🔍 Key Concepts

• Basic weld symbol components: reference line, arrow, and any circles or flags added at the junction • Difference between a field weld symbol and an all around weld symbol in standard welding notation • How plug welds and round fillet welds are usually drawn directly on the reference line, not just as a small circle at the arrow junction

💭 Think About

• What does a small circle placed exactly where the arrow meets the reference line usually tell you about where the weld is made relative to the shop vs. in place? • Which option describes a weld applied completely around a joint, and how is that normally indicated in welding symbols (on or near the reference line vs. at the arrow junction)? • Do plug welds and round fillet welds get their own special symbol shapes on the reference line, or are they indicated only by a simple circle at the arrow connection?

✅ Before You Answer

• Verify where the circle is located in the symbol: at the arrow/reference-line junction or on the reference line itself • Confirm from welding symbol standards how an all around weld is indicated (hint: circle location) • Eliminate any option whose usual symbol would require extra details (like size or spacing) that are not shown in this simple symbol