Personal Protective Equipment and Self-Contained Breathing Apparatus No. 2 Questions taken from Jones & Bartlett Fundamentals of Fire Fighter Skills (3rd Edition)
Progress Indicator:
 
Question 3 of 22
3. During the positive pressure leak test, the _________ _________ within 1 minute must be lower than 1 mbar.
Choices:
- Barometric pressure
- Pressure change
- Absolute pressure
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