Hawaii DMV CDL General Knowledge Quick Practice Test 3

Hawaii DMV CDL General Knowledge Quick Practice Test 3 For 2026

CDL Class A, B or C. Complete CDL driver training course. All the questions in this test are from the official DMV written exam. You can use our free online tests to evaluate how likely you are to pass the official DMV test. Or you can just cut to the chase and increase your chances of passing by upgrading to Premium Membership and unlock official DMV tests. In addition, you will also receive a master cheat sheet which contains all your state’s DMV questions and answers. Premium membership also unlocks a smart tracker which keeps an inventory of all incorrectly answered questions for easy, fast and effective revision. Practice with our free tests or hit Upgrade button below for premium access and increase your chances of passing your DMV written exam.

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Quick Facts:

Number of Questions – 20

Passing Percentage – 80%

Test Type – Free Test

1. Which of the following may result in an applicant being denied a hazardous materials endorsement?

They are considered a security threat by the Transportation Security Administration (TSA).
They are a lawful U.S. citizen.
They work for a foreign company.
They do not have perfect vision.

2. A driver will lose their CDL for at least one year for:

Leaving the scene of an accident involving a CMV.
Improper parking.
Improper lane change.

3. Brake fade is a result of:

Exposure to sunlight.
Exposure to moisture.
Excessive use.
Not using the brakes enough.

4. Over-the-counter medication:

Poses no safety risks to a driver.
Is not referenced by any laws regarding driving under the influence.
Cannot impair a driver.
Can affect a person’s ability to drive safely.

5. If the low air pressure warning signal comes on in a vehicle with air brakes, the driver should:

Test the brakes while driving, but continue driving if nothing seems wrong.
Immediately stop driving.
Drive with the hazard lights activated.

6. When other vehicles have trouble seeing you at dawn or dusk, you can increase your visibility by:

Turning on your four-way flashers.
Honking your horn.
Turning on your headlights.
Turning on your windshield wipers.

7. If you are confronted with an aggressive driver, you should:

Make eye contact.
Try to stay in their way.
Ignore any hand gestures.

8. If driving a truck that requires a CDL for operation:

You do not need to wear a seat belt.
You are required to wear a seat belt, but only if transporting more than 500 pounds of cargo.
You are always required to wear a seat belt.
You are only required to wear a seat belt when driving a tank trailer.

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