Track repeater relay (slotting) coded as which?

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Multiple Choice

Track repeater relay (slotting) coded as which?

Explanation:
Slotting needs a device that simply repeats the status of a track circuit so the interlocking can operate the slot correctly. Typ is the designation used for a track repeater relay specifically used for slotting, which is why it’s the best match. It signals to the system that this relay’s job is to repeat the track status for slotting purposes, not just to handle a standard track circuit. The other codes refer to different track circuit configurations or relay roles and don’t indicate a slotting repeater.

Slotting needs a device that simply repeats the status of a track circuit so the interlocking can operate the slot correctly. Typ is the designation used for a track repeater relay specifically used for slotting, which is why it’s the best match. It signals to the system that this relay’s job is to repeat the track status for slotting purposes, not just to handle a standard track circuit. The other codes refer to different track circuit configurations or relay roles and don’t indicate a slotting repeater.

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