According to 46 CFR, Subchapter J (Electrical Engineering), what is the required minimum capacity in terms of hours of operation required of the emergency power sources for passenger vessels certified for ocean, Great Lakes, coastwise, and international voyage service?
• 46 CFR Subchapter J – Electrical Engineering (focus on Part 112 – Emergency lighting and power systems) • Differences in emergency power duration requirements between passenger vessels and other vessel types • How vessel service type (ocean, Great Lakes, coastwise, international) affects minimum emergency power capacity
• Locate the specific 46 CFR section in Subchapter J that addresses emergency power sources and their required duration for passenger vessels. Which Part and subsection is it? • Notice whether the regulation lists different hour requirements for different services (e.g., cargo vs passenger, small vs large, domestic vs international). Which line applies to this question’s vessel description? • Compare the listed hour values in the regulation with the answer choices. Which value is explicitly tied to passenger vessels on ocean/Great Lakes/coastwise/international voyages?
• Verify you are reading 46 CFR, Subchapter J, Part 112 (Emergency lighting and power systems), not a different Subchapter or SOLAS-only requirement. • Confirm the vessel category: it must be passenger vessels on ocean, Great Lakes, coastwise, and international voyages—make sure the section you use matches this exact description. • Double‑check the exact number of hours stated in the regulation before matching it to A–D; don’t infer or average—use the precise value written in the CFR.
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