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. Dilute HCI Concentrated H₂SO₄ Acetic acid None of these Dilute HCI Concentrated H₂SO₄ Acetic acid None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Thermal shield used in high powered nuclear reactor to protect the walls of the reactor from radiation damage is made of Concrete Zircalloy Steel Graphite Concrete Zircalloy Steel Graphite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Chromel (Nichrome) is an alloy of Molybdenum and nickel Nickel and chromium Chromium and aluminium Chromium and molybdenum Molybdenum and nickel Nickel and chromium Chromium and aluminium Chromium and molybdenum ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Glass is corroded by Fluorine (dry or wet) None of these Phosphoric acid Sulphuric acid Fluorine (dry or wet) None of these Phosphoric acid Sulphuric acid ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Carbon is present in the uncombined (graphitic) form in case of Steel Ferroalloy Cast iron None of these Steel Ferroalloy Cast iron None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Manganese in steel affects its Ductility None of these Tensile strength Hardness Ductility None of these Tensile strength Hardness ANSWER DOWNLOAD EXAMIANS APP
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