Practice question

What should be done before pulling a converter dolly out from under a rear trailer?

Confirm the rear trailer is supported, brakes or chocks are set, and lines are disconnected and secured
Open the fifth wheel and accelerate sharply
Leave the landing gear raised to avoid scraping
Disconnect only the electrical cord

Answer: A — Confirm the rear trailer is supported, brakes or chocks are set, and lines are disconnected and secured

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