2026 Wyoming Doubles - Triples CDL Practice Test 1

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You have connected the converter dolly to the front semitrailer and then connected the rear semitrailer to the converter dolly. How should you test the coupling?

Pull against the rear semitrailer's pin. Drive forward, brake suddenly, and see if the rear semitrailer hits the one in front of it. Drive forward slowly and see if the rear semitrailer stays attached.

Correct Answer:

Pull against the rear semitrailer's pin.

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