Free CDL Quiz

When coupling a triple trailer combination, after coupling the tractor to the first trailer, what is the next step?

a.Connect the third trailer to the second trailer
b.Couple the second trailer to the first using a converter dolly
c.Drive forward to test the coupling
d.Load the first trailer

Explanation

After coupling the tractor to the first (heaviest) trailer, the next step is to couple the second trailer to the first using a converter dolly. Once the doubles combination is complete and checked, you then couple the third (lightest) trailer.

← Back to Double/Triple Endorsement Test #2

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About the CDL Exam

The CDL (Commercial Driver License) exam tests your knowledge of commercial driving rules, safety procedures, and vehicle operation. You must score 80% or higher to pass the written knowledge test. The exam covers general knowledge, air brakes, combination vehicles, and various endorsements.

This question is from the Double/Triple Endorsement Test #2 section. Practice with more questions from this category to build confidence before taking the official DMV test.

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