Chapter 1 Review Metallurgy

The first alloy made was _____.

Bronze

What process of refining dramatically lowered the cost of aluminum, making it practical for consumer applications?

Hall-Héroult

Electricity is essential for which of the following ferrous metal processes?

Electric arc furnace

Among the following, which is the fastest method used to produce steel?

Basic oxygen furnace

Which of the following is an advantage of using metals for tools instead of stone?

They are less brittle.

The first type of ferrous metal used by early human beings was _____ iron.

meteoric

Electricity is essential for smelting _____.

aluminum

Continuous casting of steel has mostly replaced the _____ method.

ingot casting

During the Bronze Age, _____ was used to make decorative items due to its resistance to tarnishing.

gold

The _____ produced steel by blowing air through molten pig iron.

Bessemer converter

The expanding electricity distribution system provided both the capability of producing and the greater need for high-purity _____.

copper

The _____ process was the first method used to produce steel made from all scrap steel.

electric arc furnace

_____ iron is a ferrous metal that contains iron, about 2%-6% carbon, and often small amounts of silicon and other elements.

Cast

_____ is a ferrous metal that contains very little carbon.

Wrought iron

Which of the following processes is the most recent development in metallurgy?

Additive manufacturing

_____ is a ferrous metal that was used to make strong and flexible swords.

Wootz steel

Which of the following is currently used to make nearly 70% of US steel?

Electric arc furnace

_____ iron is a ferrous metal that contains high levels of sulfur.

Bog

Which of the following is not a metal used by early human beings?

Titanium

Which process was the first method used to produce steel at a low cost?

Bessemer converter