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

Before backing under the trailer after connecting the air lines you should:

2 / 40

Why is the proper adjustment and use of all mirrors so vital to the safe operation of the school bus?

3 / 40

When there is a hazardous materials emergency. You should:

4 / 40

Always try to back toward the driver's side because

5 / 40

What does the amount of liquid you can carry depend on?

6 / 40

What is the purpose of a driver placarding his or her vehicle?

7 / 40

If you park the trailer at an angle to the tractor when uncoupling:

8 / 40

How much space should there be between the lower and upper fifth wheel?

9 / 40

Select the reason as to why you should not use the trailer hand valve while driving.

10 / 40

You should adjust all the outside left and right side flat mirrors to see:

11 / 40

Which of the following is a recommended procedure when unloading the students?

12 / 40

A safe haven is ______.

13 / 40

If you are required to stop at railroad crossings, you must:

14 / 40

It takes special care to drive tankers with liquid in them because:

15 / 40

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

16 / 40

"Outages" is the word to describe the amount of space required for liquids to expand in as they warm.

17 / 40

How do you test your service brakes?

18 / 40

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

19 / 40

The school bus driver may be the only contact person from school system some parents meet. The percentage of such parents is as high as:

20 / 40

This object should not move more than an inch by pulled by hand with the brakes released for manual slack adjusters.

21 / 40

Tires should should be replaced:

22 / 40

The amount of liquid you can carry depends on:

23 / 40

When should the trailer hand valve be used?

24 / 40

Cargo tanks are:

25 / 40

Which of the following statements about downshifting is NOT true?

26 / 40

At the end of each shift you should:

27 / 40

What is the most important reason for doing a school bus inspection?

28 / 40

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

29 / 40

You should____to check the free play of manual slack adjusters on S-Cam brakes.

30 / 40

When driving tank vehicles you should:

31 / 40

What should you hear when you test the trailer brakes by opening the service air line at rear of trailer with the hand valve on?

32 / 40

The parking brakes should be used____in air brake vehicles.

33 / 40

The best way to go into a curve is to decrease your speed going into the curve and then ____going through it.

34 / 40

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

35 / 40

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

36 / 40

Your vehicle is going down a long hill and your brakes begin to fail. What should you do?

37 / 40

Carry-on baggage cannot be stored:

38 / 40

Double and triple trailers should be driven with care to avoid a rollover or jacknife.

39 / 40

When approaching a school bus stop, you should:

40 / 40

In what position should the converter dolly air tank drain valve be in for double trailer combination?

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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.