Materials and Construction Lead pipes are not safe for carrying drinking water because water containing dissolved oxygen attacks lead thereby forming poisonous Pb (OH)2. Concentrated H₂SO₄ Dilute HCI Acetic acid None of these Concentrated H₂SO₄ Dilute HCI Acetic acid None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which one is remelted and poured into moulds to get cast iron? Low carbon steel Mild steel Wrought iron Pig iron Low carbon steel Mild steel Wrought iron Pig iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of lead, sulphur and phosphorus to low carbon steel helps in improving its Corrosion resistance Tensile strength Compressive strength Machinability Corrosion resistance Tensile strength Compressive strength Machinability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The heat treatment process to which castings and the steel balls produced by cold heading are subjected is Tempering Normalising None of these Annealing Tempering Normalising None of these Annealing ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The carbonating tower used in Solvay process of soda ash manufacture is made of Lead lined steel Cast iron Karbate Stainless steel Lead lined steel Cast iron Karbate Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Concentrated HCl at 30°C can be stored in a vessel made of None of these Cast iron and aluminium Stainless steel and high silicon cast iron PTFE and porcelain None of these Cast iron and aluminium Stainless steel and high silicon cast iron PTFE and porcelain ANSWER DOWNLOAD EXAMIANS APP
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