USCG Exam PracticeHydraulics and pneumatics
Under 46 CFR §28.405, a nonmetallic flexible hose in a hydraulic system that is NOT subject to torsional loading must be limited to a maximum length of:
- A. 18 inches (0.46 meters)
- B. 24 inches (0.61 meters)
- ✓ 30 inches (0.76 meters)Correct
- D. 36 inches (0.91 meters)
Why C is correct
46 CFR §28.405(i) limits nonmetallic flexible hose assemblies in applications not subject to torsional loading to a length of not more than 30 inches (0.76 meters). The other lengths are plausible dimensional values but are not stated in the regulation.
Cited:46 CFR §28.405