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The Ultimate Railroad Operations & Safety Challenge
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What is the purpose of a "retarder" in a hump yard?
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Hint
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⚖️
50-50
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Audience
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A
To delay the dispatch of trains during bad weather
B
To stop a runaway train on a steep incline
C
To limit the engine's fuel consumption
D
To slow down free-rolling railcars as they are sorted
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