Materials and Construction __________ is added in stainless steel to prevent inter crystal corrosion. Niobium Chromium Nickel Vanadium Niobium Chromium Nickel Vanadium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ iron is produced, when molten pig iron is chilled suddenly. White cast Grey cast None of these Wrought White cast Grey cast None of these Wrought ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead Is the hardest metal in common use Can not be work hardened Is the lightest metal in common use Can not be scratched by finger nails Is the hardest metal in common use Can not be work hardened Is the lightest metal in common use Can not be scratched by finger nails ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which one is remelted and poured into moulds to get cast iron? Pig iron Mild steel Wrought iron Low carbon steel Pig iron Mild steel Wrought iron Low carbon steel ANSWER DOWNLOAD EXAMIANS APP
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 Acetic acid Dilute HCI None of these Concentrated H₂SO₄ Acetic acid Dilute HCI None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The impure iron (pig iron) that is tapped out from blast furnace contains about __________ percent carbon. 4 2 8 0.2 4 2 8 0.2 ANSWER DOWNLOAD EXAMIANS APP
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