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What happens if duplicate part numbers appear in a BOM export without grouping or summing quantities?

hard🧠 Conceptual Q10 of 15
PCB Design - Manufacturing Output
What happens if duplicate part numbers appear in a BOM export without grouping or summing quantities?
AThe BOM will list duplicates separately, causing ordering errors
BThe duplicates are automatically merged by default
CThe export file will fail to generate
DThe quantities will be summed automatically
Step-by-Step Solution
Solution:

  1. Step 1: Understand duplicate handling

    Without grouping, duplicates appear as separate lines with individual quantities.

  2. Step 2: Identify impact

    This can cause ordering errors by not reflecting total needed quantity per part.

  3. Final Answer:

    The BOM will list duplicates separately, causing ordering errors -> Option A

  4. Quick Check:

    Duplicates ungrouped = Separate lines, risk errors [OK]
Quick Trick: Ungrouped duplicates cause separate lines and errors [OK]
Common Mistakes:
MISTAKES
  • Assuming automatic merging or summing
  • Thinking export will fail due to duplicates
  • Ignoring duplicate impact on ordering

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