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