This is the second of seven different Air Brakes CDL practice tests that we offer. Please take all of our free practice tests to ensure that you score well on the big day! Air Brakes are complicated and require an extensive knowledge of your truck!
Our free Air Brakes CDL practice test #2 contains 10 questions. You may not skip any of the questions. There is no time limit on the test. For maximum practice, we highly recommend taking each of our free CDL practice tests at least once.
Our CDL practice test database contains hundreds of questions. If you need more practice or want to improve your score, click the ‘Restart Quiz’ button at the end of the test. The questions will be presented in a different order but they’ll be the same questions you already answered. The second time around you should know the answers!
Feel free to retake this test as many times as you’d like. Once you receive your score there will be a button to View Questions. Wrong answers will be highlighted in red. The correct answer will be in a green box outlined in green.
Being the driver of a commercial vehicle is a huge responsibility. The written CDL test isn’t that bad. The actual driving test is rigorous. Inspectors do not want anyone on the road who isn’t capable of handling a big rig. Make sure you practice your driving and especially BACKING UP.
Congratulations on your decision to become a commercial driver!
Air Brakes CDL Practice Test 2
Quiz Summary
0 of 10 questions completed
Questions:
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
Information
You have already completed the quiz before. Hence you can not start it again.
Quiz is loading…
You must sign in or sign up to start the quiz.
You must first complete the following:
Results
Results
0 of 10 questions answered correctly
Time has elapsed
You have reached 0 of 0 point(s), (0)
Earned Point(s): 0 of 0, (0)
0 Essay(s) Pending (Possible Point(s): 0)
Categories
- Not categorized 0%
- 1
- 2
- 3
- 4
- 5
- 6
- 7
- 8
- 9
- 10
- Answered
- Review
-
Question 1 of 10
1. Question
The air compressor connects to the engine with __________.
CorrectIncorrect -
Question 2 of 10
2. Question
The air compressor governor controls __________.
CorrectIncorrect -
Question 3 of 10
3. Question
Where is compressed air stored?
CorrectIncorrect -
Question 4 of 10
4. Question
The governor stops pumping air when it reaches the cut out level, which is normally around __________.
CorrectIncorrect -
Question 5 of 10
5. Question
The governor allows air to resume pumping when it reaches the cut-in level, which is normally around __________.
CorrectIncorrect -
Question 6 of 10
6. Question
An air tank drain value is used to remove __________.
CorrectIncorrect -
Question 7 of 10
7. Question
An alcohol evaporator helps __________.
CorrectIncorrect -
Question 8 of 10
8. Question
How often should the air tank be drained?
CorrectIncorrect -
Question 9 of 10
9. Question
The safety valve on the air compressor tank is set to open at __________.
CorrectIncorrect -
Question 10 of 10
10. Question
If the safety value releases air, which of the following probably happened?
CorrectIncorrect