delaware
CDL Practice Test

0

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

What should you do if you start a trailer skid?

2 / 40

Which of the following about the front tires on a commercial bus is true?

3 / 40

Animals and human foodstuffs should not be loaded in the same vehicle with?

4 / 40

When should the trailer hand valve be used?

5 / 40

Your bus starts to lean toward the outside on a banked curve, you are:

6 / 40

If the hazardous materials are classified as FORBIDDEN you should:

7 / 40

In the slide mechanism of the sliding fifth wheel, this object should have no missing pins or be loose when fully engaged.

8 / 40

Select the true statement about emergency steering and tankers:

9 / 40

Select the first action to do when the low air pressure warning comes on:

10 / 40

Hazardous materials (that are not forbidden) carried on a bus must be:

11 / 40

You do not have a hazardous materials endorsement on your commercial driver license. When can you legally haul hazardous materials?

12 / 40

This component should be checked that it is solid, securely bolted to the tracture frame, and clear of objects.

13 / 40

The crack-the-whip effect is more likely to cause the front trailer to tip over.

14 / 40

Select the true statement in regards to your brake function when your ABS fails

15 / 40

Do you need to stop before a railroad crossing if you are hauling 100 pounds of Division 4.3 materials?

16 / 40

Wet brakes can cause _____.

17 / 40

Do empty trucks have the best braking?

18 / 40

When you have a major leak in the service line and you apply pressure to the brakes, the service air pressure will escape and:

19 / 40

What is the value of the overhead rear-view mirror inside of the bus?

20 / 40

Select the true statement in regards to the center of gravity for tanks:

21 / 40

It is good practice to_____when uncoupling.

22 / 40

This object is required to be checked for damage, that it's secure, and strong enough to handle any cargo.

23 / 40

Which contains more alcohol: a 12-ounce glass of 5% beer, a 5-ounce glass of 12% wine or a 1 1/2-ounce shot of 80 proof liquor?

24 / 40

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

25 / 40

Select the true statement in regards to unhooking the pintle hook while the converter dolly is still under the trailer.

26 / 40

You need to be extra careful when driving smooth bore tanks:

27 / 40

You should___when driving down a long steep hill.

28 / 40

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

29 / 40

You should check that the following makes an audible noise:

30 / 40

Do you need to stop before a railroad crossing if you are hauling 100 pounds of Division 4.3 Dangerous When Wet material?

31 / 40

Some hazardous materials may not be loaded together with other hazardous materials. The prohibited combinations are listed in the:

32 / 40

Select the item that is not checked in the engine compartment:

33 / 40

How do you check the connection after locking the kingpin into the fifth wheel?

34 / 40

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

35 / 40

How can you determine if your vehicle is equipped with ABS?

36 / 40

The system that needs to be checked for signs of leaks with rust or carbon soot and damage is the _____.

37 / 40

While completing the 3rd component of the air brake check of a combination vehicle, at what psi should the tracor protection valve and parking brake valve should pop out?

38 / 40

Spring brakes are usually held back by_____during normal driving.

39 / 40

This gauge will indicate if the generator or alternator is charging:

40 / 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?

Your score is

The average score is 0%

Rate this page

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.