Weld symbol notes commonly indicate either CJP or PJP.

• A. CJP or PJP
• B. CJP only
• C. PJP only
• D. Neither CJP nor PJP

Answer: (A)

Penetration level is a key detail shown on weld symbols. CJP and PJP describe how deeply the weld fuses the joint: complete joint penetration means the weld grows through the full thickness and fuses both sides, while partial joint penetration means the weld does not fully penetrate the thickness.

Because designs vary, the note on a weld symbol can indicate either one depending on what the joint requires. If the design calls for full fusion through the thickness, CJP is specified; if only partial fusion is intended, PJP is specified. That’s why it’s common to see either term on weld symbol notes.

So the best answer is that weld symbol notes commonly indicate either CJP or PJP. The other possibilities would ignore the real-world practice that the penetration requirement can be either full or partial depending on the joint and design.