MD Plumber Practice Questions - Maryland Journeyman Plumber License Exam

A propane leak develops in a basement mechanical room. Where will the propane tend to collect?

Near the floor and in low spots because propane vapor is heavier than air Near the ceiling because propane vapor is lighter than air Evenly at all elevations because propane has the same density as air Only next to the appliance because propane does not migrate

Correct Answer:

Near the floor and in low spots because propane vapor is heavier than air

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