Polymer Technology In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer? PTFE PMMA Polycaprolactum Buna-S PTFE PMMA Polycaprolactum Buna-S ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ resins are produced by the condensation polymerisation of formaldehyde with urea or melamine. Phenolic Amino Alkyd Epoxy Phenolic Amino Alkyd Epoxy ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-66 compared to nylon-6 has More abrasion resistant properties All of these Lower melting point Higher hardness More abrasion resistant properties All of these Lower melting point Higher hardness ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The synthetic fibres produced from __________ are known as rayon. Lignin Polyamides Cellulose Ethylene glycol Lignin Polyamides Cellulose Ethylene glycol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Zeigler - Natta catalyst (AlR₃ - AlCl₃) is used in the polymerisation of Vinyl chloride Propylene Vinyl acetate Styrene Vinyl chloride Propylene Vinyl acetate Styrene 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) Polyester Polythene Nylon-6 Bakelite (phenol formaldehyde) Polyester Polythene Nylon-6 ANSWER DOWNLOAD EXAMIANS APP
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