While passing a detector that transmits a hotbox message, when will the engineer be required to stop the train in response to the hotbox detector actuation?

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Study for the Union Pacific (UP) Return to Work Exam. Prepare with flashcards and multiple-choice questions. Each question comes with hints and explanations. Get ready for your test!

Multiple Choice

While passing a detector that transmits a hotbox message, when will the engineer be required to stop the train in response to the hotbox detector actuation?

Explanation:
Hotbox detectors monitor bearing temperatures in real time, and when a detector flags a hotbox condition it signals a potential overheated bearing or dragging equipment. The safest, correct action is to stop immediately to inspect the train and address the issue before continuing. Delaying the stop by waiting until a yard or just slowing down does not promptly address the hazard and could lead to a derailment. So stop at once and inspect for dragging equipment or other bearing problems.

Hotbox detectors monitor bearing temperatures in real time, and when a detector flags a hotbox condition it signals a potential overheated bearing or dragging equipment. The safest, correct action is to stop immediately to inspect the train and address the issue before continuing. Delaying the stop by waiting until a yard or just slowing down does not promptly address the hazard and could lead to a derailment. So stop at once and inspect for dragging equipment or other bearing problems.

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