Amateur Extra Class: 2020–2024
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E0A07:

How may dangerous levels of carbon monoxide from an emergency generator be detected?

  1. By the odor
  2. Only with a carbon monoxide detector
  3. Any ordinary smoke detector can be used
  4. By the yellowish appearance of the gas
E0A01 E0A02 E0A03 E0A04 E0A05 E0A06 E0A07 E0A08 E0A09 E0A10 E0A11