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 | bolted securely to the wheels. |
B | all of these. |
C | used to hold the brake shoes and linings. |
D | located on either end of the vehicle's axles. |
Question 2 |
A | None of these. |
B | To let you know how much water is in the air tank. |
C | To let you know how much diesel fuel is in the vehicle. |
D | To let you know how much oxygen is in the air tanks. |
Question 3 |
A | Safely bring the automobile to a stop while you still have control over the brakes. |
B | Pump the brake pedal hard until you come to a stop. |
C | Check your air pressure gauge and drive at highway speeds. |
D | Stay calm and wait for the air brakes to come on automatically. |
Question 4 |
A | Yes. |
B | No. |
C | Only if they are drum brakes. |
D | Only if they are disc brakes. |
Question 5 |
A | When pressure increases from 85 to 100 psi within 45 seconds. |
B | When the governor switch stops between 75 to 90 psi. |
C | When the compressor shuts off between 70 to 90 psi. |
D | When pressure increases from 50 to 75 psi within three minutes. |
Question 6 |
A | wedge |
B | shoe |
C | s-cam drum |
D | disc |
Question 7 |
A | reduce the risk of ice in the air brake valves |
B | remove fuel from the air lines |
C | remove oil from the air lines |
D | evaporate any alcohol, which can damage the brake system |
Question 8 |
A | Once a week. |
B | Every 1,000 miles. |
C | Before every trip. |
D | Once a day. |
Question 9 |
A | Water and compressor oil. |
B | Dust and compressor oil. |
C | Dust and water. |
D | Compressed air does not contain any of these substances. |
Question 10 |
A | valve spring, shoes |
B | coil, boots |
C | s-cam, shoes |
D | pressure valve, boots |
Question 11 |
A | specialized brakes only to be used during warm weather |
B | springs that press the brakes on to stop the vehicle if the air brakes leak out |
C | the spring that is attached to the brake pedal |
D | used for parking |
Question 12 |
A | False |
B | True |
Question 13 |
A | Nothing will happen. |
B | Your brakes will instantly lock up. |
C | You will still have some air pressure left in the air tanks. |
D | You will instantly lose braking power. |
Question 14 |
A | There is way too much air in the air compressor. |
B | The air pressure has exceeded 150 psi. |
C | All of these. |
D | Something is malfunctioning, and you should have the vehicle checked by a mechanic. |
Question 15 |
A | letting up on the brake pedal |
B | activating the emergency brake |
C | pushing down on the brake pedal |
D | activating the parking brake |
Question 16 |
A | When the brakes are hot. |
B | When the combined weight of your truckload and vehicle exceeds five tons. |
C | When the temperature is below freezing. |
D | When the air pressure is low. |
Question 17 |
A | applies and releases the vehicle's brakes using the brake pedal. |
B | is only on automobiles with hydraulic brakes. |
C | is only found on automobiles with hydraulic brakes. |
D | is known as an official vehicle inspection. |
Question 18 |
A | storage tanks |
B | hydraulic brakes |
C | brake system |
D | air tank drains |
Question 19 |
A | air tank drain. |
B | application pressure gauge. |
C | safety valve. |
D | governor. |
Question 20 |
A | disc brake, parking brake systems |
B | service brake, emergency brake systems |
C | disc brake, emergency brake systems |
D | service brake, parking brake systems |
Question 21 |
A | completely empty air out of the tank. |
B | drain oil and moisture from the tank. |
C | prevent someone from moving the vehicle. |
D | prevent them from freezing during cold temperatures. |
Question 22 |
A | 125 |
B | 200 |
C | 150 |
D | 175 |
Question 23 |
A | compressed air |
B | compressed gas |
C | nitrogen and oxygen |
D | oxygen and helium |
Question 24 |
A | The disc brake system, drum brake system, and foundation brake system. |
B | The service brake system, manual brake system, and disc brake system. |
C | The emergency brake system, parking brake system, and foundation brake system. |
D | The parking brake system, service brake system, and emergency brake system. |
Question 25 |
A | three, sixty |
B | one, sixty |
C | two, sixty |
D | one, thirty |
← | 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 | reduce the risk of ice in the air brake valves |
B | remove oil from the air lines |
C | evaporate any alcohol, which can damage the brake system |
D | remove fuel from the air lines |
Question 2 |
A | wedge |
B | disc |
C | s-cam drum |
D | shoe |
Question 3 |
A | compressed gas |
B | nitrogen and oxygen |
C | compressed air |
D | oxygen and helium |
Question 4 |
A | Before every trip. |
B | Every 1,000 miles. |
C | Once a day. |
D | Once a week. |
Question 5 |
A | is only found on automobiles with hydraulic brakes. |
B | applies and releases the vehicle's brakes using the brake pedal. |
C | is known as an official vehicle inspection. |
D | is only on automobiles with hydraulic brakes. |
Question 6 |
A | located on either end of the vehicle's axles. |
B | bolted securely to the wheels |
C | all of these. |
D | used to hold the brake shoes and linings. |
Question 7 |
A | When the combined weight of your truckload and vehicle exceeds five tons. |
B | When the brakes are hot. |
C | When the temperature is below freezing. |
D | When the air pressure is low. |
Question 8 |
A | The service brake system, manual brake system, and disc brake system. |
B | The disc brake system, drum brake system, and foundation brake system. |
C | The emergency brake system, parking brake system, and foundation brake system. |
D | The parking brake system, service brake system, and emergency brake system. |
Question 9 |
A | three, sixty |
B | two, sixty |
C | one, thirty |
D | one, sixty |
Question 10 |
A | hydraulic brakes |
B | brake system |
C | air tank drains |
D | storage tanks |
Question 11 |
A | disc brake, parking brake systems |
B | service brake, parking brake systems |
C | disc brake, emergency brake systems |
D | service brake, emergency brake systems |
Question 12 |
A | All of these. |
B | Something is malfunctioning, and you should have the vehicle checked by a mechanic. |
C | The air pressure has exceeded 150 psi. |
D | There is way too much air in the air compressor. |
Question 13 |
A | activating the emergency brake |
B | letting up on the brake pedal |
C | activating the parking brake |
D | pushing down on the brake pedal |
Question 14 |
A | Water and compressor oil. |
B | Dust and water. |
C | Dust and compressor oil. |
D | Compressed air does not contain any of these substances. |
Question 15 |
A | Yes. |
B | No. |
C | Only if they are drum brakes. |
D | Only if they are disc brakes. |
Question 16 |
A | 175 |
B | 200 |
C | 125 |
D | 150 |
Question 17 |
A | air tank drain. |
B | governor. |
C | application pressure gauge. |
D | safety valve. |
Question 18 |
A | Stay calm and wait for the air brakes to come on automatically. |
B | Pump the brake pedal hard until you come to a stop. |
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 19 |
A | When the compressor shuts off between 70 to 90 psi. |
B | When pressure increases from 85 to 100 psi within 45 seconds. |
C | When the governor switch stops between 75 to 90 psi. |
D | When pressure increases from 50 to 75 psi within three minutes. |
Question 20 |
A | springs that press the brakes on to stop the vehicle if the air brakes leak out |
B | specialized brakes only to be used during warm weather |
C | the spring that is attached to the brake pedal |
D | used for parking |
Question 21 |
A | coil, boots |
B | valve spring, shoes |
C | pressure valve, boots |
D | s-cam, shoes |
Question 22 |
A | prevent them from freezing during cold temperatures. |
B | completely empty air out of the tank. |
C | prevent someone from moving the vehicle. |
D | drain oil and moisture from the tank. |
Question 23 |
A | To let you know how much oxygen is in the air tanks. |
B | To let you know how much water is in the air tank. |
C | None of these. |
D | To let you know how much diesel fuel is in the vehicle. |
Question 24 |
A | True |
B | False |
Question 25 |
A | You will instantly lose braking power. |
B | Nothing will happen. |
C | You will still have some air pressure left in the air tanks. |
D | Your brakes will instantly lock up. |
← | 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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