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Combination Vehicles Practice Question 58

Required for Class ACombination Vehicles · Question 58

When making a long left turn at an intersection, you should:

• ACut the corner sharply
• BUse the leftmost lane available and turn into the left lane on the cross street
• CTake the right lane
• DUse the trailer hand valve

Correct answer: B. Use the leftmost lane available and turn into the left lane on the cross street

Why: Approach in the leftmost lane and complete the turn into the leftmost lane of the cross street, leaving room for off-tracking.

How this question fits the Combination test

Articulated vehicles fail in unique ways: trailer swing under braking, rearward amplification under steering, and jackknife under loss of traction. Combination Vehicle knowledge is required for any Class A applicant under 49 CFR 383.111.

Study technique for this topic

Walk through the coupling sequence verbally until it's second nature. Know the safe-rolling rearward amplification factor, the difference between trailer service brakes and parking brakes, and what creates the conditions for a tractor jackknife.

Related Combination practice questions

• Q42. Trailer length affects:
• Q55. A trailer with sliding tandems lets you:
• Q5. After backing under the trailer, you should:
• Q18. Cargo loaded too far forward can:
• Q31. Trailer ABS sensors are typically located at:

Continue your CDL preparation

The Combination Vehicles portion of the CDL knowledge exam covers more than this single question. Use this site's full Combination Vehicles 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.