What mass of oxygen is required for burning 1 kg of iron?(a) 1.12 kg(b) 2.67 kg(c) 2.35 kg(d) 1.92 kgThe question was asked during an internship interview.My enquiry is from Air Requirements and Metallurgical Control for Cupola topic in chapter Metal Furnace and Practice of Casting-Forming-Welding II

What mass of oxygen is required for burning 1 kg of iron?(a) 1.12 kg(b

1.	What mass of oxygen is required for burning 1 kg of iron?(a) 1.12 kg(b) 2.67 kg(c) 2.35 kg(d) 1.92 kgThe question was asked during an internship interview.My enquiry is from Air Requirements and Metallurgical Control for Cupola topic in chapter Metal Furnace and Practice of Casting-Forming-Welding II
Answer» CORRECT CHOICE is (b) 2.67 kg The best I can explain: OXYGEN is the primary requirement for the PROCESS of burning to take place. For the burning of a metal such as iron, a high AMOUNT of oxygen will be needed. The mass of oxygen required for burning iron is 2.67 kg.

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