Polymer Technology Visco-elastic behaviour exhibited by plastics is a __________ like behaviour. Solid Neither solid nor liquid Liquid Combination of solid & liquid Solid Neither solid nor liquid Liquid Combination of solid & liquid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting polymers as compared to thermoplastic polymers Have linear structure None of these Are formed by addition polymerisation Have three dimensional structure Have linear structure None of these Are formed by addition polymerisation Have three dimensional structure ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymers are classified into four categories namely thermosetting, thermoplastic, elastomer and fibre depending upon their Magnitude of intermolecular forces Polymerisation mechanism Resistance to heat Molecular sizes Magnitude of intermolecular forces Polymerisation mechanism Resistance to heat Molecular sizes 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? Nylon-6 Polyester Polythene Bakelite (phenol formaldehyde) Nylon-6 Polyester Polythene Bakelite (phenol formaldehyde) ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Vulcanisation of raw rubber makes it Soft Tacky Less elastic Plastic Soft Tacky Less elastic Plastic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic polymer produced by using terephthalic acid and ethylene glycol is Polyesterene Nylon-66 Terylene PVC Polyesterene Nylon-66 Terylene PVC ANSWER DOWNLOAD EXAMIANS APP