Figure "B", shown in the illustration, is dimensioned to indicate a/an __________. GS-0019
Official USCG Answer & Rule Citation
Correct Answer: Option A — interference fit
In mechanical engineering drawings, an interference fit occurs when the internal member is larger than the external member, requiring force for assembly. Figure 'B' illustrates this condition, where the dimensions indicate that the shaft diameter exceeds the bore diameter, creating the necessary pressure for a secure, non-slip mechanical connection.
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