Question 6 of 20
Score: 0/0How should you hook your combination to a second trailer that has no spring brakes without using wheel chocks?
ExplanationTo safely hook a second trailer without spring brakes and without wheel chocks, you must supply air to the trailer’s air system first, then disconnect the emergency line to prevent the trailer from rolling.
Missing these? The CDL Study Bundle turns the rules you keep getting wrong into one quick reference.
Next Question →
Did you know? Hook the converter dolly in order and secure it — the test checks every step.
← Back to Doubles & Triples tests