Polymer Technology Which of the following is not an elastomer? Nitrile-butadiene Neoprene None of these Polyisoprene Nitrile-butadiene Neoprene None of these Polyisoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Collapsible tubes for tooth paste are produced by __________ extrusion. Indirect Direct Impact None of these Indirect Direct Impact None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from __________ resins. Urea formaldehyde Melamine formaldehyde Epoxy Phenol formaldehyde Urea formaldehyde Melamine formaldehyde Epoxy Phenol formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic rubber Is softer at higher temperature Is brittle at low temperature Deforms, if stretched to double of its original dimension Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Is softer at higher temperature Is brittle at low temperature Deforms, if stretched to double of its original dimension Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser? Tricresyl phosphate Stearic acid estors Ethylene glycol Esters of phthalic acid Tricresyl phosphate Stearic acid estors Ethylene glycol Esters of phthalic acid ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Glyptal used in the manufacture of paints & lacquers is a __________ polymer. Polyamide Polyester Polyacrylonitrile Polystyrene Polyamide Polyester Polyacrylonitrile Polystyrene ANSWER DOWNLOAD EXAMIANS APP
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