Polymer Technology __________ is a copolymer. Polyrophylene PVC Poly tetra flouro ethylene Nylon-66 Polyrophylene PVC Poly tetra flouro ethylene Nylon-66 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition polymerisation takes place either by a free radical mechanism or ionic machanism depending on the reagents used. Free radical polymerisation is catelyzed by __________ , which decompose to give free radicals. None of these Hydroflouric acid Sulphuric acid Organic peroxides None of these Hydroflouric acid Sulphuric acid Organic peroxides ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Viscosity of a polymer solution or melt Does not vary with temperature rise Increases with increase in temperature Decreases with increase in temperature Decreases with increase in molecular weight Does not vary with temperature rise Increases with increase in temperature Decreases with increase in temperature Decreases with increase in molecular weight 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 In nylon-6, the number 6 represents the total number of Carbon atoms in the linear polymer chain Nitrogen atoms in the ring Hydrogen atoms in the ring Carbon atoms in the ring Carbon atoms in the linear polymer chain Nitrogen atoms in the ring Hydrogen atoms in the ring Carbon atoms in the ring ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thiokol is nothing but Exponded polystyrene Polyamide fibre Engineering plastic Polysulphide rubber Exponded polystyrene Polyamide fibre Engineering plastic Polysulphide rubber ANSWER DOWNLOAD EXAMIANS APP
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