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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 Georgia CDL knowledge test. The GA 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 Georgia CDL Manual. Take this GA CDL practice test now to prepare for the actual air brakes test!
1. A driver distraction is anything that takes your attention away from driving, such as:
adjusting the radio.
All of the above.
2. In air-operated disc brakes, the pressure of the ______ on the ______ turns a "power screw".
brake chamber; slack adjuster
brake camshaft; tie rod
slack adjuster; tie rod
slack adjuster; cam roller
3. Air brakes:
can improve fuel efficiency.
should be used only when driving on wet roads.
are an effective way to stop large and heavy vehicles.
are prohibited on larger vehicles.
4. Too little weight on the driving axles can cause:
longer stopping distances.
mechanical damage.
poor traction.
poor visibility.
5. Under a pressurized system, the radiator cap:
should be removed when the coolant is hot.
should never be removed until the system has cooled.
should always be cool.
should never be hot.
6. When the spring brakes are on, you should:
not push the brake pedal down.
pump the brakes.
exceed the posted speed limit.
press the accelerator.
7. The use of air brakes on a steep downgrade is only a supplement to:
the use of the "controlled braking" method.
the use of the parking brakes.
the use of the spring brakes.
the braking effect of the engine.
8. If your trucks has a high center of gravity, which of the following is true for curves?
Reduce your speed to a crawl.
You should travel at the posted speed limit.
You should slow down, as your truck can roll over at the posted speed limit for the curve.
None of the above.
9. To avoid becoming a distracted driver you should:
eat and drink while you drive.
not turn off all communication devices.
adjust all vehicle controls and mirrors while driving.
not engage in complex conversations with others.
10. The most common foundation brakes found on vehicles with air brakes are the:
disc brakes.
parking brakes.
S-cam brakes.
wedge brakes.
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GA CDL Air Brakes Test

Number of questions: 25
Correct answers to pass:20
Passing score:80%
Number of questions: 25
Correct answers to pass:20
Passing score:80%
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