This is the second of four different General Knowledge CDL practice tests that we offer. Please take all of our free practice tests to ensure that you score well on the big day! General Knowledge questions cover common topics involving the proper operation of a commercial vehicle and safe driving in general.
Our free General Knowledge 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!
General Knowledge CDL Practice Test 2
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Question 1 of 10
How does tire pressure affect hydroplaning?CorrectIncorrect
Question 2 of 10
When speed is doubled, how much more stopping distance to you need?CorrectIncorrect
Question 3 of 10
When driving at night the best rule for determining the speed at which you should drive is __________.CorrectIncorrect
Question 4 of 10
How much distance should you try to keep in front of you when driving over 40 mph?CorrectIncorrect
Question 5 of 10
If you are being tailgated you should __________.CorrectIncorrect
Question 6 of 10
You must have a CDL to operate a commercial vehicle with a gross vehicle weight rating of more than __________ pounds.CorrectIncorrect
Question 7 of 10
You must have a CDL to operate a commercial vehicle with a combination of trailer and towning unit which exceeds 26,000 pounds with the trailer exceeding __________ pounds.CorrectIncorrect
Question 8 of 10
You must have a CDL to operate a commercial vehicle designed to transport more than _____ persons (including the driver).CorrectIncorrect
Question 9 of 10
Which of the following is not considered a commercial motor vehicle?CorrectIncorrect
Question 10 of 10
You must be at least _____ years old to haul hazardous materials.CorrectIncorrect