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Doubles & Triples Practice Question 32

TDoubles & Triples · Question 32

A driver of doubles/triples should keep a minimum following distance of:

• AThe same as a passenger car
• BMore than for a single trailer due to longer stopping distance
• CLess to keep up with traffic
• DIt does not matter

Correct answer: B. More than for a single trailer due to longer stopping distance

Why: Heavier combinations need more room to stop. Add to the standard 1 second per 10 feet rule for doubles and especially triples.

How this question fits the Doubles/Triples test

Each additional articulation point multiplies rearward amplification. A driver pulling triples must steer earlier, brake sooner, and inspect twice as much equipment as a single-trailer driver.

Study technique for this topic

Learn the correct trailer placement order by weight, the procedure for converting a single to a double, and the special inspection items unique to converter dollies and pintle hook assemblies.

Related Doubles/Triples practice questions

• Q57. When the company changes how trailers must be ordered, the driver should:
• Q10. When uncoupling triples, you should:
• Q23. When the rear trailer of a double sways in a crosswind, you should:
• Q37. A bobtail tractor going to pick up the first trailer should:
• Q50. You should never tow a trailer with:

Continue your CDL preparation

The Doubles & Triples portion of the CDL knowledge exam covers more than this single question. Use this site's full Doubles & Triples bank to drill every topic, then test yourself with one of our state-specific practice sets to confirm you are ready for the actual DMV exam in your state. Always check your state's CDL handbook for any local addenda before the test day.

If you are still building your overall CDL foundation, start with the General Knowledge bank — every CDL applicant must pass it — and then work outward to the endorsements you plan to add.