Polymer Technology Commercial production of polypropylene employs __________ polymerisation. Emulsion Suspension Solution Bulk Emulsion Suspension Solution Bulk ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plasticisers are added to synthetic plastics to All of these Improve workability during fabrication Impart flexibility Develop new improved properties not present in the original resin All of these Improve workability during fabrication Impart flexibility Develop new improved properties not present in the original resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine. Alkyd Amino Epoxy Phenolic Alkyd Amino Epoxy Phenolic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural polymer? Polyisoprene Nucleic acids e.g. RNA and DNA Polysaccharides Polyurethane Polyisoprene Nucleic acids e.g. RNA and DNA Polysaccharides Polyurethane ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a cross linked polymer, the monomeric units are linked together to constitute a three dimensional network. Which of the following is a cross-linked polymer? Bakelite (phenol formaldehyde) Polythene Polyester Nylon-6 Bakelite (phenol formaldehyde) Polythene Polyester Nylon-6 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The physical state in which polymers exist is Partially crystalline state Amorphous glassy state Melts & rubber like state All of these Partially crystalline state Amorphous glassy state Melts & rubber like state All of these ANSWER DOWNLOAD EXAMIANS APP
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