Author Question: The thread on an oxygen hose is always _____. a. a right-hand thread b. a left-hand thread c. ... (Read 135 times)

lbcchick

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The thread on an oxygen hose is always _____.
 
  a. a right-hand thread
  b. a left-hand thread
  c. painted red
  d. painted blue

Question 2

Which of the following keeps the flame from entering the hoses and regulator?
 
  a. Oxygen shutoff valve
  b. Acetylene shutoff valve
  c. Flame suppressor
  d. Flashback arrestor



mfedorka

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Answer to Question 1

a

Answer to Question 2

d



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