CDL · Doubles and triples
What tells you that a converter dolly is fitted with antilock brakes (ABS)?
Correct answer: Dollies made on or after March 1, 1998 must have ABS, and an ABS dolly has a yellow lamp on its left side.
Answer options
- ADollies made on or after March 1, 1998 must have ABS, and an ABS dolly has a yellow lamp on its left side Correct
- BEvery dolly built after 1985 came with ABS from the factory, and there is no outside marking to show it
- CNothing on the outside of the dolly shows it, so you have to check the owner's manual to find out for sure
Why
ABS is required on any converter dolly built on or after March 1, 1998. A dolly that has ABS shows a yellow lamp mounted on its left side, so a quick walk-around look tells you.
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
- How can you check that air is actually getting all the way to the second trailer?
- Which lamp is required on a converter dolly that has an antilock braking system (ABS)?
- Federal rules require antilock brakes (ABS) on converter dollies manufactured from which month and year onward?
- In a double or triple combination, how should you set the shut-off valves located at the back of the rearmost trailer?
- Besides the checks you would make on any combination vehicle, what else must you inspect on doubles or triples?
- Which of these is a key check when you inspect a double or triple rig?
- 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?
- You are inspecting a converter dolly. What must be true of its pintle hook connection?
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