The iron ore mostly used for the production of pig iron is hematite.
The principal iron ores are hematite (Fe2O3) .
Hematite is an iron oxide mineral.
Hematite contains about 70% iron.
19) Hematite iron ore contains iron about
Answer is:
70 percent
Explanation:
Related Engineering Materials MCQ with Answers
Answer is:
reducing the ore with carbon in the presence of flux
Explanation:
Smelting is the process of reducing the ore with carbon in the presence of flux.
Answer is:
stack
Explanation:
stack:The portion of the blast furnace above its widest cross-section is called stack.
Bosh:The portion of the blast furnace below its widest cross-section is called bosh.
Throat: The charge is fed into the blast furnace through the throat.
Hearth: The hearth is the lowest, but the most important part of the blast furnace.
Answer is:
bosh
Explanation:
stack:The portion of the blast furnace above its widest cross-section is called stack.
Bosh:The portion of the blast furnace below its widest cross-section is called bosh.
Throat: The charge is fed into the blast furnace through the throat.
Hearth: The hearth is the lowest, but the most important part of the blast furnace.
Answer is:
throat
Explanation:
stack:The portion of the blast furnace above its widest cross-section is called stack.
Bosh:The portion of the blast furnace below its widest cross-section is called bosh.
Throat: The charge is fed into the blast furnace through the throat.
Hearth: The hearth is the lowest, but the most important part of the blast furnace.
