Maryland DMV CDL General Knowledge Quick Practice Test 2

Maryland DMV CDL General Knowledge Quick Practice Test 2 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. What can happen if your vehicle has a high center of gravity?

It may get better mileage.
It may be difficult for you to see the road.
It may tip over.
The tires may not be able to handle the weight.

2. Air tank drains should:

Not be used by the driver.
Only be used when it is wet outside.
Be used to drain the tanks completely.

3. A pre-trip inspection includes ____ basic steps.

Two
Four
Seven
Nine

4. A vehicle inspection:

Is a waste of time.
Is helpful in identifying minor issues before they become major problems.
Should not be done by the driver.
Should be performed once a month.

5. Test the low pressure warning signal:

Once a month.
Once a week.
Twice a week.
Before every trip.

6. If planning to stop on the road to unload cargo, you should:

Stop suddenly, since you are already on the road.
Warn other drivers by tapping your brakes.
Wave your arm out the window to get the attention of other drivers.

7. Why are multi-speed axles and auxiliary transmissions used?

To make a vehicle operate more smoothly
To provide extra gears
To improve a vehicle's gas mileage

8. Which of the following is not a crime that would disqualify an applicant from a hazardous materials endorsement?

Arson
Dishonesty
Robbery
Littering

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