CDL Practice Test


This site is available to take practice questions to prepare for the Hawaii CDL test. The tests are free and you are able to take them as many times as you would like as you look to obtain a Hawaii CDL. You will be presented with 40 questions and you must answer 34 questions correctly to pass. There is a 50-minute time limit.  You may not go back once you answer a question. Click the "Start Test" button below to begin. 

1 / 40

Which contains more alcohol: a 12-ounce glass of 5% beer, a 5-ounce glass of 12% wine or a 1 1/2-ounce shot of 80 proof liquor?

2 / 40

Which trailer is most likely to turn over when you make a sudden turn while pulling doubles?

3 / 40

What are spring brakes?

4 / 40

Select the statement that is not part of the air-brake system:

5 / 40

When is it acceptable for non-hazardous materials to be described by hazard class words or identification numbers?

6 / 40

It is important to know the outage required for the liquids you carry because:

7 / 40

Which of the following will confirm that you are driving with anti-lock brakes?

8 / 40

If students must cross the street, when they get off the bus, which statement is true?

9 / 40

This object should not have any missing parts, be fully raised, the crank handle is secured, and that there is no damage to the frame.

10 / 40

Why should you not use the trailer hand brake to straighten out a jack knifing trailer?

11 / 40

If hazardous material is spilling from your vehicle, do not move your vehicle:

12 / 40

Which of the following types of emergency equipment must you have on your bus?

13 / 40

What might happen if you swing wide to the left before you turn right?

14 / 40

How should the hand valve be used?

15 / 40

You must not allow riders to stand:

16 / 40

There must be a hazardous materials identification number on the ______ and on the ______.

17 / 40

This item should be firmly attached the to frame, be solid, and clear of objects:

18 / 40

While driving at night, which lights should you use as often as you can?

19 / 40

A driver of a tank vehicle should take curves, off ramps, and on ramps at a speed lower than the posted speed limit.

20 / 40

The method used to make sure the spring brakes will come on automatically is to:

21 / 40

By law, the warning lights must only be used when approaching a:

22 / 40

How much space should there be between the lower and upper fifth wheel?

23 / 40

Which of the following statements about loading and unloading cargo tanks is false?

24 / 40

Which is more likely to tip over due to the crack the whip effect?

25 / 40

How often should air tanks be drained?

26 / 40

You must carry a gas mask with you when transporting:

27 / 40

What keeps air in the tanks should the air compressor develop a leak?

28 / 40

Which of the following statements is FALSE:

29 / 40

The transport index of a radioactive material:

30 / 40

The safety catch for the fifth wheel locking lever must be ____ for a coupling to be complete.

31 / 40

This object is required to be checked for damage, that it's secure, and strong enough to handle any cargo.

32 / 40

While completing the 3rd component of the air brake check of a combination vehicle, at what psi should the tracor protection valve and parking brake valve should pop out?

33 / 40

Surge affects the handling of a tanker by:

34 / 40

In the event of an accident you should remember to do the following EXCEPT:

35 / 40

The best way to go into a curve is to decrease your speed going into the curve and then ____going through it.

36 / 40

What are the 3 methods for securing a second trailer before coupling?

37 / 40

The golden rule for school buses when approaching and crossing railroad tracks is:

38 / 40

When a substance in the materials table is written in italics it means :

39 / 40

Your bus is disabled. With riders aboard, the bus may be towed or pushed to a safe place only:

40 / 40

The parking brakes should be used____in air brake vehicles.

Your score is

The average score is 62%

5/5 - (1 vote)

CDL Category Practice Tests

CDL Practice Test

How To Get A hawaii Commercial Drivers License

Applicants can apply for a CDL at age 18. Only applicants over the age of 21 years old can drive commercial vehicles in other states than Hawaii. Hazmat Endorsements and transporting persons is restricted to those applicants that are 21 years or older. Those applying for a commercial driver’s license must supply a DOT medical card and pass a vision assessment at the Hawaii State testing facility.

If any of the following statements are true about an applicant, they are automatically disqualified from receiving a CDL.

  • Having more than one driver’s license.
  • Being disqualified from commercial driving privileges in another state.
  • Having a driving impaired conviction in a commercial vehicle in the past 24 months.
  • Having a suspended, denied, canceled, or revoked license.

Applicants must successfully pass both a knowledge test and a practical skills test in order to be eligible for their CDL.

H – Hazardous Materials
X – Tank with Hazmat
N – Tank Vehicles
P – Passenger Vehicle
T – Triples / Double Rigs

Hit the Open Road

hawaii CDL License Test Tips

To obtain a CDL, all applicants must complete a knowledge test. This knowledge test contains 50 questions about the topic of commercial driving. All applicants for Class A CDLs must complete an additional 20 questions about combination driving. Those looking to obtain endorsements or to remove the Air Brake restriction will need to take additional assessments. Those seeking the Passenger, Doubles/Triples, and Tank Endorsements will need to pass a 20 question test. Those looking for the School Bus Endorsement and/or the Air Brake Restriction Removal will need to complete a 25 question test. The Hazmat Endorsement requires successful completion of a 30 question test. A passing score is marked at 80 percent or above.

Applicants must successfully complete a three-section skills assessment. This includes a vehicle inspection, driving test, and basic control skills test. This showcases the applicant’s ability to properly operate a commercial vehicle. Applicants must utilize the vehicle they are seeking an endorsement with to obtain their CDL endorsement.

Additional Information

Hawaii Division of Motor Vehicles Information

The State of Hawaii County of Hawaii Vehicle Registration and Licensing Division regulates CDL requirements and testing in Hawaii. To get more information contact them via:

Website: http://www.hawaiicounty.gov/finance-cdl-general-info

Phone:  808.961.2222

Additional HAWAII CDL Helpful Links

Please use the links below to access more valuable Hawaii CDL testing resources and to learn more about practice driving tests for the state of Hawaii.