A combustible gas indicator operates correctly ONL...

USCG Firefighting License Practice Exam

Question Number 5

A combustible gas indicator operates correctly ONLY when which condition is met?

Hydrocarbon content of the atmosphere is less than the U.E.L. Atmosphere is deficient in oxygen Compartment to be tested is free of CO2 All of the above

✔ Correct Answer:

Hydrocarbon content of the atmosphere is less than the U.E.L.

USCG Firefighting License Practice Exam

Question Number 5

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