All of the following would immediately rule out the reuse of a valve EXCEPT ____.
A) bent stem
B) burned face
C) excessive carbon deposits
D) non-visible margin

Question

Quizplus · Accepted Answer

Excessive carbon deposits on a valve can often be cleaned off, allowing the valve to potentially be reused if it meets other specifications and criteria. Bent stems, burned faces, and non-visible margins typically indicate damage that compromises the valve's integrity or functionality, immediately ruling out their reuse.

All of the Following Would Immediately Rule Out the Reuse