Question 40Safety & Environmental - QMED70% to pass
A fuel tank is considered to be gas free when the tank is _______________.
AI Explanation
The correct answer is D) free of all dangerous concentrations of flammable or toxic gases.
A fuel tank is considered "gas free" when it is free of all dangerous concentrations of flammable or toxic gases. This means the tank must be completely purged of any hazardous vapors to be considered safe for entry or hot work. Options A, B, and C do not fully meet this requirement, as they allow for the presence of some flammable gas concentrations, which would make the tank unsafe. Option D correctly states that the tank must be free of all dangerous gas levels to be considered gas free.
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