HAZWOPER 40 – Lesson 7 Quiz
Question:
The main disadvantage of negative-pressure respirators is that, if any leaks
develop, the user:
Answer:
Draws contaminated air into the face-piece during inhalation
Question:
A SAR is NOT recommended for entry into IDLH atmospheres unless the
apparatus is equipped with:
Answer:
An escape SCBA
Question:
The combination system provides up to 60 minutes of self-contained air, whereas the escape SCBA contains much less air, generally for how many minutes?
Answer:
- minutes
- / 1