From the information given in the...

Question 1 / 205eccefa4bacbc34ba4d48489

Question 1 of 205eccefa4bacbc34ba4d48489

From the information given in the illustration, which of the following statements is correct? See illustration EL-0106.

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Question 1 of 20

5eccefa4bacbc34ba4d48489

From the information given in the illustration, which of the following statements is correct? See illustration EL-0106.

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🔍 Key Concepts

• Normal vs emergency power sources shown on the one‑line diagram (SSDGs on the main switchboard vs EDG on the emergency switchboard). • How the 480 VAC emergency bus can be fed in different modes (from the main switchboard through a bus‑tie, or directly from the EDG). • What equipment the emergency diesel generator (EDG) is designed to supply in emergency mode according to the diagram (emergency power panels, lighting, etc.).

💭 Think About

• On the diagram, trace the path of power in normal operation: from which generators, through which breakers, to the 480 VAC emergency bus. • Then trace the path of power when the main-emergency bus-tie breaker is open and the EDG is running: which buses and panels are still energized? • Look at every symbol connected to the shore power and EDG and ask: does the diagram actually show what the choice claims (automatic start, shore power restriction, or which buses are fed)?

✅ Before You Answer

• Verify which side of the main-emergency bus-tie circuit breaker the 480 VAC emergency bus is connected to, and what happens if that breaker is opened. • Check whether the EDG output connects to the same 480 VAC bus that feeds the group control centers, or only to specifically labeled emergency power panels. • Confirm whether there is any indication on the diagram that shore power depends on the vessel being tied up on a particular side (port or starboard) — diagrams usually show electrical, not mooring, limitations.

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Question 1 of 20

From the information given in the illustration, which of the following statements is correct? See illustration EL-0106.

Automation should automatically start the emergency generator and close its circuit breaker if the main-emergency bus-tie circuit breaker is manually tripped open.

In the normal mode, the 480 VAC emergency bus receives its power from the emergency generator circuit breaker.

Shore power, while in port, may only be provided if the ship is tied up port side to the dock.

In the emergency mode, the 480 VAC group control centers are capable of being powered from the emergency diesel generator.

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Question 1 / 205eccefa4bacbc34ba4d48489

Question 1 of 205eccefa4bacbc34ba4d48489

From the information given in the illustration, which of the following statements is correct? See illustration EL-0106.

Back

Question 1 of 20

5eccefa4bacbc34ba4d48489

From the information given in the illustration, which of the following statements is correct? See illustration EL-0106.

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

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