In the illustrated system, the engine room station is unable to signal any other station, nor is any other station able to signal the engine room stat...

Question

In the illustrated system, the engine room station is unable to signal any other station, nor is any other station able to signal the engine room station. The engine room station can, however, ring itself by proper positioning of its selector switch. What is the most probable cause of this problem?

Accepted Answer

There is an open between terminal "C" of the problem station and the common wire of the multi-conductor cable to the other stations.

Engine: Engineering Safety

In the illustrated system, the engine room station is unable to signal any other station, nor is any other station able to signal the engine room station. The engine room station can, however, ring itself by proper positioning of its selector switch. What is the most probable cause of this problem?

Appears on the 2026 sample exam for

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