CDL COMBINATION PRACTICE TEST HAWAII

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Drivers who want to drive combination vehicles must pass the combination vehicles test. The Hawaii CDL combination test consists of 20 questions, and you'll need at least 16 correct answers to pass (80%). The test covers the combination vehicles section of the Hawaii CDL Manual. Take this practice test now to prepare for the actual HI CDL combination test!
1. The trailer hand valve should be used only:
in driving to prevent skids.
when the trailer is fully loaded.
to test the trailer brakes.
2. If a load is placed on one side of the trailer:
the steering axle weight will be too light to steer safely.
a rollover is more likely.
making turns may be easier.
3. Combination vehicles _________ than single CMVs.
are safer in bad weather
require more driving skill
are much easier to drive
4. If your vehicle is equipped with air brakes, loss of air pressure in the emergency line will cause:
the trailer emergency brakes to come on.
the vehicle to slide back and forth.
the springs to put on the brakes.
5. The service line:
carries power steering fluid to control the trailer brakes.
carries air and is connected to relay valves which allow the trailer brakes to be applied more quickly.
carries air to the parking brake to control the trailer brakes.
6. After the pre-trip inspection, drivers should inspect their cargo and its securing devices again within ________ after beginning the trip.
50 miles
25 miles
20 miles
7. Which of the following statements about off-tracking is true?
Longer vehicles off-track less.
If there is more than one trailer, the rear wheels of the last trailer will off-track the most.
When a vehicle goes around a corner, the rear wheels follow the same path as the front wheels.
8. Older trailers do not have spring brakes. If the air supply leaks away:
the trailer will stop normally.
the ABS won't work properly.
there will be no emergency brakes.
9. If your ABS is not working:
it will slow your truck to a halt and force you to pull over.
the drive wheels will begin to spin, and you should take your foot off the accelerator.
you still have normal brake functions, and should drive and brake as you always have.
10. If a load is 50 feet long, the minimum number of tie-downs required is:
4
10
5
 
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Frequently Asked Questions

For individuals under 18, Hawaii has introduced a graduated licensing program with specific age requirements for each stage:

  • Instructional permit ? you need to be at least 15 ½ years old.
  • Provisional license ? you need to be between 16 and 18 years old and have held a permit for at least 6 months with no traffic violations.
  • Full driver’s license (class 3) ? you need to be 17 and have held a provisional license for at least 6 months.
You can schedule an appointment and then take the DMV written test in person. Choose dates and times based on your preferences and the available options at various Hawaii DMV offices.
To take the DMV written test in Hawaii, make sure to bring the following documents on the day of the exam:
  • A compiled and printed driver license application
  • Proof of identity
  • Proof of legal presence, legal name, and date of birth (for Non-U.S. applicants)
  • Proof of your Social Security Number
  • Two proofs of residence address

Extra documents for minors:
  • Signature from your parent/legal guardian
  • Affidavit for Minors

All these documents must be originals or certified copies and must be unexpired. Check the list of acceptable documents for the Hawaii DMV test.


Hawaii provides the option to take the DMV written test in several languages, including English, Hawaiian, Traditional Chinese, Simplified Chinese, Chuukese, Ilocano, Japanese, Korean, Marshallese, Samoan, Spanish, Tagalog, Tongan and Vietnamese.

To prepare for the DMV written test, read the Hawaii Driver's Handbook. Study traffic laws, road signs, parallel parking, turning, passing a vehicle, yielding the right of way, etc. Verify your knowledge with our free practice tests or sign up for DMV Premium to access additional resources. Once you are satisfied with your score, you are ready for the exam.

The Hawaii DMV test consists of 30 questions about various aspects of driving regulations and road safety. These questions are based on the official manual, so it's important to study it well to maximize your chances of passing the exam.

When you get the instructional permit, you can drive only under the supervision of a driver aged 21 or older. After obtaining a provisional driver's license, the following restrictions apply:

  • You cannot transport more than one person under 18 without the supervision of a licensed parent/legal guardian, except for your family members.
  • You are not allowed to drive between 11:00 p.m. and 5:00 a.m. without supervision, unless for school or work activities approved by your parents or your employer.
The Hawaii instruction permit is valid for one year from the date of issuance. It can be renewed within 30 days before the expiration date or up to 90 days after the expiration date. However, if the permit is not renewed within 30 days after expiration, you have to wait 180 days before taking the road test.

HI CDL Combination Test

Number of questions: 20
Correct answers to pass:16
Passing score:80%
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