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Part of mandatory Entry-Level Driver Training CourseBased on 2024 AR commercial driver's license manualAvailable in EN, ES
30questions
6mistakes allowed
80%passing score
Today, you will have the opportunity to answer 30 multiple-choice questions about air brakes in order to prepare for the DMV commercial driver exam on air brakes, and to become a safer driver.
These questions have been carefully written based on real DMV questions as well as information from the Arkansas Commercial Driver License Manual and applicable Arkansas laws. Along with each question, you will find a hint and explanation. It is recommended that you read each explanation as this will help you have a better understanding of the material discussed to prepare for the real DMV exam.
Good luck today, on your air brake test, and keep driving safely!
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Which of the following are true about a dual air brake system?
Why must you pass a knowledge test on air brakes?
Slack adjusters are
Spring brakes are
How do brakes work on a long, steep downgrade?
Which of the following is NOT part of the drum brake?
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)?
At what measurement is the safety valve USUALLY set to open?
When should you use the parking brake?
After the initial drop, the maximum acceptable leakage rates per minute are
What is the best way to test your vehicle's low air pressure warning signal?
Which of the following should you do before leaving your vehicle unattended?
The tractor protection valve
What is the best way to test if your vehicle's spring brakes come on automatically?
Which vehicles must have low air pressure warning signals?
Which of the following is NOT part of the air brake system?
Which of the following can cause brakes to fade or fail?
How can you tell if your vehicle is equipped with an antilock braking system (ABS)?
An antilock braking system (ABS)
Which of the following will be true about your brake function if your antilock braking system (ABS) fails?
The purpose of a supply pressure gauge is
When should you drain your air tanks?
If the air tanks are not drained,
Under which conditions are front wheel brakes good to use?
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
Today, you will have the opportunity to answer 30 multiple-choice questions about air brakes in order to prepare for the DMV commercial driver exam on air brakes, and to become a safer driver.
These questions have been carefully written based on real DMV questions as well as information from the Arkansas Commercial Driver License Manual and applicable Arkansas laws. Along with each question, you will find a hint and explanation. It is recommended that you read each explanation as this will help you have a better understanding of the material discussed to prepare for the real DMV exam.
Good luck today, on your air brake test, and keep driving safely!