Question

is a wide metal band welded to the bottom of the cylinder and is used to protect the cylinder body from corrosion or damage. choose the correct answer to fill in the blank. foot ring opo collar

Explanation:

A foot - ring is a wide metal band welded to the bottom of a cylinder for protection against corrosion or damage. An OPO is not relevant here, and a collar is not typically described in this context for a cylinder bottom.

Answer:

A. foot ring