Polymer Technology Thermocole (expanded polystyrene) is not used for Packing of delicate electronic gadgets Low temperature thermal insulation as in refrigerator and air conditioners High temperature thermal insulation in furnaces Accoustic control and ceiling for building Packing of delicate electronic gadgets Low temperature thermal insulation as in refrigerator and air conditioners High temperature thermal insulation in furnaces Accoustic control and ceiling for building ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ are produced by reacting polybasic acid (e.g. phthalic anhydride) with polyhydric alcohol (e.g., glycerol). Alkyd resins Unsaturated polyester Amino resins Saturated polyester Alkyd resins Unsaturated polyester Amino resins Saturated polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Neoprene which is used for making shoe heels & belts is superior to natural rubber in its stability to aerial oxidation and resistance to oils & other solvents. The monomer used for making neoprene is Chloroethane Chlorophrene None of these Isoprene Chloroethane Chlorophrene None of these Isoprene ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of plasticisers to polymers results in partial neutralisation of intermolecular forces of attraction between the macro-molecules thereby increasing its Flexibility Tensile strength All of these Chemical resistance Flexibility Tensile strength All of these Chemical resistance ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Rain coats are made of Polyurathane PVC Neoprene SBR Polyurathane PVC Neoprene SBR ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following is not a condensation polymer? Bakelite Melamine polymer Polymethylmethacrylate (PMMA) None of these Bakelite Melamine polymer Polymethylmethacrylate (PMMA) None of these ANSWER DOWNLOAD EXAMIANS APP
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