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What is the effect on a truck-trailer combination when the parking brake in the towing vehicle is engaged (not in the test position)?

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The towing vehicle will be mechanically braked

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At this point, the trailer will usually only be braked with compressed air through the service brake system

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The trailer will be mechanically braked

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iFahrer - Führerschein

Meistere das Fahren mit KI – Bereiten, Üben, Bestehen!

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