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- Updated for December 2024
- Based on 2024 TX commercial driver's license manual
Free TX CDL Double/Triple Trailers Practice Test 2024
Earning the “T” endorsement for Double/Triple Trailers in Texas is an amazing way to elevate both your clout as a driver and your earning potential as a Commercial Driver’s License (CDL) holder. From the deserts in the west to the rolling plains, forests, and coastal areas in the east, Texas is a vast state where diverse challenges and opportunities await. So, here’s the deal: the main requirement and the only thing standing between you and this endorsement, is passing a 20-question multiple-choice knowledge test with a score of 80% (16 correct answers). That’s it! Since this is an addition to your CDL, you’ve already done the heavy lifting. Once you pass, you’ll be granted the ability to legally tow two or three trailers in authorized areas (Texas CDL Handbook 2024).
In the Lone Star State, you must be at least 18 years of age to earn this endorsement. However, if you want to cross state lines, federal law states you must be 21 or older. Also, this endorsement qualifies you to drive doubles and triples, but in the state of Texas, only double trailers are allowed. Fortunately though, double trailers are often used throughout Texas for the transport of oil, natural gas, and petrochemicals as well as agricultural products like beef, cotton, grains, and produce. You’ll also find doubles transporting automotive parts and machinery, consumer goods and electronics, and construction materials like steel, concrete, and lumber. You might now be asking, “Where do I begin?”
Our online Texas CDL Double/Triple Trailers Endorsement practice test takes the mystery out of what materials need to be focused on. We offer a fine-tuned approach without the excess you’ll find searching through a sea of information online. Just the essentials presented up to date as of December 2024, and including 20 multiple-choice questions that offer instant feedback on every answer. This is a proven method that is much more effective for retention than facing the feedback all at once at the end.
Are you ready to take your career to the next lucrative level? When you feel confidently prepared from practicing with our tests, simply head over to the DMV with your documents, pay the fee to apply, and pass the test with flying colors.
- 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 TX DMV exam
questions
correct answers to pass
passing score
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 a second 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.
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