Statements of Fact Quiz V
From the 2012 Revised Coal Mine Rescue Statements of Fact
Progress Indicator:
Question 1 of 25
1. To detect oxygen __________ atmospheres teams will use an __________ indicator. (MSHA 3028 p. 2 – 14)
Choices:
- poor, hydrogen
- enriched, methane
- deficient, oxygen
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