On a lead line, which marking indicates 25 fathoms?

Prepare for the Boatswain’s Mate Chief (BMC) SWE Exam with in-depth study materials and multiple-choice questions. Enhance your understanding with well-explained hints and explanations. Ready yourself to excel!

Multiple Choice

On a lead line, which marking indicates 25 fathoms?

Explanation:
On a lead line, depth is read from marks that encode fathoms. Each fathom is six feet, and the marks show tens of fathoms and units separately, with a separator between them. So twenty-five fathoms would be read as the tens digit, the separator, then the units digit: 2 X 5. With that in mind, the marking 2 X 3 would indicate twenty-three fathoms, not twenty-five. If the task is to identify twenty-five fathoms, look for the pattern 2 X 5. The important idea is reading the two digits around the separator as the count of fathoms.

On a lead line, depth is read from marks that encode fathoms. Each fathom is six feet, and the marks show tens of fathoms and units separately, with a separator between them. So twenty-five fathoms would be read as the tens digit, the separator, then the units digit: 2 X 5.

With that in mind, the marking 2 X 3 would indicate twenty-three fathoms, not twenty-five. If the task is to identify twenty-five fathoms, look for the pattern 2 X 5. The important idea is reading the two digits around the separator as the count of fathoms.

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