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