COURSE DESCRIPTION
Are you looking to get CDL General Knowledge Practice Test?
Here are a few sample questions from the CDL General Knowledge Test. Read over the material before taking the test to improve your chances of passing!
Once you have completed the quiz, the results and answers will be displayed.
You Can Skip Questions or Set Them For Review. When Setting For “REVIEW” Question Will Turn Yellow. Click On Question Chart Where Yellow To Go Back To Any Question At A Later Time.
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Question 1 of 41
1. Question
Which of the following is true of your stopping distance on wet roads?
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Question 2 of 41
2. Question
When you begin a trip, how many miles can you drive before you must stop and check your cargo?
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Question 3 of 41
3. Question
You should use the mirrors on your vehicle to
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Question 4 of 41
4. Question
Which of the following is true about using the correct gear on a downgrade when driving a newer truck?
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Question 5 of 41
5. Question
If you’re backing with a trailer and the trailer begins to drift, you should
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Question 6 of 41
6. Question
While signaling a turn, when should you cancel the signal?
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Question 7 of 41
7. Question
Which of these has a high center of gravity?
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Question 8 of 41
8. Question
The distance it takes for your vehicle to stop once your foot has pushed the brake is called
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Question 9 of 41
9. Question
When you’re loading cargo into a van, you should
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Question 10 of 41
10. Question
Which of these is a type of retarder?
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Question 11 of 41
11. Question
When a vehicle is driven around a turn and its rear wheels follow a different path than its front wheels, it’s called
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Question 12 of 41
12. Question
When driving a CMV, about how many seconds should you look ahead of your vehicle?
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Question 13 of 41
13. Question
If you’re driving a vehicle with a manual transmission, you should shift up when your vehicle’s tachometer
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Question 14 of 41
14. Question
About how many feet of light do low beams provide?
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Question 15 of 41
15. Question
In hot weather, you should check your tires every
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Question 16 of 41
16. Question
If your driving axle is underloaded, your
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Question 17 of 41
17. Question
When should you use snub braking?
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Question 18 of 41
18. Question
What is the best way to regain control of your vehicle if it hydroplanes?
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Question 19 of 41
19. Question
To test hydraulic brakes for a leak, pump the brake pedal 3 times and then apply firm pressure. Then hold for 5 seconds. How can you tell if there is a leak?
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Question 20 of 41
20. Question
If you see rust around wheel nuts, it may mean that the nuts are
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Question 21 of 41
21. Question
What should you do if a tire is too hot to touch?
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Question 22 of 41
22. Question
Which of the following safety equipment is optional?
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Question 23 of 41
23. Question
Which of the following can cause you to have a greater overhead clearance?
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Question 24 of 41
24. Question
Which is a sign that a parking brake is in need of repair?
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Question 25 of 41
25. Question
While inspecting your vehicle, what should you check for when you inspect wheel bearing seals?
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Question 26 of 41
26. Question
The total weight of the powered unit plus a trailer and its cargo is the
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Question 27 of 41
27. Question
What is the purpose of the suspension system?
LearningExpress Editors. CDL: Commercial Driver’s License Test Prep (Kindle Locations 1469-1470). Kindle Edition.
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Question 28 of 41
28. Question
When inspecting brakes, you should inspect brake drums for
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Question 29 of 41
29. Question
What is the minimum number of tie downs you can use to secure cargo loaded on a flatbed?
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Question 30 of 41
30. Question
What is black ice?
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Question 31 of 41
31. Question
When going down a hill you should always…
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Question 32 of 41
32. Question
You’re pulled over for weaving all over the lanes. If you refuse to take an alcolol sobriety test, you may be disqualified just as if you WERE driving under the influence(DUI). This is because…
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Question 33 of 41
33. Question
If you are asked to haul a placarded load and you do not have HAZMAT endorsements you should..
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Question 34 of 41
34. Question
When making an emergency stop on the highway…
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Question 35 of 41
35. Question
Concerning night driving, which statement is true?
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Question 36 of 41
36. Question
Overloading your trailer can result in the following EXCEPT…
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Question 37 of 41
37. Question
All drivers who need a CDL must take the …
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Question 38 of 41
38. Question
If you do not have a HAZMAT endorsement on your CDL, under what conditions may you legally haul hazardous materials?
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Question 39 of 41
39. Question
Upon conviction of a traffic violation you should notify your employer within 30 days if…
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Question 40 of 41
40. Question
If you are convicted of a traffic violation in a state other than the one that issued your CDL…
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Question 41 of 41
41. Question
Which of the following statements about alcohol is true…
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