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 Which one is remelted and poured into moulds to get cast iron? Mild steel Low carbon steel Wrought iron Pig iron Mild steel Low carbon steel Wrought iron Pig iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Galvanising is not a zinc diffusion process. A zinc diffusion process is termed as Parkerising None of these Anodising Sheradising Parkerising None of these Anodising Sheradising ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ can replace tungsten in high speed steel, Molybdenum Vanadium Cobalt Chromium Molybdenum Vanadium Cobalt Chromium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In the kraft (sulphate) process for the paper manufacture, the digestor is made of Cast iron Stainless steel Wrought iron Karbate carbon Cast iron Stainless steel Wrought iron Karbate carbon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Iron rust is Ferric sulphide Powdered iron Hydrated ferric oxide Ferrous oxide Ferric sulphide Powdered iron Hydrated ferric oxide Ferrous oxide ANSWER DOWNLOAD EXAMIANS APP