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