Carbon is the only element that can be added to iron.

Iron is a pure metal and a relativity soft compound with little measurable amount of carbon that is approximately 0.0% - 0.03%.

What term best describes the heating to a specific temperature and holding for a set time then allowing to cool at atmospheric temperature in the heating enclosure.

What property defines the manner in which various metals will react to cutting tools.

Bronze is a pure metal.

The process of crushing the ore into a powder is called _______.

Which of the following processes is NOT used to concentrate the ores?

Which property cannot be used to concentrate the ore?

Which statement is FALSE? Roasting, calcination and smelting .....

Nonferrous metals contain small amounts of iron to maintain magnetic properties.

What percent of carbon is in the low carbon category.

The two types of metals are Ferrous and Nonferrous.

What process of rapidly cooling are used. Select all that apply.

What property defines a metals ability to withstand twisting, bending, stretching, or deformation without breaking.

Iron is not a pure element.

Metal consists of one or more chemical elements having a crystalline structure. Select all that apply.

What occupation is most likely to specialize in the materials science.

Carbon is the major alloying element in ferrous metals.

Stainless steel contains which elements. Select all that apply.

This process uses density to separate the ore from other impurities.

The above process is used to

What metal is the main ingredient in steel?

Gold, lead, oxygen, and chlorine are all pure substances that cannot be broken down into a simpler material. What are these materials known as?

Which of the gollowing materials has the highest degree of ductility?

________ strengh is the ability to resist rotational shear.

Generally speaking, most metals have approximately equal abilities in resisting tension and compression. This is not true of_______.

A material that can withstand prolonged levels of high voltage is considered to have good ________.

which of the following metals has the lowest degree of thermal conductivity?

Whigh form of iron contais essentially no carbon?

Which form of iron contains more than 2% carbon?

Which form of iron contains more than 0% but less than 2% carbon?

Why are alloys added to steel?

In 8660 steel, the numerals "86" refer to which of the following?

In 1018 steel, the numerals "18" reger to which of the following?

Approximately what percentage of carbon is in low-carbon steel?

Which type of cast iron is the most widely used?

A material with a large grain size is normally_______.

The most common purpose of quenching is to ______metal.

Which quenching medium produces the most rapid quench?

Which quenching medium produces the slowest quench?

Which quenching method is least likely to cause cracking or distortion in a part?

Oil quenching is most effective when ithe oil is ______>

During which stage of the quenching process does the metal first start to cool?

A metal part to be heat treated measures 2" x 4" X 6". What is the minimum amount of time the part should be left in the oven before quenching?

What is the main disadvantage of quenching a part rapidly in water?