CDL · Doubles and triples
Which lamp is required on a converter dolly that has an antilock braking system (ABS)?
Correct answer: A yellow lamp on its left side.
Answer options
- AA red lamp on its right side.
- BA white lamp on its left side.
- CA yellow lamp on its left side. Correct
Why
Dollies equipped with antilock brakes must have an ABS malfunction lamp, and that lamp is yellow and mounted on the left side. It warns you when there is a problem with the antilock system.
About this question
Topic: Doubles and triples License: CDL
Part of these practice sets:
Where it applies: Asked in every state.
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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
- What tells you that a converter dolly is fitted with antilock brakes (ABS)?
- In a double or triple combination, how should you set the shut-off valves located at the back of the rearmost trailer?
- How can you check that air is actually getting all the way to the second trailer?
- Which of these is a key check when you inspect a double or triple rig?
- Federal rules require antilock brakes (ABS) on converter dollies manufactured from which month and year onward?
- You are inspecting a converter dolly. What must be true of its pintle hook connection?
- Besides the checks you would make on any combination vehicle, what else must you inspect on doubles or triples?
- On a walk-around inspection, what should be true of every landing gear?
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