delaware
CDL Practice Test

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

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

Students should be told not to use the handrails when exiting the bus due to the possibility of causing a clothing hang up.

Students should be told to pick up any dropped objects as long as it is not under the bus.

Students should be told to leave any dropped objects and move to the point of safety out of danger and get the driver's attention to retrieve the object.

Students should be told to remain seated while the bus is in motion.

2 / 40

The front trailer supports should be____before driving away.

raised 1/3 of the way with the crank handle secured in its bracket

3 turns down from the top and the crank handle secured in its bracket

raised 1/2 way with the crank handle secured in its bracket

raised fully and the crank handle secured in its bracket

3 / 40

Which of the following statements about downshifting is NOT true?

downshift when you get to the bottom of a hill

downshift before starting down a hill

downshift before climbing a hill

downshift before entering a curve

4 / 40

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

in a 1/3 open position

in a closed position

in an open position

in a halfway closed position

5 / 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:

the trailer tank pressure will be gone

the trailer emergency brakes will kick on

the hand valve will stop functioning

the tractor spring brakes will kick on

6 / 40

Select the true statement about dual air brake systems:

they have one set of controls for two air brake systems

they have a single set of air tanks and hoses

they require less time to build up air pressure

they are required to have two warning alarms

7 / 40

When transporting hazardous loads, you must check the tires at least:

Every 200 miles.

Every six hours.

Every two hours or 100 miles.

Twice every day.

8 / 40

Students exit the bus and walk:

The distance it takes to clear the danger zone.

Across the street.

At least 10 feet away from the side of the bus.

At least 8 feet away from the side of the bus.

9 / 40

Select the true statement in regards to driving a truck with triple or double trailers:

extra care should be taken when driving in bad weather and in the mountains

all answers listed

the risk of trailer jackknifes and tipping is increased compared to shorter trucks

the truck requires increased following distance compared to smaller vehicles

10 / 40

Select the true statement in regards to large combination vehicles taking longer to stop.

they take longer to stop than bobtail tractors

they take the same amount of time to stop when empty or loaded

they take longer to stop when they are empty

they take longer to stop when loaded down

11 / 40

Which of the following are some suspension system defects?

cracked or broken spring hangers

leaking shock absorbers

broken leaves in leaf spring

all of these answers are correct

12 / 40

Select the portion of the combination vehicle that is most likely to turn over suddenly when pulling a double trailer:

all are equally likely

the back trailer

the front trailer

the tractor

13 / 40

Buses are prohibited from carrying all of the following hazardous materials except:

Properly labeled poison gas canisters.

Small-arms ammunition.

Materials labeled radioactive in the space occupied by people.

Properly secured tear gas canisters.

14 / 40

On the Hazardous Materials Table, column 1 shows:

To what shipping mode the information on that line applies.

What materials can be loaded together.

How to ship an item.

How much of the material can be put in a vehicle without placarding.

15 / 40

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

To provide visibility directly in the back of the bus.

To monitor the driver's appearance.

To monitor passenger activity.

To check blind spots.

16 / 40

Select the statement that is true in regards to managing space to the sides.

high gust winds do not cause any issues for triples and doubles

you should try to avoid driving next to others when possible

you should always keep your vehicle to the right side of the lane

all answers listed

17 / 40

Which of the following statements about stopping distances is NOT true?

empty trucks require greater stopping distances because they have less traction

trucks traveling at higher speeds require greater stopping distances

brakes, tires, springs and shocks are designed to work best when the truck is empty

trucks traveling on ice or snow require greater stopping distances

18 / 40

Cargo tanks ____.

are large drums used to contain hazmat that is loaded on a trailer

are tanks that the military uses to transport hazardous materials

are large drums temporarily attached to a vehicle

are bulk packagings permanently attached to a vehicle

19 / 40

If you have riders on board, you must never refuel:

At any time.

In a closed building.

With any window open.

Unless on a scenic tour bus.

20 / 40

The best way to have control on curves is:

keep pressure on the brake pedal through the turn

to shift to a lower gear before entering the curve

to decrease to your safe speed before entering the curve and then accelerate through it

you do not need to do anything different

21 / 40

What are the 3 methods for securing a second trailer before coupling?

all answers listed

parking on level ground, chocking the tires, and charging the trailer air tank if it doesn't have spring brakes

parking against another trailer, locking the trailer door, and chocking the tires

chocking the tires, parking on level ground, and charging the air tank

22 / 40

The object that doesn't get checked at the side of the trailer is the:

The landing gear

Electrical/air connections

The locking pins/tandem release arm

The frame

23 / 40

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

Hazardous materials table.

List of hazardous materials and reportable quantities.

Hazardous waste manifest.

Segregation and separation chart.

24 / 40

Where are shut-off valves located?

at the front and back of the trailer

at the back of the trailer

either at the front or the back of the trailer

at the front of the trailer

25 / 40

Which of the following is a reason to evacuate the school bus?

A child set off a stink bomb inside the bus.

The bus abs warning light is on.

The bus is stalled on a shoulder of a 4-lane divided highway and it is getting hot inside.

The bus is stalled on a rail road track, but there is no train in sight.

26 / 40

Select why you should not use the trailer hand valve while driving:

there is a possibility it will make the trailer skid

it does not work as well as the foot brake does

you should only ever use the parking brake

it will cause the tractor to shake

27 / 40

All standing riders must stay:

Within two feet of an emergency exit.

Forward of the rear of the driver's seat.

In front of the standee line.

Behind the standee line.

28 / 40

Remember to____when connecting the converter dolly to the rear trailer.

ensure that the landing gear is slighty off of the ground

check the trailer height

all answers listed

lock the trailer brakes

29 / 40

Overhead inside mirror is used to:

see all of the students

monitor traffic that approaches and enters the blind spot area

see the area where students exit the bus

see the blind spot immediately behind the bus

30 / 40

Select the true statement about slack adjusters:

they can be adjusted automatically or manually

they should only be adjusted by a mechanic that is certified in slack adjusters

they do not ever need to be adjusted

they should move a minimum of 2 inches from the push rod attachment

31 / 40

Where can you find a shipper’s certification?

There is no such thing.

On all packages.

It is a separate document that all hazmat drivers must keep in their vehicles.

On the original shipping paper.

32 / 40

When stopping for railroad tracks, you must stop no closer than how many feet before the nearest track?

33 / 40

You should_____when the low pressure warning is activated:

pump the brake pedal to come to a stop immediately

wait until the air brakes kick in automatically

come to a safe stop while you still have control of the brakes

maintain highway speed and keep an eye on your air pressure gauge

34 / 40

The shipping papers for hazardous materials can be found:

Any of the above locations.

On the driver's seat when out of the vehicle.

In a pouch on the driver's door.

In clear view, within reach while driving.

35 / 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:

0.5

0.85

0.72

0.65

36 / 40

This object should not be spliced, cut, chafed, or worn through to allow steel braid to show.

The lockjaw

Electric/air lines

Tires

Mud flaps

37 / 40

Which of the following is NOT an acceptable type of marking for hazardous materials?

Identification number

Name in italics

Un marks

Descriptive name in roman print

38 / 40

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

you will have more space to maneuver in the lot

you won't have to take as many steps around the vehicle

the process will be faster and easier

damage could occur to the landing gear

39 / 40

How should the trailer be lined up when preparing to back the tractor up?

about 12 degrees to the left

about 12 degrees to the right

directly in front of the trailer

directly behind the trailer

40 / 40

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

Only if the arm is down telling vehicles to stop

Impossible to tell without more information

Yes

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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.

delaware CDL Practice Test

CDL Category Practice Tests

CDL Practice Test

How To Get A delaware Commercial Drivers License

Hit the Open Road

delaware CDL License Test Tips

Additional Information

Information on the Delaware Division of Motor Vehicles

Additional Delaware CDL Helpful Links

delaware
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