Deck General · Wire Rope
A wire rope should generally be removed from service when, in one lay length, the number of randomly distributed broken wires reaches about:
- A1 broken wire
- B2 broken wires
- CSix broken wires✓ Correct
- DNo limit until it parts
Explanation
A common discard criterion is six randomly distributed broken wires in one lay, or three in any one strand. Other criteria include corrosion, kinking, birdcaging, and diameter reduction.
Authority: Wire Rope Users Manual; ASME B30 standards
Practice the full Deck General bank
Free spaced-repetition quizzing across 2190 USCG exam questions — it schedules your reviews so the ones you miss come back until they stick.
Related Deck General questions
- Wire Rope
When a wire rope is described as '6 x 19', the two numbers refer to:
- Stability Definitions
Displacement is best defined as:
- Stability Definitions
Deadweight tonnage (DWT) is defined as:
- Stability Definitions
Lightship displacement includes:
- Stability Definitions
Freeboard is measured from the:
- Stability Definitions
Reserve buoyancy is best described as: