CDL COMBINATION PRACTICE TEST MARYLAND

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Drivers who want to drive combination vehicles must pass the combination vehicles test. The Maryland 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 Maryland CDL Manual. Take this practice test now to prepare for the actual MD CDL combination test!
1. When you are uncoupling a loaded trailer, lower the landing gear until:
the tractor frame is under the trailer.
the pressure in the system is above 55 psi.
it makes firm contact with the ground.
makes contact with the ground, and leave the trailer off the fifth wheel.
2. When driving at night you should:
keep the interior light on.
use your high beams when it is safe and legal to do so.
always use low beams.
All of the above.
3. Passive railroad crossings:
have at least one traffic control device.
should never be crossed using a CMV.
usually have a person directing traffic.
do not have traffic control devices.
4. If your vehicle has dummy couplers, why should you use them when the air lines are not connected to a trailer?
Because if you don't, you will never build system pressure.
To prevent freezing of the washer liquid.
To prevent overheating.
To prevent water and dirt from getting into the coupler and the air lines.
5. You are driving a heavy vehicle with a manual transmission, and you have to stop on the shoulder while driving on an uphill grade. When putting your vehicle back in motion up the grade, you should:
keep the clutch slipping while slowly accelerating.
use the parking brake to hold the vehicle until the clutch engages.
shift down to a speed that you can control without using the brakes.
partly engage the clutch before you take your right foot off the brake.
6. Before starting down a hill, you should:
look for an escape route.
release the accelerator and shift to Neutral at the same time.
apply the brakes hard.
slow down and shift to a lower gear.
7. Strong winds can make it difficult to stay in your lane, especially when:
going into tunnels.
driving alongside other vehicles.
driving at speeds below 40 mph.
coming out of tunnels.
8. One way to prevent hydroplaning is to:
take curves at higher speeds.
use the controlled braking method.
make sure you have enough tread on your tires.
have less than 4/32 inch tread depth in every major groove on front tires.
9. Fully loaded rigs:
are just as likely to roll over as empty rigs.
are less likely to roll over than empty rigs.
are much more likely to roll over than empty rigs.
None of the above.
10. When backing, as soon as you see the trailer getting off the proper path, you should:
turn the top of the steering wheel in the opposite direction of the drift.
to keep a firm grip on the steering wheel and continue backing.
turn the top of the steering wheel in the direction of the drift.
None of the above.
 
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Frequently Asked Questions

The age requirements to obtain a class C driver's license in Maryland are established by the three-steps of the Rookie Driver Program:
  • Learner’s instructional permit ? you must be at least 15 years and 9 months.
  • Provisional license ? you must be at least 16 years and 6 months.
  • Driver’s license ? you must be at least 18 years old and have held a provisional license for at least 18 months.

To schedule the MVA written test for a learner’s permit, complete the pre-application. You can visit any Maryland Motor Vehicle Administration (MVA) office, and upon successful completion of your exam, the permit will be mailed to you.

You must bring the following documents:
  • Proof of identity.
  • Proof of Social Security Number or proof of ineligibility.
  • Two Maryland residency documents. If you are under 18, provide one document and bring your parents/guardians with acceptable proof of your relationship.
  • For applicants under 16, a certificate of school attendance must be provided either by the applicant's school or by a parent or guardian.
For a complete list of acceptable documents, refer to the official Maryland Document Guide.


The MVA written test in Maryland is available in English, Spanish, Vietnamese, Korean, French, and Traditional Chinese. You also have the option to schedule an oral exam. Foreign language interpreters are allowed, but applicants must pay their fee. For those who are hearing impaired, the MVD offers assistance free of charge.

You should read the Maryland Driver's Handbook to familiarize yourself with the most common road rules and safe driving practices. Evaluate your knowledge with our free practice tests, or sign up for DMV Premium to unlock exclusive PDF Cheat Sheets!

The Maryland MVA written test comprises 25 questions, and you have 20 minutes to complete it. You should study the manual carefully to ensure your success on the first attempt.
A score of 88% or better is required to pass the MVA written test, so you can miss up to 3 questions. Be cautious and read thoroughly the questions.
For new drivers in Maryland, there are specific restrictions based on their age and licensing stage.

Learner’s permit holders:
  • Are not allowed to use a cell phone, including hands-free devices, except for emergency calls.
  • Must be accompanied by a driver aged 21 or older, with a minimum of 3 years of driving experience, seated in the front passenger seat.
Provisional license holders (Under 18):
  • Cannot drive with passengers under 18, except siblings, for the first 151 days, unless accompanied by a supervising driver.
  • Cannot drive between midnight and 5 am unless supervised by a licensed driver aged 21 or older with at least 3 years of driving experience, or for work, school, volunteer, or sports activities.
  • Are not allowed to use a cell phone, including hands-free devices, except for emergency calls.
  • Must wear safety belts and ensure that other passengers use them.
For all drivers under 21, it's illegal to drive after drinking any amount of alcohol.  

A Maryland learner’s permit is valid for 2 years from the date of issuance. If the permit expires before you can complete or pass the skill test, you will need to reapply for a new permit and retake the knowledge test.

If you fail your MVA written test, you need to schedule another appointment at an MVA office. You can retake the exam the next business day after the first failure. However, if you fail two or more times, you must wait seven days before retaking the permit test.

MD CDL Combination Test

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