Southwest Regional Drager BG4 Exam Taken from the 2019 Southwest Regional Mine Rescue Contest held in Ruidoso, New Mexico
Progress Indicator:
 
Question 5 of 30
5. The hose of the gravimetric sampling unit must be _________ feet in length.
Choices:
- 2 (24 inches)
- 3 (36 inches)
- 4 (48 inches)
- 5 (60 inches)
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