This is the fourth of six different Driving Safely 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 Driving Safely CDL practice test #4 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!
Driving Safely CDL Practice Test 4
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Question 1 of 10
__________ is defined as the distance your vehicle travels from the time your eyes see a hazard until your brain recognizes it.CorrectIncorrect
Question 2 of 10
__________ is defined as the distance traveled from the time your brain tells your foot to move from the accelerator until your foot is actually pushing the brake pedal.CorrectIncorrect
Question 3 of 10
__________ is defined as the distance it takes to stop once the brakes are applied.CorrectIncorrect
Question 4 of 10
__________ is defined as perception distance + reaction distance + braking distance.CorrectIncorrect
Question 5 of 10
The heavier a vehicle is, the __________ the brakes must do to stop it.CorrectIncorrect
Question 6 of 10
When the road is slippery, it will take longer to stop and it will be __________ to turn without skidding.CorrectIncorrect
Question 7 of 10
The best rule of thumb is to reduce speed by about __________ on a wet road.CorrectIncorrect
Question 8 of 10
In order to steer and brake you must have __________.CorrectIncorrect
Question 9 of 10
On packed snow you should reduce speed by __________.CorrectIncorrect
Question 10 of 10
If the road is icy you should reduce speed __________.CorrectIncorrect