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Author Question: Upon inspection you note the letter and number combination of 3AA stamped into an oxygen cylinder's ... (Read 173 times)

dalyningkenk

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on: Jul 16, 2018
Upon inspection you note the letter and number combination of 3AA stamped into an oxygen cylinder's shoulder. This means:
 A) the cylinder may be used for 3 hours
  B) the cylinder is made of chrome molybdenum steel
  C) the cylinder is made of aluminum
  D) the cylinder is of a fiber-wrapped aluminum construction

Question 2

The diameter index safety system (DISS):
  I. uses different pitches and threads per inch
  II. uses internal and external threads
  III. is intended for low pressure (< 200 psi)
  IV. is intended for high pressure (> 200 psi)
 A) I
  B) I and II
  C) I, II, and III
  D) I, II, III, and IV


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vboyd24

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Reply #1 on: Jul 16, 2018
Answer to Question 1

B

Answer to Question 2

C


dalyningkenk

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Reply #2 on: Jul 16, 2018
Thank you


vboyd24

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Reply #3 on: Jul 16, 2018
No problemo


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