New Mexico Air Brakes Practice Test
This is our New Mexico 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 | compressed gas |
B | oxygen and helium |
C | nitrogen and oxygen |
D | compressed air |
Question 2 |
A | is only 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 found on automobiles with hydraulic brakes. |
Question 3 |
A | To let you know how much water is in the air tank. |
B | To let you know how much diesel fuel is in the vehicle. |
C | None of these. |
D | To let you know how much oxygen is in the air tanks. |
Question 4 |
A | pressure valve, boots |
B | s-cam, shoes |
C | coil, boots |
D | valve spring, shoes |
Question 5 |
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 6 |
A | Before every trip. |
B | Every 1,000 miles. |
C | Once a week. |
D | Once a day. |
Question 7 |
A | pushing down on the brake pedal |
B | letting up on the brake pedal |
C | activating the emergency brake |
D | activating the parking brake |
Question 8 |
A | No. |
B | Yes. |
C | Only if they are disc brakes. |
D | Only if they are drum brakes. |
Question 9 |
A | service brake, emergency brake systems |
B | disc brake, emergency brake systems |
C | service brake, parking brake systems |
D | disc brake, parking brake systems |
Question 10 |
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 parking brake system, service brake system, and emergency brake system. |
D | The emergency brake system, parking brake system, and foundation brake system. |
Question 11 |
A | When the brakes are hot. |
B | When the combined weight of your truckload and vehicle exceeds five tons. |
C | When the air pressure is low. |
D | When the temperature is below freezing. |
Question 12 |
A | wedge |
B | disc |
C | s-cam drum |
D | shoe |
Question 13 |
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 14 |
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 15 |
A | specialized brakes only to be used during warm weather |
B | used for parking |
C | the spring that is attached to the brake pedal |
D | springs that press the brakes on to stop the vehicle if the air brakes leak out |
Question 16 |
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 17 |
A | Nothing will happen. |
B | Your brakes will instantly lock up. |
C | You will instantly lose braking power. |
D | You will still have some air pressure left in the air tanks. |
Question 18 |
A | Dust and water. |
B | Compressed air does not contain any of these substances. |
C | Water and compressor oil. |
D | Dust and compressor oil. |
Question 19 |
A | prevent them from freezing during cold temperatures. |
B | drain oil and moisture from the tank. |
C | prevent someone from moving the vehicle. |
D | completely empty air out of the tank. |
Question 20 |
A | air tank drains |
B | brake system |
C | hydraulic brakes |
D | storage tanks |
Question 21 |
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 pressure increases from 85 to 100 psi within 45 seconds. |
D | When the governor switch stops between 75 to 90 psi. |
Question 22 |
A | True |
B | False |
Question 23 |
A | two, sixty |
B | one, thirty |
C | three, sixty |
D | one, sixty |
Question 24 |
A | 125 |
B | 150 |
C | 200 |
D | 175 |
Question 25 |
A | governor. |
B | safety valve. |
C | air tank drain. |
D | application pressure gauge. |
← | 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 | 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 2 |
A | is only found on automobiles with hydraulic brakes. |
B | is only 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 | Every 1,000 miles. |
B | Once a day. |
C | Before every trip. |
D | Once a week. |
Question 4 |
A | No. |
B | Yes. |
C | Only if they are disc brakes. |
D | Only if they are drum brakes. |
Question 5 |
A | air tank drain. |
B | governor. |
C | application pressure gauge. |
D | safety valve. |
Question 6 |
A | air tank drains |
B | hydraulic brakes |
C | storage tanks |
D | brake system |
Question 7 |
A | service brake, emergency brake systems |
B | disc brake, emergency brake systems |
C | disc brake, parking brake systems |
D | service brake, parking brake systems |
Question 8 |
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 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 | 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 10 |
A | prevent them from freezing during cold temperatures. |
B | drain oil and moisture from the tank. |
C | prevent someone from moving the vehicle. |
D | completely empty air out of the tank. |
Question 11 |
A | located on either end of the vehicle's axles. |
B | used to hold the brake shoes and linings. |
C | all of these. |
D | bolted securely to the wheels |
Question 12 |
A | s-cam, shoes |
B | coil, boots |
C | pressure valve, boots |
D | valve spring, shoes |
Question 13 |
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 | To let you know how much diesel fuel is in the vehicle. |
D | None of these. |
Question 14 |
A | 150 |
B | 175 |
C | 125 |
D | 200 |
Question 15 |
A | You will still have some air pressure left in the air tanks. |
B | Your brakes will instantly lock up. |
C | You will instantly lose braking power. |
D | Nothing will happen. |
Question 16 |
A | three, sixty |
B | two, sixty |
C | one, thirty |
D | one, sixty |
Question 17 |
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 18 |
A | nitrogen and oxygen |
B | compressed gas |
C | compressed air |
D | oxygen and helium |
Question 19 |
A | s-cam drum |
B | wedge |
C | shoe |
D | disc |
Question 20 |
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 21 |
A | activating the emergency brake |
B | pushing down on the brake pedal |
C | letting up on the brake pedal |
D | activating the parking brake |
Question 22 |
A | True |
B | False |
Question 23 |
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 24 |
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 25 |
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. |
← | 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 New Mexico CDL Practice Test