CDL · Doubles and triples
Federal rules require antilock brakes (ABS) on converter dollies manufactured from which month and year onward?
Correct answer: March 1998.
Answer options
- AMarch 2002
- BMarch 2006
- CMarch 1998 Correct
Why
Air-braked trailers and converter dollies manufactured on or after March 1, 1998 must have ABS. Air-braked truck tractors were covered a year earlier, starting March 1, 1997.
About this question
Topic: Doubles and triples License: CDL
Part of these practice sets:
Where it applies: Asked in every state.
Practice the whole set
This question is part of Inspecting Doubles and Triples (15 questions). Take the full set and check your score.
Practice Inspecting Doubles and TriplesMore questions from Inspecting Doubles and Triples
- Besides the checks you would make on any combination vehicle, what else must you inspect on doubles or triples?
- How can you check that air is actually getting all the way to the second trailer?
- At a roadside inspection, an inspector checks the converter dolly between the trailers of a standard double. Which defect would make the inspector take the dolly out of service?
- What tells you that a converter dolly is fitted with antilock brakes (ABS)?
- Which lamp is required on a converter dolly that has an antilock braking system (ABS)?
- In a double or triple combination, how should you set the shut-off valves located at the back of the rearmost trailer?
- Which of these is a key check when you inspect a double or triple rig?
- You are inspecting a converter dolly. What must be true of its pintle hook connection?
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