Materials and Construction Lead pipes are not safe for carraying drinking water, because water, containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)₂. Lead pipes are readily corroded by v None of these Acetic acid Dilute HC₁ v None of these Acetic acid Dilute HC₁ ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nickel and molybdenum are the basic constituents of Hastealloy German silver Inconel Solder Hastealloy German silver Inconel Solder ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The damage/deterioration of metals by the __________ action of fluids is called 'erosion'. Corrosive Both A & B Neither A nor B Abrasive Corrosive Both A & B Neither A nor B Abrasive ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cermets are __________ materials. Fully metallic Abrasive Refractory Reinforced Fully metallic Abrasive Refractory Reinforced ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction H₂SO₄ (< 50% concentration) is corrosive to Glass, graphite, porcelain & stoneware Copper, cast iron & high silicon iron (14% Si) Aluminium, mild steel, stainless steel, concrete & tin Rubber (butyl and hard), silicone rubber & teflon Glass, graphite, porcelain & stoneware Copper, cast iron & high silicon iron (14% Si) Aluminium, mild steel, stainless steel, concrete & tin Rubber (butyl and hard), silicone rubber & teflon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Phenol is not shipped in Galvanised or tin lined drums Cast iron containers Nickel lined steel tank cars Boxed glass carboys Galvanised or tin lined drums Cast iron containers Nickel lined steel tank cars Boxed glass carboys ANSWER DOWNLOAD EXAMIANS APP
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