Materials and Construction Which metal is protected by the layer of its own oxide? Aluminium Iron Silver Calcium Aluminium Iron Silver Calcium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Wood is corroded by Chlorine (dry or wet) Hydrochloric acid SO₂ (dry or wet) All of these Chlorine (dry or wet) Hydrochloric acid SO₂ (dry or wet) All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has the highest density and the lowest melting point? Stainless steel Aluminium Lead Titanium Stainless steel Aluminium Lead Titanium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The impure iron (pig iron) that is tapped out from blast furnace contains about __________ percent carbon. 4 0.2 8 2 4 0.2 8 2 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction When iron is rusted, it is Oxidised Converted to a fine powder Reduced None of these Oxidised Converted to a fine powder Reduced None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has the least carbon percentage? Wrought iron White cast iron Mild steel Low carbon steel Wrought iron White cast iron Mild steel Low carbon steel ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS