Practice question

For a Pennsylvania CDL vehicle inspection on a combination vehicle, which added areas are most important?

Only checking trailer tires
Coupling area (fifth wheel, kingpin, air and electric lines), trailer walkaround (lights, tires, brakes, frame, suspension), landing gear, and load securement
Only checking the engine
Only checking the tractor windshield

Answer: B — Coupling area (fifth wheel, kingpin, air and electric lines), trailer walkaround (lights, tires, brakes, frame, suspension), landing gear, and load securement

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