Polymer Technology __________ tubes are good substitude for human blood vessels onrheart by-pass operation. Polystyrene PVC Teflon/dacron Polythene Polystyrene PVC Teflon/dacron Polythene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament form. Dry spinning is used for __________ fibres. Polyvinyl acetate Rayon Polythene PVC Polyvinyl acetate Rayon Polythene PVC ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon 6 as compared to nylon 6, 6 has lower Adhesion to rubber Hardness Thermal stability Abrasion resistance Adhesion to rubber Hardness Thermal stability Abrasion resistance ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Identify the group in which all the polymers mentioned can be used to make fibres. Polypropylene, Poly vinyl chloride, Silicon Cellulose derivatives, Polyamides, Polyurathane Butadiene copolymers, Polyamides, Urea aldehyde Cellulose derivatives, Polyisoprene, Polyethylene Polypropylene, Poly vinyl chloride, Silicon Cellulose derivatives, Polyamides, Polyurathane Butadiene copolymers, Polyamides, Urea aldehyde Cellulose derivatives, Polyisoprene, Polyethylene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Out of all the elastomers, natural rubber has the longest elongation range & flexibility of the order of __________ percent. 1000-1500 1-1000 2000-2500 1500-2000 1000-1500 1-1000 2000-2500 1500-2000 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Flexible plastic pipes are made of Unsaturated polyester Low density polyethylene (LDPE) High density polyethylene (HDPE) Polypropylene Unsaturated polyester Low density polyethylene (LDPE) High density polyethylene (HDPE) Polypropylene ANSWER DOWNLOAD EXAMIANS APP
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