Chapter 8 Review Questions & Answers

Question 1

List the types of metal that a plasma torch can be used to cut.

Answer 1

Plasma machines can cut any type of metal, including aluminum, stainless steel, and cast iron. Plasma cutting machines can cut mild steel ranging from thin sheet metal,
28 gauge, approximately 1/64 in. (4 mm) to 6 in. (150 mm) or more.

Question 2

What two charged particles exist in a plasma?

Answer 2

Electrons and positive ions