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? Polythene Nylon-6 Bakelite (phenol formaldehyde) Polyester Polythene Nylon-6 Bakelite (phenol formaldehyde) Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymerisation process in which two or more monomers of chemically different nature take part is called Copolymerisation Chain polymerisation Addition polymerisation None of these Copolymerisation Chain polymerisation Addition polymerisation None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting resins/polymers as compared to thermoplastic ones are More brittle Easily reshaped & reused Formed by addition polymerisation only Soluble in all organic solvents More brittle Easily reshaped & reused Formed by addition polymerisation only Soluble in all organic solvents ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following polymers does not belong to the class of polyacrylate polymer? Polyacrylonitrile PMMA None of these Polyethyl acrylate Polyacrylonitrile PMMA None of these Polyethyl acrylate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is a polymer of hexamethylene diamine and adipic acid? Nylon-6, 10 Nylon-6 Nylon-66 Epoxy resin Nylon-6, 10 Nylon-6 Nylon-66 Epoxy resin ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer? PTFE PMMA Buna-S Polycaprolactum PTFE PMMA Buna-S Polycaprolactum ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS