Georgia Air Brakes Practice Test
This is our Georgia Air Brakes Practice Quiz and Practice Test compiled of 25 questions each. Each question is worth four points for a total of 100 possible points. A passing score is 80%.
The Air Brakes Practice Quiz reveals the correct answer during each question to help you study for the actual Air Brakes exam. The Air Brakes Practice Test doesn’t reveal the correct answers until the test is over.
The questions and answers are given in random order each time you retake the test. When you are finished testing, simply click on the “Get Results” button to see your test results. Clicking on the blue “List” button will reveal a list of all the questions you answered correctly and incorrectly. To take the test again, just refresh your browser window. It’s that easy.
Press the start button to begin your free Air Brakes Practice Quiz. Good luck!
Air Brakes CDL Practice Quiz
Question 1 |
A | is only found on automobiles with hydraulic brakes. |
B | applies and releases the vehicle's brakes using the brake pedal. |
C | is only on automobiles with hydraulic brakes. |
D | is known as an official vehicle inspection. |
Question 2 |
A | s-cam drum |
B | disc |
C | shoe |
D | wedge |
Question 3 |
A | Only if they are disc brakes. |
B | Only if they are drum brakes. |
C | No. |
D | Yes. |
Question 4 |
A | compressed gas |
B | nitrogen and oxygen |
C | oxygen and helium |
D | compressed air |
Question 5 |
A | When the compressor shuts off between 70 to 90 psi. |
B | When the governor switch stops between 75 to 90 psi. |
C | When pressure increases from 50 to 75 psi within three minutes. |
D | When pressure increases from 85 to 100 psi within 45 seconds. |
Question 6 |
A | Compressed air does not contain any of these substances. |
B | Dust and compressor oil. |
C | Dust and water. |
D | Water and compressor oil. |
Question 7 |
A | To let you know how much oxygen is in the air tanks. |
B | None of these. |
C | To let you know how much diesel fuel is in the vehicle. |
D | To let you know how much water is in the air tank. |
Question 8 |
A | specialized brakes only to be used during warm weather |
B | the spring that is attached to the brake pedal |
C | used for parking |
D | springs that press the brakes on to stop the vehicle if the air brakes leak out |
Question 9 |
A | When the temperature is below freezing. |
B | When the combined weight of your truckload and vehicle exceeds five tons. |
C | When the air pressure is low. |
D | When the brakes are hot. |
Question 10 |
A | letting up on the brake pedal |
B | pushing down on the brake pedal |
C | activating the emergency brake |
D | activating the parking brake |
Question 11 |
A | bolted securely to the wheels. |
B | all of these. |
C | located on either end of the vehicle's axles. |
D | used to hold the brake shoes and linings. |
Question 12 |
A | Your brakes will instantly lock up. |
B | You will still have some air pressure left in the air tanks. |
C | You will instantly lose braking power. |
D | Nothing will happen. |
Question 13 |
A | service brake, emergency brake systems |
B | service brake, parking brake systems |
C | disc brake, emergency brake systems |
D | disc brake, parking brake systems |
Question 14 |
A | pressure valve, boots |
B | coil, boots |
C | valve spring, shoes |
D | s-cam, shoes |
Question 15 |
A | 150 |
B | 175 |
C | 200 |
D | 125 |
Question 16 |
A | The disc brake system, drum brake system, and foundation brake system. |
B | The parking brake system, service brake system, and emergency brake system. |
C | The service brake system, manual brake system, and disc brake system. |
D | The emergency brake system, parking brake system, and foundation brake system. |
Question 17 |
A | False |
B | True |
Question 18 |
A | hydraulic brakes |
B | storage tanks |
C | air tank drains |
D | brake system |
Question 19 |
A | Something is malfunctioning, and you should have the vehicle checked by a mechanic. |
B | All of these. |
C | The air pressure has exceeded 150 psi. |
D | There is way too much air in the air compressor. |
Question 20 |
A | reduce the risk of ice in the air brake valves |
B | remove oil from the air lines |
C | remove fuel from the air lines |
D | evaporate any alcohol, which can damage the brake system |
Question 21 |
A | safety valve. |
B | air tank drain. |
C | governor. |
D | application pressure gauge. |
Question 22 |
A | Check your air pressure gauge and drive at highway speeds. |
B | Pump the brake pedal hard until you come to a stop. |
C | Stay calm and wait for the air brakes to come on automatically. |
D | Safely bring the automobile to a stop while you still have control over the brakes. |
Question 23 |
A | three, sixty |
B | one, sixty |
C | one, thirty |
D | two, sixty |
Question 24 |
A | prevent them from freezing during cold temperatures. |
B | completely empty air out of the tank. |
C | drain oil and moisture from the tank. |
D | prevent someone from moving the vehicle. |
Question 25 |
A | Once a day. |
B | Before every trip. |
C | Every 1,000 miles. |
D | Once a week. |
← | List | → |
1 | 2 | 3 | 4 | 5 |
6 | 7 | 8 | 9 | 10 |
11 | 12 | 13 | 14 | 15 |
16 | 17 | 18 | 19 | 20 |
21 | 22 | 23 | 24 | 25 |
End |
Remember, the Air Brakes Practice Test doesn’t reveal the correct answers until the test is over. The questions and answers are given in random order each time you retake the test. When you are finished testing, simply click on the “Get Results” button to see your test results. Clicking on the blue “List” button will reveal a list of all the questions you answered correctly and incorrectly. To take the test again, just refresh your browser window.
Press the start button to begin your free Air Brakes Practice Test. Good luck!
Air Brakes CDL Practice Test
Question 1 |
A | True |
B | False |
Question 2 |
A | bolted securely to the wheels |
B | used to hold the brake shoes and linings. |
C | all of these. |
D | located on either end of the vehicle's axles. |
Question 3 |
A | is only found on automobiles with hydraulic brakes. |
B | is known as an official vehicle inspection. |
C | is only on automobiles with hydraulic brakes. |
D | applies and releases the vehicle's brakes using the brake pedal. |
Question 4 |
A | Nothing will happen. |
B | You will still have some air pressure left in the air tanks. |
C | Your brakes will instantly lock up. |
D | You will instantly lose braking power. |
Question 5 |
A | When pressure increases from 50 to 75 psi within three minutes. |
B | When the governor switch stops between 75 to 90 psi. |
C | When pressure increases from 85 to 100 psi within 45 seconds. |
D | When the compressor shuts off between 70 to 90 psi. |
Question 6 |
A | disc |
B | shoe |
C | s-cam drum |
D | wedge |
Question 7 |
A | All of these. |
B | The air pressure has exceeded 150 psi. |
C | There is way too much air in the air compressor. |
D | Something is malfunctioning, and you should have the vehicle checked by a mechanic. |
Question 8 |
A | specialized brakes only to be used during warm weather |
B | the spring that is attached to the brake pedal |
C | springs that press the brakes on to stop the vehicle if the air brakes leak out |
D | used for parking |
Question 9 |
A | Pump the brake pedal hard until you come to a stop. |
B | Stay calm and wait for the air brakes to come on automatically. |
C | Check your air pressure gauge and drive at highway speeds. |
D | Safely bring the automobile to a stop while you still have control over the brakes. |
Question 10 |
A | No. |
B | Only if they are drum brakes. |
C | Yes. |
D | Only if they are disc brakes. |
Question 11 |
A | The parking brake system, service brake system, and emergency brake system. |
B | The disc brake system, drum brake system, and foundation brake system. |
C | The service brake system, manual brake system, and disc brake system. |
D | The emergency brake system, parking brake system, and foundation brake system. |
Question 12 |
A | 175 |
B | 125 |
C | 200 |
D | 150 |
Question 13 |
A | governor. |
B | safety valve. |
C | application pressure gauge. |
D | air tank drain. |
Question 14 |
A | valve spring, shoes |
B | pressure valve, boots |
C | coil, boots |
D | s-cam, shoes |
Question 15 |
A | Before every trip. |
B | Every 1,000 miles. |
C | Once a week. |
D | Once a day. |
Question 16 |
A | letting up on the brake pedal |
B | activating the parking brake |
C | activating the emergency brake |
D | pushing down on the brake pedal |
Question 17 |
A | Dust and water. |
B | Water and compressor oil. |
C | Compressed air does not contain any of these substances. |
D | Dust and compressor oil. |
Question 18 |
A | To let you know how much diesel fuel is in the vehicle. |
B | To let you know how much water is in the air tank. |
C | To let you know how much oxygen is in the air tanks. |
D | None of these. |
Question 19 |
A | one, thirty |
B | two, sixty |
C | one, sixty |
D | three, sixty |
Question 20 |
A | completely empty air out of the tank. |
B | prevent someone from moving the vehicle. |
C | prevent them from freezing during cold temperatures. |
D | drain oil and moisture from the tank. |
Question 21 |
A | compressed air |
B | oxygen and helium |
C | compressed gas |
D | nitrogen and oxygen |
Question 22 |
A | disc brake, emergency brake systems |
B | disc brake, parking brake systems |
C | service brake, emergency brake systems |
D | service brake, parking brake systems |
Question 23 |
A | When the temperature is below freezing. |
B | When the combined weight of your truckload and vehicle exceeds five tons. |
C | When the air pressure is low. |
D | When the brakes are hot. |
Question 24 |
A | air tank drains |
B | brake system |
C | storage tanks |
D | hydraulic brakes |
Question 25 |
A | evaporate any alcohol, which can damage the brake system |
B | remove fuel from the air lines |
C | remove oil from the air lines |
D | reduce the risk of ice in the air brake valves |
← | List | → |
1 | 2 | 3 | 4 | 5 |
6 | 7 | 8 | 9 | 10 |
11 | 12 | 13 | 14 | 15 |
16 | 17 | 18 | 19 | 20 |
21 | 22 | 23 | 24 | 25 |
End |
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