In the process of forming iron, limestone is added to:
a. pig iron molds
b. the iron ore in the molds
c. the molten iron ore in order to form slag
d. making the resulting pig iron more malleable
e. increase the pig iron elasticity
Answer: C
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Engineering Materials
- When chromium is added to alloy steel it produces:
- An alloy of copper, tin and sometimes zinc is:
- Pig iron is:
- Medium carbon steel becomes difficult to weld when the carbon content exceeds:
- Nickel, when added to steel:
- Resistance to indentation refers to a metal's property, which is:
- Wrought Iron:
- When nickel is added to alloy steel, it:
- Malleability of a metal
- Iron is:
- Antimony, copper, or arsenic are sometimes found in:
- Which type of cast iron is the toughest?
- Bearing metal:
- A bearing material composed primarily of tin and lead is called:
- A material that can be drawn out or extended in length without breakage is said to be:
- In order to avoid residual stresses after welding, alloy steels: