Polymer Technology In nylon-6, the number 6 represents the total number of Carbon atoms in the linear polymer chain Carbon atoms in the ring Hydrogen atoms in the ring Nitrogen atoms in the ring Carbon atoms in the linear polymer chain Carbon atoms in the ring Hydrogen atoms in the ring Nitrogen atoms in the ring ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyurathane can not be used to make Automobile cushion Fibre reinforced plastic (FRP) Thermal insulation in refrigerator Coating and adhesive Automobile cushion Fibre reinforced plastic (FRP) Thermal insulation in refrigerator Coating and adhesive ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic rubber 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 Is softer at higher temperature ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Nylon-66 is a polyamide of Hexamethylene diamine and adipic acid None of these Vinyl chloride and formaldeyde Adipic acid and methyl amine Hexamethylene diamine and adipic acid None of these Vinyl chloride and formaldeyde Adipic acid and methyl amine ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl chloride (PVC) Can be made thermosetting by adding a plasticiser Softening temperature is 200°C Is produced by polycondensation reaction Uses either emulsion or suspension polymerisation methods Can be made thermosetting by adding a plasticiser Softening temperature is 200°C Is produced by polycondensation reaction Uses either emulsion or suspension polymerisation methods 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? Ethylene glycol Stearic acid estors Tricresyl phosphate Esters of phthalic acid Ethylene glycol Stearic acid estors Tricresyl phosphate Esters of phthalic acid ANSWER DOWNLOAD EXAMIANS APP
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