Polymer Technology Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from __________ resins. Epoxy Urea formaldehyde Melamine formaldehyde Phenol formaldehyde Epoxy Urea formaldehyde Melamine formaldehyde Phenol formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-66 compared to nylon-6 has More abrasion resistant properties Higher hardness Lower melting point All of these More abrasion resistant properties Higher hardness Lower melting point All of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polystyrene is a light, transparent, thermoplastic material used for making Electrical insulation Toys and combs Non-sticking utensils Packaging bags Electrical insulation Toys and combs Non-sticking utensils Packaging bags ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Acrylonitrile-butadiene-styrene (ABS) copolymer, which is produced by blending styrene-acrylonitfile copolymer with butadiene based elastomer, is a/an Engineering plastic Spongy rubber Rigid foam Thermosetting polymer Engineering plastic Spongy rubber Rigid foam Thermosetting polymer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl chloride (PVC) Can be made thermosetting by adding a plasticiser Is produced by polycondensation reaction Softening temperature is 200°C Uses either emulsion or suspension polymerisation methods Can be made thermosetting by adding a plasticiser Is produced by polycondensation reaction Softening temperature is 200°C Uses either emulsion or suspension polymerisation methods ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ are produced by reacting polybasic acid (e.g. phthalic anhydride) with polyhydric alcohol (e.g., glycerol). Saturated polyester Amino resins Alkyd resins Unsaturated polyester Saturated polyester Amino resins Alkyd resins Unsaturated polyester ANSWER DOWNLOAD EXAMIANS APP