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