maryland
CDL Practice Test

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Welcome to the Maryland CDL practice test site. Questions on these practice tests are similar to those that are found on the Maryland CDL test and presented by the MVA. Use these practice test questions as you prepare to obtain a Maryland CDL. These tests are free and you may take them as many times as you would like. You will be presented with 40 questions and you must answer 34 questions correctly to pass. There is a 50-minute time limit. You may not go back once you answer a question. Click the "Start Test" button below to begin. 

1 / 40

Which of the following is NOT something you need to know in order to determine if you need to use placards?

2 / 40

You downshift automatic transmissions ______.

3 / 40

How do you supply air to the trailer tanks?

4 / 40

Always try to back toward the driver's side because

5 / 40

Before pulling away, make sure the landing gear of the trailer is:

6 / 40

With the engine cut off and the brakes released the air loss in a straight truck or bus should not be more than:

7 / 40

What is a king pin?

8 / 40

Which of the following statements about bus evacuation is true?

9 / 40

A trailer is at the right height to have the tractor backed up to it when:

10 / 40

When should you drain air tanks that do not have an automatic tank drain?

11 / 40

On tandem axle for trailers, the sliding mechanism and locking device is:

12 / 40

Commerical vehicles typically have this type of brake.

13 / 40

Remember to____when connecting the converter dolly to the rear trailer.

14 / 40

Select how brakes work on long, steep downgrades:

15 / 40

When not towing a trailer, why should the tractor glad hands be locked?

16 / 40

What is the best way to stop all skids?

17 / 40

When transporting hazardous waste, you must:

18 / 40

Which signals may be used to warn of a stopped vehicle that contains explosives?

19 / 40

The basic description of a hazardous material includes the hazard class, the identification number, and the proper shipping name. Which one must appear first on the shipping paper?

20 / 40

The minimum tread depth for steering axle tires is:

21 / 40

Before transporting a sealed load, you must check:

22 / 40

What are you checking when looking at the lubrication level on a dipstick?

23 / 40

Select the action that is not recommended when driving on slippery roads:

24 / 40

Select the correct setup for shut-off valves:

25 / 40

What does outage mean?

26 / 40

Five hazard classes that require placarding in any amount are ______.

27 / 40

What might happen if you swing wide to the left before you turn right?

28 / 40

What is the main difference between a portable tank and a cargo tank?

29 / 40

When inspecting the_____you pump the pedals 3 times and then hold it down for 5 seconds feeling for no movement to occur.

30 / 40

The gauge that indicates normal or increasing lubrication pressure to prevent engine seizure, failure or breakdown is:

31 / 40

How often should you check the tires on a placarded trailer that has dual tires?

32 / 40

Select the statement that best describes what the trailer air supply control does:

33 / 40

Make sure that_____before you back under a trailer.

34 / 40

The two other places where the hazardous identification number must appear are:

35 / 40

How do you check the air compressor governor "cut in" and "cut out" pressures?

36 / 40

How should the hand valve be used?

37 / 40

What is a common cause of tire fires?

38 / 40

Do not tow or push a disabled bus with riders aboard the vehicle, unless:

39 / 40

Select the true statement in regards to as why you should make sure the fifth wheel plate is greased as recommended:

40 / 40

The compressor is connected to the engine via _____?

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CDL Category Practice Tests

CDL Practice Test

How To Get A maryland Commercial Drivers License

Applicants can apply for any CDL and necessary endorsements when they are 21 years of age or older. Applicants may apply for a restricted CDL at the age of 18 years old. This restricted CDL limits the driver to intrastate driving and doesn’t allow HazMat Certification, driving double or triple trailers, or driving school buses with children on board. All applicants must possess a current DOT medical card to be considered for their CDL.

All drivers that have the following issues are considered disqualified from receiving their Maryland CDL.

  • Having a current license suspended, revoked, denied, or canceled.
  • Possessing more than one state driver’s license.
  • Having restricted CDL driving privileges in another state.
  • Being convicted of driving impaired within 24 months prior to submitting a CDL application.

All applicants must successfully pass both a skills test and a knowledge test in order to receive their Maryland CDL. To receive specific endorsements, individuals must pass examinations about the endorsement as well.

Endorsements
X – Tank and Hazmat Endorsement
H – Hazardous Materials
N – Tank Vehicles
P – Passenger Vehicles
T – Double / Triple Trailers

Hit the Open Road

maryland CDL License Test Tips

Knowledge tests are required to receive Class A, B, and C CDLs and endorsements. All applicants must take a 50 question test and pass with a score of 40 or higher to receive their CDL permit. Those applying for a Class A license must take a 70 question test, with 20 of the questions pertaining directly to combination vehicles. All endorsements require their own specific examination that has been 20 and 30 questions. All assessments must be passed with a score of 80 or higher.

Each applicant is required to complete a three-section skills assessment. This assessment is comprised of a vehicle inspection, driving test, and basic control test. To pass the skills portion of the CDL assessment, applicants must successfully show their knowledge in all three areas. Those seeking vehicle-specific endorsements must take the skills test in that specific type of vehicle they want the endorsement for.

Additional Information

Information on the Maryland Motor Vehicle Administration

The Maryland Motor Vehicle Administration provides the oversight and administration of CDL requirements in Maryland. To get more information contact them via:

Website: http://www.mva.maryland.gov/drivers/apply/cdl/commercial.htm

Phone:  410.424.3011

 

Additional Maryland CDL Helpful Links

Please use the links below to access more valuable Maryland CDL testing resources and to learn more about practice driving tests for the state of Maryland.