Question 197Electricity/Electronics - QMED70% to pass
As shown in the illustrated wiring diagram for an engine order telegraph system, what statement concerning the constant ringing and trouble alarm is true? Illustration EL-0113

AI Explanation
The correct answer is C. The constant ringing and trouble alarm sounds when the acknowledge handle and indicator arrow are not on the same order.
This is correct because the engine order telegraph system is designed to provide clear and reliable communication between the bridge and the engine room. The constant ringing and trouble alarm is a safety feature that alerts the operator when there is a discrepancy between the acknowledge handle and the indicator arrow, indicating a potential miscommunication or error in the system. The other options are incorrect because they do not accurately describe the purpose and function of the constant ringing and trouble alarm in this system.
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