North Carolina DMV CDL General Knowledge Quick Practice Test 3

North Carolina DMV CDL General Knowledge Quick Practice Test 3 For 2024

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. A tread depth of ____ should be in every major groove of a tire that is not in the front of a commercial motor vehicle.

1/32 of an inch
2/32 of an inch
4/32 of an inch

2. Hydroplaning:

Only occurs at extremely high speeds.
Can occur at speeds as slow as 30 mph.
Happens most frequently when tire pressure is too high.
Happens most frequently when tires have good tread.

3. To make it as safe as possible to leave a stop, you should park:

So that you must back up to leave your parking space.
So that you can pull forward to leave your parking space.
On the side of a roadway, not in a parking lot.
By backing into a parking space.

4. Which of the following is not a sign of tire failure?

A loud sound
Vibration
Smoother steering

5. You may be an aggressive driver if you:

Expect delays on your drive.
Slow down and maintain a reasonable following distance.
Make hand gestures that could anger other drivers.

6. Distracted drivers may be:

Staying within their lanes.
Traveling at consistent speeds.
Preoccupied with using their cell phones.
Not talking to anyone else in their vehicles.

7. To ensure normal stopping power, drivers of vehicles equipped with a front brake limiting valve should:

Set the control to normal.
Set the control to the off position.
Set the control to neutral.
Keep the control at the halfway mark.

8. When checking the power steering fluid during a vehicle inspection, you will need to do each of the following, except:

Show where the power steering fluid dipstick is located.
Check for adequate power steering fluid.
Ensure that the power steering fluid level is above the full mark.
Ensure that the power steering level is above the refill mark.

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