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