Question

what does it mean to purge a cylinder? select all that apply. moisture is removed from the cylinder. propane is removed from the cylinder. air is removed from the cylinder. propane vapor is added to the cylinder.

Explanation:

Purging a cylinder typically involves removing air and moisture to prevent contamination or issues with the substance stored. Adding propane vapor is not purging, and simply removing propane is not what purging means in this context.

Answer:

Moisture is removed from the cylinder.
Air is removed from the cylinder.