2026 Utah Pretrip CDL Practice Test 3

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The kingpin is a cylindric piece of metal protruding down from the apron, it has a base which is near the apron, shank or the narrow section of the kingpin where the locking jaws connect, and the head or the part furthest from the apron. What should you check the kingpin for?

Not bent or damaged, no cracks, and no illegal welds. Securely mounted, no cracks, and no illegal welds. Securely mounted, not bent or damaged, no cracks, and no illegal welds. Securely mounted, not bent or damaged, and no cracks.

Correct Answer:

Securely mounted, not bent or damaged, no cracks, and no illegal welds.

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