According to the National Institute of Standards and Technology ...

[go.lag]

According to the National Institute of Standards and Technology of the U.S. Department of Commerce, a gas cylinder that is color-coded brown and green should contain which of the fol-lowing?
 
  a. O2-N2 mixture
  b. O2-CO2 mixture
  c. CO2
  d. O2-He mixture

Question 2

During inspection of the shoulder of a compressed gas cylinder, you note a plus sign (+) next to the test date. This indicates what about the cylinder?
 
  a. It is made of spun aluminum, not steel.
  b. It only requires a 10-year DOT inspection.
  c. It can be filled to 10 above its service pressure.
  d. It has a high coefficient of elastic expan-sion.

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Answer to Question 1

ANS: D
Table 40-2 lists the color codes for medical gases as adopted by the Bureau of Standards of the U.S. Department of Commerce.

Answer to Question 2

ANS: C
A plus sign (+) means the cylinder is approved for filling to 10 above its service pressure.

[go.lag]

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