Delaware CDL Practice Test — General Knowledge, Air Brakes & Endorsements (2026)
Delaware offers Commercial Driver License testing for drivers seeking to operate commercial vehicles. The CDL knowledge test covers federal regulations and vehicle safety. Endorsements are available for HazMat, Tanker, Passenger, Doubles/Triples, School Bus, and Air Brakes. CDL applicants must be at least 21 years old and meet federal requirements.
Sample Delaware CDL Practice Test Questions & Official Manual Citations (2026)
Below are 4 real sample questions from our Delaware cdl practice test bank. Every question in PassMyDMV cites the exact page and rule in the official Delaware manual so you understand the law behind every answer:
Sample Question 1 · Transporting Cargo Safely Federal
Official Delaware Manual · Chapter 10 · Page 71
According to the Delaware CDL manual, which statement is correct about transporting cargo safely federal?
- A. Be sure trailer wheels are chocked or spring brakes Apply and release trailer brakes and listen for sound are on. of trailer brakes being applied and released.
- B. OR Why Inspect: Wear or damage to the kingpin can result in handling problems, rollover, or separation of the ALL OTHER TYPES OF COMBINATIONS tractor and trailer leading to a crash.
- C. TRANSPORTING CARGO SAFELY Federal, state, and local regulations for commercial vehicle weight, securing cargo, covering loads, and where you can drive large vehicles vary from place This Section Covers to place. Correct
- D. If you don't understand the crack- the-whip effect, study subsection 6.1.2 of this Secure Second (Rear) Trailer manual.
Why C. TRANSPORTING CARGO SAFELY Federal, state, and local regulations for commercial vehicle weight, securing cargo, covering loads, and where you can drive large vehicles vary from place This Section Covers to place. is correct: The correct answer repeats the rule stated in the Delaware manual; the other choices come from different manual topics and do not answer this question. [Manual: TRANSPORTING CARGO SAFELY — transporting cargo safely federal, p. 71]
Manual excerpt (Official Delaware Manual · Chapter 10 · Page 71): “TRANSPORTING CARGO SAFELY Federal, state, and local regulations for commercial vehicle weight, securing cargo, covering loads, and where you can drive large vehicles vary from place This Section Covers to place.”
Sample Question 2 · Know Rules Where Will
Official Delaware Manual · Chapter 10 · Page 71
According to the Delaware CDL manual, which statement is correct about know rules where will?
- A. If the be self-adjusting or may require manual adjustment. pressure gets too low, the brakes won't work.
- B. You may let someone else watch it for you only if your vehicle is: On the shipper's property.
- C. For example, when coming to a Check pipes, connections, and hoses for leaks, stop, the liquid will surge back and forth.
- D. Know the rules where you will be driving. • Inspecting Cargo • Cargo Weight and Balance 3.2 – Weight and Balance • Securing Cargo You are responsible for not being overloaded. Correct
Why D. Know the rules where you will be driving. • Inspecting Cargo • Cargo Weight and Balance 3.2 – Weight and Balance • Securing Cargo You are responsible for not being overloaded. is correct: The correct answer repeats the rule stated in the Delaware manual; the other choices come from different manual topics and do not answer this question. [Manual: TRANSPORTING CARGO SAFELY — know rules where will, p. 71]
Manual excerpt (Official Delaware Manual · Chapter 10 · Page 71): “Know the rules where you will be driving. • Inspecting Cargo • Cargo Weight and Balance 3.2 – Weight and Balance • Securing Cargo You are responsible for not being overloaded.”
Sample Question 3 · Following Some Definitions Weight
Official Delaware Manual · Chapter 10 · Page 71
According to the Delaware CDL manual, which statement is correct about following some definitions weight?
- A. The following are some definitions of weight you should • Cargo Needing Special Attention know. Correct
- B. When only the trailer has ABS, the trailer is less Trailers will have yellow ABS malfunction lamps on likely to swing out, but if you lose steering control or the left side, either on the front or rear corner.
- C. Identification numbers are in column 4 of the Figure 9.9 Hazardous Materials Table.
- D. An important Is a hazard class label, proper shipping name, or package marking is the name of the hazardous identification number on the package? material.
Why A. The following are some definitions of weight you should • Cargo Needing Special Attention know. is correct: The correct answer repeats the rule stated in the Delaware manual; the other choices come from different manual topics and do not answer this question. [Manual: TRANSPORTING CARGO SAFELY — following some definitions weight, p. 71]
Manual excerpt (Official Delaware Manual · Chapter 10 · Page 71): “The following are some definitions of weight you should • Cargo Needing Special Attention know.”
Sample Question 4 · This Section Tells About
Official Delaware Manual · Chapter 10 · Page 71
According to the Delaware CDL manual, which statement is correct about this section tells about?
- A. When pulling a trailer, rough vehicle and check your path if you are unsure. acceleration can damage the coupling.
- B. This section tells you about hauling cargo safely. 3.2.1 – Definitions You Should Know You must understand basic cargo safety rules to get a CDL. Correct
- C. Any unusual brake pedal "feel" or delayed stopping 6.
- D. Steer and accelerate smoothly into the proper lane Continue to check traffic thoroughly in all directions. when safe to do so.
Why B. This section tells you about hauling cargo safely. 3.2.1 – Definitions You Should Know You must understand basic cargo safety rules to get a CDL. is correct: The correct answer repeats the rule stated in the Delaware manual; the other choices come from different manual topics and do not answer this question. [Manual: TRANSPORTING CARGO SAFELY — this section tells about, p. 71]
Manual excerpt (Official Delaware Manual · Chapter 10 · Page 71): “This section tells you about hauling cargo safely. 3.2.1 – Definitions You Should Know You must understand basic cargo safety rules to get a CDL.”
Most-Tested Delaware CDL Practice Test Topics in Our 680-Question Bank
Our Delaware cdl practice test bank contains 680 active multiple-choice questions written directly from the official Delaware handbook. Here is how those questions break down across the core exam topics:
Frequently Asked Questions: Delaware CDL Practice Test
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