What Was the Innovation That Significantly Improved the Quality of Iron

question 73

Multiple Choice

What was the innovation that significantly improved the quality of iron in the eighteenth century?

• A) Bessemer's converter
• B) the French practice of using a double compartment furnace with one compartment for the coke or coal, the other for the iron
• C) the Siemens-Martin open hearth process
• D) the application of steam engines to pump water from mines
• E) the conversion of cast iron into wrought iron

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