Free CDL Quiz

What should you inspect on the converter dolly fifth wheel during a pre-trip inspection?

a.Only that it is painted
b.That it is properly greased, not cracked or broken, and the locking mechanism is secure
c.That it is loose enough to allow turning
d.Only the mounting bolts

Explanation

During pre-trip inspection, check that the converter dolly fifth wheel is properly greased, not cracked, broken, or missing parts, and that the locking mechanism securely holds the trailer kingpin. Look into the back of the fifth wheel to verify the lock.

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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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