Practice question

Which topics should receive priority for the Oklahoma CDL Combination Vehicles Test rather than doubles/triples-only details?

Fifth wheel and kingpin coupling, inspection, trailer air lines, landing gear, off-tracking, rollover, backing, skids, jackknife, speed, and space
Only converter dolly coupling for triple trailers
Only hazardous-material placarding
Only passenger loading and unloading

Answer: A — Fifth wheel and kingpin coupling, inspection, trailer air lines, landing gear, off-tracking, rollover, backing, skids, jackknife, speed, and space

The correct answer is shown above. Try the full quiz for additional practice.