Practice question

A multi-gas meter typically monitors for which four atmospheric hazards?

  1. Chlorine, ammonia, hydrogen sulfide, and methane
  2. Oxygen, lower explosive limit (LEL), carbon monoxide, and hydrogen sulfide
  3. VOCs, radiation, oxygen, and temperature
  4. Carbon dioxide, sulfur dioxide, nitrogen dioxide, and ozone

Answer: B — Oxygen, lower explosive limit (LEL), carbon monoxide, and hydrogen sulfide

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