According to 46 CFR Subchapter T, how long should exhaust blowers be operated in enclosed spaces containing gasoline powered machinery before starting the engine?

Question

Accepted Answer

Long enough to achieve at least one complete change of air

Answer

For at least four to five minutes

Answer

No fixed amount, but the blower should run until you don't smell any gas

Answer

Long enough to achieve a minimum of two complete air changes

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