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- Updated for October 2024
- Based on 2024 FL commercial driver's license manual
Free Florida CDL Combination Practice Test 2024 | FL
Driving combination vehicles can be an integral part your commercial driving career. Before you can reach that point though, you’ll need to pass an exam from your local branch of the Florida DMV showing that you’ve mastered the specialized knowledge necessary to drive these vehicles safely. The following 30 questions are from the official 2024 Florida CDL Manual, and cover just combination vehicles to help you prepare for this specific DMV test. Good luck both now on the practice exam and on your real exam when the time comes!
- Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
- Triple-checked for accuracy
What you need to know
9 min to complete
Available in EN and ES
Verified by Steven Litvintchouk, M.S., Chief Educational Researcher, Member of ACES. See our detailed commitment to accuracy and quality in our practice tests.
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What to expect on the actual FL DMV exam
20
questions
16
correct answers to pass
80%
passing score
Helpful links
List of questions (classic view)
- To prevent a rollover while you're driving a combination vehicle, you should
- What is the best way to test the trailer service brakes?
- What does the trailer air supply control do?
- During a walk-around inspection of a combination vehicle, you should check to make sure that
- Which of the following is NOT part of inspecting the coupling?
- After coupling, how much space should there be between the lower and upper fifth wheel?
- Which of the following is NOT part of testing the tractor protection valve?
- If you use the trailer hand valve while driving,
- Which of the following is NOT a way to tell if your trailer is equipped with an antilock braking system (ABS)?
- Which of the following control air in the service line?
- When parking a vehicle that does not have spring brakes, you should use chocks
- Which of the following is NOT part of checking that air is flowing to all trailers?
- What is the first step in coupling a tractor-semitrailer?
- To drive, how high do you need to raise the landing gear?
- If you try to couple when the trailer is too high,
- Which of the following statements about an antilock braking system (ABS) is FALSE?
- To back a trailer, what should you do?
- Which of the following types of vehicles are more likely to get stuck at a raised railroad crossing?
- What is the definition of "off-tracking?"
- Where would you find the shut-off valves?
- Which of the following is NOT a purpose of the emergency air line?
- While uncoupling, what should you do AFTER you unlock the fifth wheel?
- Which of the following is most likely to roll over?
- To straighten out a jackknifing trailer, should you apply the trailer hand brake?
- When you check the lower fifth wheel during the coupling process, you do NOT need to make sure
- Loss of air pressure in the emergency line causes
- Which of these statements is true?
- If you cannot make a right turn without swinging into another lane, what should you do?
- If there is a major leak in the _________, the tractor protection valve will close and the trailer emergency brakes will come on.
- The rear wheels of which vehicle will off-track the most?
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