Oklahoma CDL Combination Vehicles Test

Prepare for operating combination vehicles including tractor-trailers and understanding coupling procedures.

20 Questions
16/20 to Pass
25 Minutes
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About the Combination Vehicles Test

Prepare for operating combination vehicles including tractor-trailers and understanding coupling procedures.

Test Requirements

  • Number of questions: 20
  • Correct answers to pass: 16 out of 20
  • Passing score: 80%
  • Time limit: 25 minutes

Study Tips

  • Learn proper coupling and uncoupling procedures
  • Understand the risks of trailer jackknifing
  • Study combination vehicle inspection requirements
  • Know the differences in handling compared to single vehicles

What to Expect

This practice test simulates the actual Oklahoma CDL Combination Vehicles exam. Each question is multiple choice with four possible answers. You must score at least 16 out of 20 to pass.

The questions are based on the official Oklahoma CDL handbook and cover topics including:

  • Federal Motor Carrier Safety Regulations (FMCSR)
  • Oklahoma-specific CDL requirements
  • Safe driving practices and procedures
  • Vehicle operation and maintenance

Oklahoma DMV Information

Oklahoma Department of Public Safety – Driver License Services

Visit OK DMV Website
Official Resources
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