Gases Commonly Encountered in Underground Mines (17)

Progress Indicator:
Question 3 of 20

3.  Sudden changes in atmospheric pressure may cause temporary fluctuations in the ______________ reading.

Choices:
  1. Carbon monoxide
  2. Methane
  3. Nitrogen dioxide
  4. Oxygen
  5. Al of the above

See more about these products

Accident Resources Training Resources Mine Rescue Resources Online Quizzes