This is the fifth of our seven Air Brakes CDL practice tests. Please take all of the practice tests to increase your chance of doing well on the actual test!
Our free Air Brakes CDL practice test contains 10 questions. There is no time limit on the test. You must answer every question.
You’re welcome to retake this test as many times as you’d like. If you want to improve your score or just need more practice, click the ‘Restart Quiz’ button at the end of the test. The questions will be displayed 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 5
0 of 10 questions completed
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:
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)
Question 1 of 10
For combination vehicles, the maximum air that should be released by the brakes is __________.CorrectIncorrect
Question 2 of 10
On a single vehicle, what is the maximum acceptable air leakage when the brakes are released?CorrectIncorrect
Question 3 of 10
For single vehicles, after applying the brakes fully the maximum air loss in one minute should be __________.CorrectIncorrect
Question 4 of 10
For combination vehicles, after applying the brakes fully the maximum air loss in one minute should be __________.CorrectIncorrect
Question 5 of 10
When should the air governor cut out the air compressor?CorrectIncorrect
Question 6 of 10
When making a normal stop, when should you push in the clutch?CorrectIncorrect
Question 7 of 10
When making a sudden stop you should brake so that you __________.CorrectIncorrect
Question 8 of 10
What is another name for controlled braking?CorrectIncorrect
Question 9 of 10
Stab braking is __________.CorrectIncorrect
Question 10 of 10
Air braking take more time than hydraulic braking because __________.CorrectIncorrect