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- Updated for December 2024
- Based on 2024 UT commercial driver's license manual
Free Utah CDL Air Brakes Test 2024
Today, you will have the opportunity to expand your truck driving knowledge in prepare for taking your Utah CDL air brake exam, so that you will be qualified to drive a commercial vehicle with air brakes. Currently, you may or may not already have your CDL, so you may either intend to get test on air brakes while taking your first CDL exam or taking the air brake test to have a restriction removed from your CDL. No matter the current situation, this practice exam will prepare you to get a passing score. These 30 multiple-choice questions is based directly on the information provided in the Utah Commercial Driver’s License Manual. If you read the explanation accompanying each question closely, and come back to practice often, you will soon start to feel comfortable with the information, format, and test time limits. Before you know it, you will be ready to pass your Utah air brake exam and become a safer CDL driver!
- 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 UT DMV exam
questions
correct answers to pass
passing score
List of questions (classic view)
- How can you tell if your vehicle is equipped with an antilock braking system (ABS)?
- If the air tanks are not drained,
- Spring brakes are
- Which of the following are true about a dual air brake system?
- Which of the following is NOT part of the drum brake?
- Why must you pass a knowledge test on air brakes?
- Slack adjusters are
- At what measurement is the safety valve USUALLY set to open?
- How would you check your truck's slack adjusters?
- What is the best way to test your vehicle's low air pressure warning signal?
- After the initial drop, the maximum acceptable leakage rates per minute are
- What is the best way to test if your vehicle's spring brakes come on automatically?
- An antilock braking system (ABS)
- Which of the following can cause brakes to fade or fail?
- Under which conditions are front wheel brakes good?
- When should you drain your air tanks?
- Which vehicles must have low air pressure warning signals?
- The purpose of a supply pressure gauge is
- Which of the following is NOT part of the braking process when you're driving a tractor-trailer combination vehicle with an antilock braking system (ABS)?
- When should you use the parking brake?
- Which of the following is NOT part of the air brake system?
- Which of the following will be true about your brake function if your antilock braking system (ABS) fails?
- The tractor protection valve
- Which of the following should you do before leaving your vehicle unattended?
- How do brakes work on a long, steep downgrade?
- 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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