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:
  1. 2 (24 inches)
  2. 3 (36 inches)
  3. 4 (48 inches)
  4. 5 (60 inches)


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