Question

training | knowledge check
31%
the ____________ 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
opd
collar

Explanation:

A foot - ring is a wide metal band welded to the bottom of a cylinder for protection against corrosion or damage. OPD typically refers to other things not related here, and a collar is usually not described in this context for this function.

Answer:

A. foot ring