Free Hawaii CDL Permit Practice Test: General Knowledge 2025

List of questions (classic view)

1. What is the minimum age to receive a CDL in the state of Hawaii?
2. Which of the following statements about retarders is correct?
3. If you double your speed, how much more distance will it take to stop?
4. When backing, it is important to use a helper
5. What is the gross vehicle weight (GVW)?
6. You don't want to be a distracted driver, so you
7. To transport cargo safely, which of these are you NOT responsible for?
8. While driving at night, which lights should you use as often as you can?
9. Total stopping distance equals
10. Always try to back toward the driver's side because
11. What might happen if you swing wide to the left before you turn right?
12. Letting the air out of hot tires
13. Which of these is NOT part of the basic method of shifting up?
14. How can you start moving without rolling backward?
15. An anti-lock braking system (ABS) will
16. Which of the following is a key steering component?
17. Which of the following should you NOT do if you experience a tire failure?
18. Which of the following is NOT something you should check during a trip?
19. What will help a drunk sober up?
20. How many hours of sleep per night does the average person need to avoid accumulating sleep debt?
21. If you are traveling at 55 mph in a 30-foot vehicle, you should leave ___ seconds of following distance.
22. While you are on the road, how often must you stop to check your cargo?
23. Where should you place your warning devices if you must stop on a one-way road or divided highway?
24. You should put the starter switch key into your pocket while you perform the pre-trip inspection because
25. Starting the engine and inspecting the cab involves each of these tasks, except
26. If you are confronted by an aggressive driver, you should
27. What is the best way to figure out how many seconds of following distance you have?
28. If the engine is not overheated, is it completely safe to remove the radiator cap?
29. You should inspect wheel bearing seals for
30. How can you determine if your vehicle is equipped with an anti-lock braking system (ABS)?
31. On which of the following types of fires should you NOT use a B:C fire extinguisher?
32. Why should you cover cargo?
33. Hazardous materials placards are
34. For how long will you lose your CDL driving privileges if you are convicted of a second DUI offense?
35. In which of the following two situations should you downshift?
36. The minimum tread depth for front tires is
37. Before transporting a sealed load, you must check
38. Which of the following factors can influence the safe speed for going down a steep downgrade?
39. Do empty trucks have the best braking?
40. What can you do at an accident scene to help avoid another accident?
41. It has just reached freezing. Which of the following areas may be slippery?
42. What is the definition of a hazard?
43. To help you stay alert and safe while driving, you should
44. On wet roads, you should reduce your speed by
45. During your pre-trip test, when examining hoses with the instructor, you need to look for
46. How many tiedowns are required for a 20-foot load?
47. What is the most important hand signal that you and a helper should agree on?
48. Which is NOT one of the four skill areas that operating a commercial vehicle requires?
49. How long does it take for a typical tractor-trailer to clear a double railroad track?
50. Tire fires are commonly caused by