl₃) is used in the polymerisation of Vinyl acetate Styrene Propylene Vinyl chloride Vinyl acetate Styrene Propylene Vinyl chloride ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following types of polymers has the strongest inter particle forces? Fibres Thermosetting polymers Elastomers Thermoplastics Fibres Thermosetting polymers Elastomers Thermoplastics ANSWER DOWNLOAD EXAMIANS APP