Practice question

For the Kentucky CDL Combination Vehicles test, which statement is correct about securing before visual inspection?

Close every shut-off valve before moving the combination.
Set parking brakes, shift to neutral, shut off the engine, and take the key before going under the trailer.
Use actual loaded weight instead of GVWR or GCWR for CDL class decisions.
Use the trailer hand valve for normal braking while driving.

Answer: B — Set parking brakes, shift to neutral, shut off the engine, and take the key before going under the trailer.

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