- 0 Incorrect (4 allowed to pass)
- 0 Correct
- Updated for January 2025
- Based on 2025 FL commercial driver's license manual
Free FL CDL Double/Triple Trailers Practice Test 2025
Did you know that in Florida, you cannot tow more than one trailer or vehicle unless it’s for commercial purposes and you have obtained the Double/Triple Trailers endorsement? In fact, even if you obtain the Florida Double/Triple Trailers Endorsement, triple trailers are not allowed on Florida’s public roads. But make no mistake! Your marketability as a driver is greatly enhanced in the state of Florida when you can transport larger double trailer payloads, particularly in the agriculture, logistics, and freight industries.
If you’re in the market for this endorsement on your FloridaCDL, the key requirement is passing a 20-question multiple-choice knowledge test. The test requires a score of 80% (or 16 correct answers) to pass. Once you’ve achieved this certification, you receive the valuable “T” endorsement on your CDL, which authorizes you to pull two or three trailers (where such laws allow) and operate combination vehicles that require this added skill and knowledge (Florida CDL Handbook 2025).
You may be saying to yourself, “That sounds great! But how can I best prepare for this test?”
What you need is a systematic and focused approach. That’s where our online free Florida CDL Double/Triple Trailers practice test comes in. It is up to date as of January 2025 and includes 20 multiple-choice questions that resemble what you will face at the DMV on your actual test day!
As you take our online practice test, you’ll receive immediate, detailed feedback on each answer. If you select an incorrect response, we instantly show you why a different choice is correct, helping reinforce your understanding in real time. This way, you can absorb the material as you progress, rather than being bombarded with corrections at the end of the assessment.
The state of Florida only requires the passing of this knowledge test in order to add the “T” endorsement to your already existing Class A or Class B CDL. Once you have prepared, passed our free practice tests, and feel ready to go, you simply apply at the DMV, provide the required documentation, and pay the required fee prior to taking the official test.
Looking for other Florida-based CDL endorsements? Find tons of valuable information and practice tests here.
- Perfect for first-time and renewal CDL/CLP applicants, and those adding endorsements
- Triple-checked for accuracy
What you need to know
What to expect on the actual FL DMV exam
questions
correct answers to pass
passing score
Helpful links
List of questions (classic view)
- When you're pulling more than one trailer, which trailer should be the first one behind the tractor?
- Which of these statements about quick steering movements and doubles/triples is true?
- You are driving a 100-foot double trailer combination at 50 mph. The road is dry and visibility is good. You should keep at least ____ seconds of space ahead of you.
- Before connecting a converter dolly to a second or third trailer, you should check the height of the trailer. The trailer height is right if
- You are driving a 100-foot double trailer combination at 30 mph. The road is dry and visibility is good. You should keep at least ____ seconds of space ahead of you.
- With the hand valve on, you should test the trailer brakes by opening the service line valve at the rear of the rig. When you do this, you should hear
- Empty trucks
- Which of these statements about handling doubles and triples is true?
- Before you can supply air to the air tanks of a second trailer, you need to
- You are driving with double trailers and must use your brakes to avoid a crash. For emergency braking, you should
- How can you be sure that you supplied air to the rearmost trailer?
- What is likely to happen if the pintle hook is unlocked while the dolly is still under the second trailer?
- You want to hook your combination to a second trailer that does not have spring brakes. To do this without wheel chocks, you should
- Which of these statements about managing space to the sides is true?
- The crack-the-whip effect that troubles trucks with trailers is most likely to tip over
- You are visually checking the coupling of a converter dolly to the rear trailer. How much space should there be between the upper and lower fifth wheel?
- You are pulling doubles. A set of trailer wheels goes into a skid. Which of the following is most likely to occur?
- You are doing a walk-around inspection of a double or triple trailer rig. You should be sure that the converter dolly air tank drain valves are ______ and the pintle hook is _______.
- A converter dolly is
- A converter dolly consists of a ______ wheel and ________ axles.
- Which of these statements about checking your mirrors is true?
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