CDL · Vehicle inspection
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?
Correct answer: Neither defect is an out-of-service condition for the dolly.
Answer options
- AThe dolly has no stop lamps.
- BThe dolly has no tail lamps.
- CNeither defect is an out-of-service condition for the dolly. Correct
Why
Under the roadside out-of-service criteria (the North American Standard), a converter dolly riding between the trailers of a standard double is not taken out of service just because its stop lamps or tail lamps are missing.
About this question
Topic: Vehicle inspection 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?
- Federal rules require antilock brakes (ABS) on converter dollies manufactured from which month and year onward?
- How can you check that air is actually getting all the way to the second trailer?
- 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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