As shown in the illustrated wiring diagram...

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Question 1 of 205eccef9cbacbc34ba4d45a33

As shown in the illustrated wiring diagram for an engine order telegraph system, what statement concerning the current failure alarm buzzer is true? See illustration EL-0113.

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Question 1 of 20

5eccef9cbacbc34ba4d45a33

As shown in the illustrated wiring diagram for an engine order telegraph system, what statement concerning the current failure alarm buzzer is true? See illustration EL-0113.

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🔍 Key Concepts

• Trace how the current failure alarm relay coil is powered and what happens to its contacts when that power is lost. • Compare the source that feeds the buzzer and pilot light with the source that feeds the EOT synchro (115 VAC) circuits. • Think about whether an alarm device can still sound if the power source that feeds it is lost.

💭 Think About

• On the current failure alarm panel, when the relay coil is energized, are the buzzer contacts open or closed? What changes when that coil loses power? • Follow the wires labeled to the battery/emergency switchboard and the wires labeled Ship’s Power 115 VAC 60 Hz. Which supply is actually used to ring the buzzer? • If only one transmitter or indicator winding opened, would that stop all current in the main EOT supply, or just affect that one unit?

✅ Before You Answer

• Verify which power source actually feeds the buzzer (look at its positive and negative leads on the diagram). • Check whether the relay coil that senses "current failure" is tied to the 115 VAC synchro supply or to the DC battery/emergency supply. • Confirm whether an open in a single stator or rotor winding would interrupt current to the entire system or just one branch.

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Question 1 of 205eccef9cbacbc34ba4d45a33

As shown in the illustrated wiring diagram for an engine order telegraph system, what statement concerning the current failure alarm buzzer is true? See illustration EL-0113.

Back

Question 1 of 20

5eccef9cbacbc34ba4d45a33

As shown in the illustrated wiring diagram for an engine order telegraph system, what statement concerning the current failure alarm buzzer is true? See illustration EL-0113.

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

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

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