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
Correct Answer:
Verified
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