Most portable home liquid O2 systems can provide low-flow O2 (2 ...

[colton]

Most portable home liquid O2 systems can provide low-flow O2 (2 L/min) for approximately how long?
 
  a. 1 to 3 hr
  b. 3 to 5 hr
  c. 8 to 12 hr
  d. 5 to 8 hr

Question 2

Disadvantages of home liquid O2 systems include which of the following?
 
  1. Oxygen is lost when not used (because of venting).
  2. The low temperature of liquid O2 can be a hazard.
  3. Liquid O2 must be delivered when needed.
  4. These systems cannot drive pneumatic equipment.
  a. 1, 2, and 3 only
  b. 2 and 4 only
  c. 1, 2, 3, and 4
  d. 3 and 4 only

[bpool94]

Answer to Question 1

ANS: D
Most portable units come with a carrying case or small cart and can provide 5 to 8 hr of O2 at a flow of 2 L/min.

Answer to Question 2

ANS: C