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FREE 2024 Kansas (KS) Doubles - Triples Quick Review 3

2024 KS Doubles - Triples Information

The doubles and triples CDL endorsement grants the ability to drive a combination of multiple trailers attached to one truck or power unit. Please keep in mind it is illegal to pull triple trailers in many states. Normal doubles and triple jobs can include UPS, Fedex, and more.

We have compiled 60 of the most used doubles and triples endorsement questions, and our questions are based on the information provided by the 2024 Kansas CDL drivers’ manual. The exam itself will have 20 multiple choice questions on it, and you must score at least 80% (16 out of 20) to pass the doubles and triples exam.

Our CDL Practice tests are based on the real exam, one question per page, multiple choice answers, and one chance to get it right. However, our practice tests will provide immediate feedback, showing the question again, highlighting the correct answer, and giving a brief explanation why that answer is correct.

Image of Kansas's Driver's License

Based on the 2024 KS CDL Driver's Manual

KS Doubles - Triples Fact Sheet
Questions on Test:
20
Correct answers needed to pass:
16
Passing Score:
80%
Age to apply:
18
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How can you be sure you supplied air to a second trailer?

Possible Answers:

Go to the rear of the second trailer and open the emergency line shut off
Watch each trailers air gauge for a drop of 30 PSI
Apply the hand valve at 10 MPH, you should stop in the same distance as a truck with one trailer at 5 MPH
Answer:
Go to the rear of the second trailer and open the emergency line shut off
Explanation:
Use the tractor parking brake and/or chock the wheels to hold the vehicle. Wait for air pressure to reach normal, then push in the red "trailer air supply" knob. This will supply air to the emergency (supply) lines. Open the emergency line shut-off valve at the rear of the last trailer. You should hear air escaping, showing the entire system is charged.
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  1. How can you be sure you supplied air to a second trailer?
  2. If a converter dolly is still under the second trailer and you unlock the pintle hook, what will probably happen?
  3. You are visually checking the coupling of a converter dolly to the rear trailer. How much space should be between the upper and lower fifth wheel?
  4. When you uncouple twin trailers, the last step is to
  5. Converter dollies
  6. You want to hook your combination to a second trailer that has no spring brakes. To do this without wheel chocks you should:
  7. Empty trucks:
  8. When parking your double or triple combination, you should look for a parking space
  9. 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:
  10. Which of these in not a good thing to do when driving on slippery roads?
  11. Double and triple combination vehicles are ________ stable than other types of commercial vehicles.
  12. You are driving a 100-foot twin trailer combination at 50 mph. The road is dry, and visibility is good. You should keep at least _____ seconds of space ahead of you.
  13. Which of these in not a good thing to do when driving on slippery roads?
  14. Which of these will result in the best control on curves?
  15. You are driving with double trailers and must use your brakes to avoid a crash. For emergency braking you should:
  16. You are doing a walk around inspection of a double or triple trailer rig. You should be sure the converter dolly air tank drain valves are _____ and the pintle hook is _____.
  17. During an inspection of a double or triple combination, check the usual things for any combination vehicle and check
  18. You have connected the converter dolly to the front semitrailer and then connected the rear semitrailer to the converter dolly. How should you test the coupling?
  19. The first step in uncoupling a converter dolly is
  20. Why must you inspect your double or triple combination vehicle more extensively than a vehicle with only one such semitrailer?
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