delaware
CDL Practice Test

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This site is available to practice and prepare to take the Delaware CDL test. These tests are free and you are able to 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

The container for the mechanism that transforms the steering column action into wheel action is:

2 / 40

What is the correct number of red reflective triangles that you should carry?

3 / 40

If you are drowsy, you should _____ before you drive.

4 / 40

Your engine runs a pump when you are delivering compressed gas. Should you turn off your engine before or after you unhook the hoses after finishing that delivery?

5 / 40

When does your vehicle's single brake system need an adjustment?

6 / 40

How can you check slack adjusters?

7 / 40

Check that the parking brake will hold by____when the parking brake is engaged and the trailer brakes released if not a combination vehicle.

8 / 40

Which of the following materials would be an acceptable floor liner for moving Division 1.1 or 1.2 materials?

9 / 40

You should keep a minimum of ____between another vehicle and the double trailer with 100 ft truck driving at 30 mph.

10 / 40

What is the purpose of cladding in a tanker?

11 / 40

A driver of a tank vehicle should take curves, off ramps, and on ramps at a speed lower than the posted speed limit.

12 / 40

How do you hook a combination to a second trailer without spring brakes and without using wheel chocks?

13 / 40

Why should you cover cargo?

14 / 40

When should you avoid using the parking brake?

15 / 40

Select the false statement about suspension:

16 / 40

Under which two special conditions should you downshift?

17 / 40

How much space should you see between the lower and upper fifth wheel when checking the coupling of a converter dolly?

18 / 40

Select the true statement about baffled tankers:

19 / 40

Select the statement that is not part of the air-brake system:

20 / 40

Select the true statement about what the Air Compressor Governor controls:

21 / 40

In what position should the shut off valves on a the rear of the front trailer be in on a set of double trailers?

22 / 40

If you are stopped on an incline, how can you start moving without rolling back?

23 / 40

What are slack adjusters?

24 / 40

Which of the following answers lists the three types of emergency equipment you must have on your bus?

25 / 40

The best way to describe a dual air brake system is:

26 / 40

Which of the following statements about special danger of loading and unloading is true?

27 / 40

When driving a combination vehicle, the trailer breaks away severing the air lines. The trailer brakes should come on and ____.

28 / 40

If you are driving a 100-foot truck with double trailers at 30 mph in dry conditions, how many seconds of space should there be between your truck and other vehicles?

29 / 40

The front trailer supports should be____before driving away.

30 / 40

Select the true statement about stop valves in a cargo tank:

31 / 40

Placarded vehicles must carry which type of fire extinguisher?

32 / 40

With Division 1.1, 1.2, or 1.3 Class A or B, how close can you park to a bridge, tunnel, or building?

33 / 40

Select the true statement about emergency steering and tankers:

34 / 40

The manual says you should look _____ ahead while driving.

35 / 40

How often should air tanks be drained?

36 / 40

Select the two things that are important in preventing a rollover:

37 / 40

To avoid rollover when going through a curve, the best thing to do is:

38 / 40

Who is responsible for packaging, labeling, and preparing the hazardous material shipping papers for a common carrier?

39 / 40

What will happen right away should the service air line come apart but the emergency line is intact while driving a combination vehicle?

40 / 40

Select the true statement about convex ("spot") mirrors.

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CDL Category Practice Tests

CDL Practice Test

How To Get A delaware Commercial Drivers License

Those who are 18 years of age and older can apply for their CDL. To receive privileges for out-of-state driving, doubles/triples, hazmat, and transporting vehicles, residents must be at least the legal age of 21 years old. All CDL applicants are required to comply with the MCSR 49 CFR 391.41 section of the Federal Codes regarding commercial driving medical requirements. Individuals must present a medical examiner’s certificate at the time of their CDL application.

Any of the following will automatically disqualify an applicant from receiving their CDL:

  • Having a revoked, suspended, canceled, or denied driver’s license.
  • Being convicted in the past 24 months of driving impaired in a commercial vehicle.
  • Having disqualified CDL privileges in another state.
  • Possessing more than one operator’s license.

All applicants are required to complete an on-site vision test, knowledge test(s), and a practical skills test. All tests must be successfully passed before a Delaware resident can be issued their CDL.

Endorsements
S – School Bus
X – Tank and Hazmat
T – Doubles and Triples
P – Passenger
N – Tank Vehicles
H – Hazardous Materials

Hit the Open Road

delaware CDL License Test Tips

Delaware residents must complete, at the minimum, one knowledge test to be considered eligible for a CDL. Depending on the Class and the Endorsements that are sought, individuals may have to undergo additional testing. All tests must be passed with a score of 80 percent or more. General knowledge tests for Class B and C drivers are 50 questions. Those seeking their Class A will have 50 general knowledge questions with an additional 20 questions about combination driving. Endorsements and the Air Brake Restriction Removal require additional knowledge tests that are between 20 and 30 questions each.Once an individual passes their knowledge test they are given a commercial learning permit (CLP). After waiting 14 days, the holder can take their skills test. This is a three part test that assesses the individual’s ability to operate a commercial motor vehicle. The test includes a pre-trip inspection, a driving test, and a basic controls test. All three parts must be successfully passed for the applicant to be eligible for their CDL. If applying for a special endorsement, the individual must take their test in the vehicle the endorsement is for.

Additional Information

Information on the Delaware Division of Motor Vehicles

The State of Delaware Division of Motor Vehicles provides oversight and administration for the CDL requirements and testing in Delaware. To get more information contact them via:

Website: https://www.dmv.de.gov/DriverServices/drivers_license/CDL/index.shtml

Phone:  302.326.5000

 

Additional Delaware CDL Helpful Links

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