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 trailer should be lowered so that _____.

2 / 40

To maintain alertness during the trip, drivers should:

3 / 40

Which of the following would NOT be part of a standard vehicle inspection?

4 / 40

If you must stop on the shoulder of the road, you should place warning devices at all of the following places except...

5 / 40

Under which two special conditions should you downshift?

6 / 40

The air leakage rate for combination vehicles should not be more than _ psi a minute.

7 / 40

While driving on a clear night with low beam headlights, you should be able to stop within:

8 / 40

Two causes of tire fires are ______.

9 / 40

For any flatbed load you must have at least ____ tie downs.

10 / 40

With most hazardous materials, you may park within 5 feet of the road briefly, if your work requires it. The materials that are the exception and do not allow parking this close to the road are:

11 / 40

A safe haven is ______.

12 / 40

The reason a bulk liquid tanker is hard to handle is:

13 / 40

Should your air compressor stop working:

14 / 40

Tankers used to transport hazardous materials on vehicles must be marked with:

15 / 40

Off-tracking happens when going around a corner and:

16 / 40

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

17 / 40

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

18 / 40

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

19 / 40

You should follow the posted speed limits for curves and be aware of:

20 / 40

Select the true statement in regards to brake drums or discs:

21 / 40

You should___to reduce the air leakage rate.

22 / 40

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

23 / 40

Select the true statement in regards to the liquid inside of a bulk tank causing a tank truck to roll sideways.

24 / 40

You don't want to use wheel chocks when hooking a combination to a second trailer with no spring brakes. What should you do?

25 / 40

The most stable tanker shape is:

26 / 40

Take extra caution when driving smooth bore tanks during:

27 / 40

When should you not use the parking brakes?

28 / 40

You should turn off your engine when loading flammable liquid unless:

29 / 40

At the end of each shift you should:

30 / 40

Most states require school bus drivers to take a physical examination:

31 / 40

Which of the following are some suspension system defects?

32 / 40

Urban mass transit coaches may have a brake and accelerator interlock system. Which of the following statements is true?

33 / 40

Which of the following statements about overhead space is true?

34 / 40

This object should be free of shiny treads, rust, free of cracks and distortions.

35 / 40

One reason hauling liquids in tank vehciles require special care is:

36 / 40

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

37 / 40

Placarded vehicles must carry which type of fire extinguisher?

38 / 40

What is the brake system that applies and releases the brakes when the brake pedal is used?

39 / 40

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

40 / 40

When checking the wheelchair lift, the things you should look for are:

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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.