Your Amazon purchases made using this link will benefit the United States Mine Rescue Association

Mine Rescue Statements of Fact - Test No. 4
Questions taken from the 2016 Coal Mine Rescue Statements of Fact - Group A


Progress Indicator:
Question 1 of 20

1.  In order to maintain an airlock, one door of the airlock must be kept closed while the other is closed.  (Statement No. 61)

Choices:
  1. True
  2. False