Practice question

Which belongs in lower fifth wheel inspection?

Handle color only
Fuel cap only
Washer fluid only
Secure mounting, no missing parts, grease, and no gap

Answer: D — Secure mounting, no missing parts, grease, and no gap

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

Practice more: Iowa CDL Combination Vehicles Test Practice Questions - Iowa Commercial Driver License Combination Vehicles Test Exam →