Utah Air Brakes Practice Test
This is our Utah 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 | letting up on the brake pedal |
B | pushing down on the brake pedal |
C | activating the emergency brake |
D | activating the parking brake |
Question 2 |
A | specialized brakes only to be used during warm weather |
B | used for parking |
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 3 |
A | False |
B | True |
Question 4 |
A | s-cam, shoes |
B | valve spring, shoes |
C | pressure valve, boots |
D | coil, boots |
Question 5 |
A | remove fuel from the air lines |
B | remove oil from the air lines |
C | reduce the risk of ice in the air brake valves |
D | evaporate any alcohol, which can damage the brake system |
Question 6 |
A | all of these. |
B | bolted securely to the wheels. |
C | located on either end of the vehicle's axles. |
D | used to hold the brake shoes and linings. |
Question 7 |
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 8 |
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 disc brake system, drum brake system, and foundation brake system. |
D | The emergency brake system, parking brake system, and foundation brake system. |
Question 9 |
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 10 |
A | disc brake, parking brake systems |
B | service brake, parking brake systems |
C | service brake, emergency brake systems |
D | disc brake, emergency brake systems |
Question 11 |
A | safety valve. |
B | air tank drain. |
C | application pressure gauge. |
D | governor. |
Question 12 |
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 | Stay calm and wait for the air brakes to come on automatically. |
D | Check your air pressure gauge and drive at highway speeds. |
Question 13 |
A | compressed gas |
B | nitrogen and oxygen |
C | oxygen and helium |
D | compressed air |
Question 14 |
A | When the compressor shuts off between 70 to 90 psi. |
B | When pressure increases from 50 to 75 psi within three minutes. |
C | When pressure increases from 85 to 100 psi within 45 seconds. |
D | When the governor switch stops between 75 to 90 psi. |
Question 15 |
A | Dust and water. |
B | Dust and compressor oil. |
C | Water and compressor oil. |
D | Compressed air does not contain any of these substances. |
Question 16 |
A | Nothing will happen. |
B | You will instantly lose braking power. |
C | Your brakes will instantly lock up. |
D | You will still have some air pressure left in the air tanks. |
Question 17 |
A | one, thirty |
B | one, sixty |
C | three, sixty |
D | two, sixty |
Question 18 |
A | 175 |
B | 125 |
C | 200 |
D | 150 |
Question 19 |
A | Once a day. |
B | Once a week. |
C | Before every trip. |
D | Every 1,000 miles. |
Question 20 |
A | s-cam drum |
B | disc |
C | shoe |
D | wedge |
Question 21 |
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 22 |
A | Yes. |
B | No. |
C | Only if they are drum brakes. |
D | Only if they are disc brakes. |
Question 23 |
A | is known as an official vehicle inspection. |
B | applies and releases the vehicle's brakes using the brake pedal. |
C | is only on automobiles with hydraulic brakes. |
D | is only found on automobiles with hydraulic brakes. |
Question 24 |
A | air tank drains |
B | hydraulic brakes |
C | brake system |
D | storage tanks |
Question 25 |
A | There is way too much air in the air compressor. |
B | All of these. |
C | The air pressure has exceeded 150 psi. |
D | Something is malfunctioning, and you should have the vehicle checked by a mechanic. |
← | 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 | 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 2 |
A | is only on automobiles with hydraulic brakes. |
B | is only found on automobiles with hydraulic brakes. |
C | applies and releases the vehicle's brakes using the brake pedal. |
D | is known as an official vehicle inspection. |
Question 3 |
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 4 |
A | s-cam drum |
B | disc |
C | wedge |
D | shoe |
Question 5 |
A | air tank drains |
B | hydraulic brakes |
C | brake system |
D | storage tanks |
Question 6 |
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 7 |
A | three, sixty |
B | two, sixty |
C | one, thirty |
D | one, sixty |
Question 8 |
A | used to hold the brake shoes and linings. |
B | all of these. |
C | located on either end of the vehicle's axles. |
D | bolted securely to the wheels |
Question 9 |
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 10 |
A | remove fuel from the air lines |
B | reduce the risk of ice in the air brake valves |
C | evaporate any alcohol, which can damage the brake system |
D | remove oil from the air lines |
Question 11 |
A | oxygen and helium |
B | nitrogen and oxygen |
C | compressed air |
D | compressed gas |
Question 12 |
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 13 |
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 14 |
A | Stay calm and wait for the air brakes to come on automatically. |
B | Check your air pressure gauge and drive at highway speeds. |
C | Safely bring the automobile to a stop while you still have control over the brakes. |
D | Pump the brake pedal hard until you come to a stop. |
Question 15 |
A | application pressure gauge. |
B | safety valve. |
C | air tank drain. |
D | governor. |
Question 16 |
A | pushing down on the brake pedal |
B | activating the parking brake |
C | letting up on the brake pedal |
D | activating the emergency brake |
Question 17 |
A | Only if they are drum brakes. |
B | Yes. |
C | Only if they are disc brakes. |
D | No. |
Question 18 |
A | s-cam, shoes |
B | valve spring, shoes |
C | pressure valve, boots |
D | coil, boots |
Question 19 |
A | 150 |
B | 125 |
C | 175 |
D | 200 |
Question 20 |
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 21 |
A | Every 1,000 miles. |
B | Once a day. |
C | Once a week. |
D | Before every trip. |
Question 22 |
A | The air pressure has exceeded 150 psi. |
B | There is way too much air in the air compressor. |
C | Something is malfunctioning, and you should have the vehicle checked by a mechanic. |
D | All of these. |
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 | 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 | True |
B | False |
← | 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 Utah CDL Practice Test