According to 46 CFR, Subchapter J...

Question 1 / 205eccefa4bacbc34ba4d485ad

Question 1 of 205eccefa4bacbc34ba4d485ad

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 other than ocean, Great Lakes, coastwise, and international voyage service?

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🔍 Key Concepts

• 46 CFR Subchapter J – Emergency power systems on passenger vessels • Differences in emergency power duration for various routes/services (ocean vs. other than ocean/coastwise/etc.) • Which essential loads must be supplied during that minimum time (lighting, communications, alarms, etc.)

💭 Think About

• First, think about why a vessel on shorter, protected routes might be allowed a different emergency power duration than an ocean‑going vessel. • Consider which option sounds more like a typical minimum duration specifically for domestic passenger vessels not on long offshore voyages. • Ask yourself: if the emergency generator must power lighting, communications, and vital equipment long enough to abandon ship and be rescued on these routes, which time period is most reasonable?

✅ Before You Answer

• Verify in 46 CFR Subchapter J the specific table or section that lists required operating times for emergency power sources for different vessel service types. • Check that the option you pick matches the requirement for passenger vessels certified for other than ocean, Great Lakes, coastwise, and international voyage service—not for ocean‑going vessels. • Confirm whether the regulation specifies a fixed number of hours only, or a phrase like “X hours or twice the time of run, whichever is less.” Make sure your chosen option matches that exact language.

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Question 1 of 20

6 hours or twice the time of run, whichever is less.

8 hours or twice the time of run, whichever is less.

18 hours

36 hours

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Question 1 / 205eccefa4bacbc34ba4d485ad

Question 1 of 205eccefa4bacbc34ba4d485ad

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Question 1 of 20

5eccefa4bacbc34ba4d485ad

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🔍 Key Concepts

💭 Think About

✅ Before You Answer

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