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The air brakes endorsement applies to applicants who wish to drive a vehicle with air brakes in Class A, B, or C CDL. To drive a vehicle with air brakes, you must pass the air brake component of the Arkansas CDL knowledge test. The AR CDL air brakes test consists of 25 questions, and you'll need at least 20 correct answers to pass (80%). The test covers the information found in the air brakes section of the Arkansas CDL Manual. Take this AR CDL practice test now to prepare for the actual air brakes test!
1.
If your tires are hot, you should NOT:
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once the tires have cooled down, make another stop to check the tires.
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stop to let the tires cool down.
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let air out of the tires so the pressure goes back to normal.
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drive until you correct the cause of the overheating.
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2.
The trailer hand valve should:
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be used in driving.
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never be used to test the trailer brakes.
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never be used for parking.
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All of the above.
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3.
To check that spring brakes come on automatically, the first thing to do is to:
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turn off the engine, release the parking brake and time the air pressure drop.
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continue to step on and off the brake pedal until the air pressure falls to the manufacturer’s specification.
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release the parking brake, move the vehicle forward slowly, and apply the brakes firmly.
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All of the above.
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4.
Air tanks must be drained completely to:
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pump water and compressor oil into the tanks.
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remove all moisture and oil.
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put alcohol into the air system.
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remove all the air.
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5.
When is it safe to leave your vehicle unattended without applying the parking brakes or chocking the wheels?
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When you are conducting your pre-trip inspection.
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Only while you are taking a rest break.
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When the tank pressure falls to the "cut-in" pressure.
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Never.
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6.
In a dual-air system - with engine at operating RPM, the pressure should build from 85 to 100 psi within how many seconds?
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12
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60
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20
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45
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7.
Air tank drains:
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should not be used in wet weather.
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protect the tanks and the rest of the system from too much pressure.
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are used to remove water and oil from the air tanks.
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are used to move air to the brakes.
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8.
With a dual air brake system:
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each system shares the same lines and hoses.
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one system is the main braking system while the other is a back-up system.
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each system has its own air tanks, hoses and lines.
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each system shares air tanks.
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9.
You should always try to back toward the driver's side because:
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backing toward the left side is more dangerous.
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you can watch the rear of your vehicle out the side window.
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you can more easily correct any steering errors.
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None of the above.
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10.
Emergency brakes are:
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not required on doubles.
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not required on commercial vehicles with air brakes.
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not required on buses.
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required on all vehicles.
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Frequently Asked Questions
Here are the age requirements to obtain a driver's license in Arkansas:
- Instruction permit ? you need to be at least 14 years old.
- Learner’s license ? you need to be between 14 and 16 years old.
- Intermediate license ? you need to be between 16 and 18 years old. You can obtain an unrestricted class D license before turning 18 if:
- You have a minimum of 6 months of driving experience.
- You are an emancipated individual aged 17 and older.
- You have graduated aged 16 and older.
- You are married and aged 16 or older.
- You are military personnel aged 16 and older.
- Class D driver license? you need to be 18 or older.
Visit the Arkansas State Police official page to book your DMV written test. You can choose dates and times based on your preferences and the available options at various Arkansas DMV locations.
If you are under 18, you need:
- Original or certified copy of a birth certificate.
- Parent Affidavit signed by your parent in front of a notary or the examiner.
If you are over 18, you need two primary documents (or one primary and one secondary) and you can complete the affidavit by yourself.
Check the complete list of accepted documents before your appointment.
The DMV written test in Arkansas is offered in both English and Spanish. You can bring a dictionary with you, but an interpreter is not allowed. If you prefer an oral test, please contact the nearest DMV office to inquire about this option.
To prepare for the DMV written test, read the Arkansas Driver's Handbook. Pay attention to road signs, parallel parking, turning, passing a vehicle, yielding the right of way, etc. Verify your knowledge with our practice tests or sign up for Premium, which offers extra resources to get ready for your exam.
The Arkansas DMV written test consists of 25 questions about various aspects of road rules and safe driving practices. These questions are based on the official manual, so it's important to study it well to maximize your chances of passing the exam.
To pass the exam, you need a score of 80% or higher. You should get at least 20 questions right, and you're allowed to miss up to 5 questions out of the total 25. Stay focused and take the time to read the questions carefully.
Drivers between 14 and 16 years old:
- Must be accompanied by a licensed driver aged at least 21.
- Must wear seat belts.
- Are prohibited to use a cell phone, except for emergencies.
These restrictions continue until the applicant turns 16 and completes six months of restricted driving.
Drivers aged 16 to 18 with an intermediate license:
- Should not operate a vehicle with more than one unrelated minor passenger, unless accompanied by a licensed driver aged 21 or older, seated in the front.
- Cannot operate between 11:00 pm and 4:00 am unless accompanied by a licensed driver aged 21 or older. Exceptions include driving to and from school activities, church activities, work, or in emergencies.
In Arkansas, an instruction permit is valid for a period of two years and cannot be renewed. Use this time to practice driving before the road test and consider enrolling in a driver training course to enhance your skills and abilities.
If you fail your DMV written test, you must wait 5 days to make another attempt. Before trying again, carefully study the rules of the road and memorize the road signs.