Polymer Technology Phosphates (e.g., triceresyl, tributyl, tetrabutyl, tripheyl etc.) are added to polymers to act as Hardeners Transparency improver Anti-shrinkage agents Plasticisers Hardeners Transparency improver Anti-shrinkage agents Plasticisers ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate. Leathery Fibrous Rubbery Hard Leathery Fibrous Rubbery Hard ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic rubber Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Deforms, if stretched to double of its original dimension Is softer at higher temperature Is brittle at low temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Deforms, if stretched to double of its original dimension Is softer at higher temperature Is brittle at low temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a natural polymer? Polysaccharides Nucleic acids e.g. RNA and DNA Polyurethane Polyisoprene Polysaccharides Nucleic acids e.g. RNA and DNA Polyurethane Polyisoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a polymer of two monomers? Bakelite SBR None of these Teflon Bakelite SBR None of these Teflon ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is not a condensation polymer. Dacron Nylon-66 Teflon Polystyrene Dacron Nylon-66 Teflon Polystyrene ANSWER DOWNLOAD EXAMIANS APP