Author Question: The simplest plasma arc cutting units use filtered _____. a. carbon dioxide b. nitrogen c. ... (Read 128 times)

Sufayan.ah

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The simplest plasma arc cutting units use filtered _____.
 
  a. carbon dioxide
  b. nitrogen
  c. compressed air
  d. helium

Question 2

Which of the following PPE is considered optional for plasma arc cutting?
 
  a. Hearing protection
  b. Safety glasses
  c. A full leather hood
  d. High-top shoes or boots



jrpg123456

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Answer to Question 1

c

Answer to Question 2

c



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