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Doubles & Triples Practice Question 13

TDoubles & Triples · Question 13

Approximate maximum advisable highway speed when pulling triples is:

• ASame as a passenger car
• BLower than for singles, often capped by company policy or state law
• CHigher to reduce travel time
• D75 mph minimum

Correct answer: B. Lower than for singles, often capped by company policy or state law

Why: Many carriers and states cap triples speeds well below the posted limit due to amplified risks. Follow company and state rules.

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

• Q58. A skidding rear trailer can:
• Q11. Doubles and triples are most likely to roll over:
• Q25. The total length of doubles or triples is regulated:
• Q38. The fifth wheel on a converter dolly:
• Q51. A 'lunette ring' is:

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.