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Free Kansas CDL Air Brakes Test 2025
Part of mandatory Entry-Level Driver Training Course Based on 2025 KS commercial driver's license manualAvailable in EN, ES
30questions
6mistakes allowed
80%passing score
Today, you will have an opportunity to practice for Kansas’ CDL air brake exam, with questions carefully based on the Kansas Commercial Driver License Manual. Each of these multiple-choice questions is meant to simulate the kind of question that you will face on the real examination. However, our questions each include a hint and an explanation so that you can learn more about the subject matter and be able to answer questions in the future about the same topics that may be worded differently. Read the explanations carefully, practice as often as you need to until you feel comfortable, and good luck on your upcoming air brake exam!
Perfect for
- First-time KS CDL and CLP applicants
- CDL holders adding endorsements
- KS CDL renewal applicants
What to expect on the actual exam
| How many questions | 25 |
|---|---|
| How many correct answers to pass | 20 |
| Passing score | 80% |
Unlock all 1,500+ exam-like questions for Kansas. Pass Guarantee
Become a member to unlock our extensive library of 1,500+ exam-like questions and get your Kansas ELDT certification online. Official FMCSA-approved national Entry-Level Driver Training provider.
Pass the first time, guaranteed
List of questions (classic view)
- How would you check your truck's slack adjusters?
- Under which conditions are front wheel brakes good?
- Which of the following can cause brakes to fail or fade?
- The tractor protection valve
- When should you use the parking brake?
- After the initial drop, the maximum acceptable leakage rates per minute are
- How do brakes work on a long, steep downgrade?
- Which vehicles must have low air pressure warning signals?
- If the air tanks are not drained,
- How can you tell if your vehicle is equipped with an anti-lock braking system (ABS)?
- Which of the following is NOT part of the braking process when driving a tractor-trailer combination vehicle with an anti-lock braking system (ABS)?
- Which of the following are true about a dual air brake system?
- Why must you study air brakes in the state of Kansas?
- Slack adjusters are
- Which of the following is NOT part of the drum brake?
- What is the best way to test if your vehicle's spring brakes come on automatically?
- Which of the following should you do before leaving your vehicle unattended?
- Spring brakes are
- When should you drain your air tanks?
- An anti-lock braking system (ABS)
- What is the best way to test your vehicle's low air pressure warning signal?
- At what measurement is the safety valve USUALLY set to open?
- Which of the following will be true about your brake function if your anti-lock braking system (ABS) fails?
- Which of the following is NOT part of the air brake system?
- The purpose of a supply pressure gauge is
- The low air pressure warning signal will come on before the pressure in the air tanks falls below
- A low pressure warning signal is required on
- All vehicles equipped with air brakes have
- With air brake-equipped vehicles, the parking brakes should be used
- The use of air brakes on a downgrade is only a supplement to the
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