اختبار الحصول على رخصة سحب مقطورتين او ثلاثة Double and Triple Trailer

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سؤال 1

You want to hook your combination to a second trailer that has no spring brakes. To do this without wheel chocks you should

الجواب

Supply air to the trailer air system with the tractor and then disconnect the emergency line

 Make sure the trailer will roll freely when coupling

Hook the trailer electric cord to a portable generator for braking