north carolina
CDL Practice Test

Welcome to the CDL practice test site for North Carolina. You can use this site to prepare for the official North Carolina DMV CDL Test. The questions on these practice tests apply to all of the areas you'll need to be knowledgeable in to obtain your NC CDL. You can take these practice tests as many times as you need to, and all of these tests are free. 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 shipping papers for hazardous materials can be found:

In clear view, within reach while driving.

Any of the above locations.

In a pouch on the driver's door.

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

2 / 40

This object should not be damaged, bent, or rusted through and be evenly centered with the tires and dual wheels evenly separated.

Lug bolts

All answers listed

Budd spacing or spacers

Tire rims

3 / 40

You should_____to make an emergency stop with air brakes when using the stab braking method.

apply pressure to the brake pedal until the wheels lock and then stay off of the pedal for as long as the wheels are locked

rapidly and lightly pump the brake pedal

apply a full hand valve until you stop and press firmly on the brake pedal

apply a firm pressure to the brakes, release the brake pedal once the wheels lock and then apply pressure to the brakes onces the wheels start rolling again

4 / 40

Which of the following is not a prohibited practice on the bus:

Fueling your bus with riders on board if about to run out of fuel.

Refueling in a closed building with riders on board.

Towing a disabled bus with riders aboard when getting off would be a safe option.

Talking with riders while driving.

5 / 40

What kind of surge occurs with baffles?

Circular

Side to side

Back to front

Bottom to top

6 / 40

What is the purpose of cladding in a tanker?

It protects the cargo from changes in temperature.

It controls the temperature of the cargo.

It protects the tanker form any corrosive cargo.

It eliminates liquid surge.

7 / 40

What is a technical name?

The medical term for hazardous materials used by medical personnel.

The name for a hazardous material most commonly used in the trucking community, accepted as standard.

The name for a hazardous material used in scientific journals and texts, recognized as its chemical and microbiological name.

The name for a hazardous material most commonly used on the street.

8 / 40

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

aggressively pump the accelerator

fully engage the clutch

shift to neutral

apply the parking brake

9 / 40

When stopped on a divided highway where should your reflectors be placed?

10 feet, 100 feet, and 200 feet toward the approaching traffic

20 feet, 150 feet, and 300 feet toward the approaching traffic

30 feet, 100 feet, and 150 feet toward the approaching traffic

15 feet, 75 feet, and 150 feet toward the approaching traffic

10 / 40

How should you inspect a converter dolly?

as if it is an axle with a fifth wheel

as if it is an engine

as if it is a trailer

as if it is cargo

11 / 40

Within 3 minutes, this gauge pressure should build to 90 psi from 50 psi.

Air pressure gauge

Coolant pressure gauge

Voltmeter gauge

Oil pressure gauge

12 / 40

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

All of these answers are correct.

Stop 15 to 50 feet before the nearest rail.

Proceed only when you are sure no train is coming.

Remember to never shift gears while crossing tracks.

13 / 40

How should the hand valve be used?

only when accompanied by the foot brake

to test the trailer brakes

only when the trailer is loaded to its maximum weight

only when accompanied by the service brakes

14 / 40

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

Because of uneven expansion.

Because of strong winds.

Because of the extreme weight.

Because of the movement of the liquid.

15 / 40

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

True but only in rainy conditions

False

True

True but only in ideal conditions

16 / 40

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

clutch brake system

parking brake system

service brake system

emergency brake system

17 / 40

You should_____when an emergency requires you to quickly stop your tanker.

keep a firm pressure on the brake pedal

turn off the abs and brace for impact

use stab or controlled braking

use the emergency brakes only

18 / 40

If you are drowsy, you should _____ before you drive.

drink coffee

do a little exercise

get sleep

take a cold shower

19 / 40

The CDL manual indicates the last step on picking up students at the bus stop is as follows:

Activate the amber flashing caution lights to warn vehicles that the bus will stop to load passengers soon.

Place transmission in park or neutral and set parking brake.

Make a final check to confirm all traffic stops before opening the bus door and signaling students to approach.

Open the service door just enough to activate the alternating red light when traffic is in a safe distance from the bus.

20 / 40

Students exit the bus and walk:

The distance it takes to clear the danger zone.

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

Across the street.

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

21 / 40

Select the false statement about suspension:

Check for shifted, missing, or cracked leaf springs.

Check for distorted or broken coil springs.

Check for broken or cracked spring hangers.

Check to make sure torsion bars and/or arms are lubricated.

22 / 40

It has just reached freezing. Which of the following areas is slippery?

all of these answers are correct

a shaded area

a bridge

wet-looking road

23 / 40

Select the true statement about handling triples and doubles:

triples and doubles handle the same as singles

due to off-tracking, a triple bottom rig can come to a stop faster than a 5-axle tractor

because of the crack the whip effect, the rear trailer of a 100-foot triple is less likely to tip over

a tip over of the rear trailer can occur due to sudden movements of the steering wheel

24 / 40

Why is understanding the loading and unloading procedures so critical?

Because school district officials have the authority to conduct surprise quizzes and you must know the correct answers to keep your job.

Because many students are killed while getting on and off a school bus each year.

Because only high school students understand how to cross the road.

Because motorists ignore students walking to school.

25 / 40

With Division 1.1, 1.2, or 1.3 Class A or B, how close can you park to a bridge, tunnel, or building?

Do not park within 300 feet.

Do not park within 500 feet.

Do not park within 100 feet.

Do not park within 200 feet.

26 / 40

What are the liquid tight separations between compartments inside tanks called?

Layers

Bulkheads

None of the answers listed

Waffles

27 / 40

You should make sure the_____before backing under a trailer.

tractor shut off valve is normal

landing gear is fully raised

air brakes have been shut off

trailer brakes are locked down

28 / 40

What gauge on the dashboard indicates electrical system charging rate?

The coolant pressure gauge

The ammeter/voltmeter

The power gauge

The air gauge

29 / 40

A drawbridge does not have a traffic light showing green or a traffic control attendant. How many feet before the draw of a bridge must a bus driver stop?

At least 50 feet.

At least 100 feet.

At least 75 feet.

At least 25 feet.

30 / 40

What is the best way to see the sides and rear of your vehicle?

rear view cameras

your mirrors

all of these answers are correct

a helper

31 / 40

How do you check the air compressor governor "cut in" and "cut out" pressures?

run the engine at a fast idle

decrease the tank pressure by stepping on and off the brake

monitor the air pressure gauge

all of these answers are correct

32 / 40

For emergency braking when driving a double trailer and having to use your brakes to avoid a collision is to:

use the engine brake

use just the trailer brakes

use stab or controlled braking

apply a firm pressure to the brake pedal and don’t let off

33 / 40

What will happen should a driver cross the air lines when hooking up the an older trailer?

the brake pedal will activate the trailer spring brakes instead of the air brakes

none of the answers listed

the hand valve will activate the tractor brakes instead of the trailer brakes

if there are no spring brakes, you can drive on but there will be no trailer brakes

34 / 40

To transport cargo safely, which of these are you NOT responsible for?

recognizing possible overloads

inspecting the cargo

making sure that cargo is properly secured

ensuring the freshness of sealed cargo

35 / 40

Select the true statement in regards to if a glad hand on the blue air line is missing a seal.

there may be a service line air leak

you should remove one from the red air line to use as a temporary replacement

it is not a big problem

there may be an emergency line air leak

36 / 40

How many different hazard classes are there?

37 / 40

If you are carrying Division 1.2 or 1.3 materials, how far away must you park from the traveled portion of the roadway?

At least five feet

At least ten feet

At least half a mile

At least twenty feet

38 / 40

A commercial motor vehicle (CMV) is defined as:

a vehicle with a gross weight over 26,001 lbs

a vehicle transporting hazardous materials

all of these answers are correct

a vehicle transporting 16 or more passengers

39 / 40

A slack adjuster is:

a lever that connects the brake drum to the brake shoe

a lever that connects the brake camshaft with the brake chamber

a lever that connects the return spring and the brake chamber push rod

a lever that connects the brake chamber push rod with the foundation brake camshaft

40 / 40

Remember to____when connecting the converter dolly to the rear trailer.

ensure that the landing gear is slighty off of the ground

all answers listed

lock the trailer brakes

check the trailer height

Your score is

The average score is 0%

5/5 - (3 votes)

CDL Category Practice Tests

CDL Practice Test

How To Get A north carolina Commercial Drivers License

To be eligible for a CDL in North Carolina, applicants must meet the following age eligibility requirements.

Be at least 18 years old to operate a commercial vehicle intrastate (within North Carolina only).
Be at least 21 years old to operate a commercial vehicle interstate (outside of North Carolina).

North Carolina applicants must provide proof that they are medically fit to operate a commercial vehicle and pass a vision test. Applicants are required to submit the following documents.

(Form CDL-MED-1) Medical Certification of Driver Type or Commercial Driver’s License
Medical Card
Full Medical Report (depending on the circumstances)

Drivers who have had their licenses revoked, suspended, denied or canceled are not eligible for a CDL in North Carolina. Applicants can be disqualified from the application process for having multiple licenses.

North Carolina CDL Endorsements
H – Hazmat Vehicles
N – Tank Vehicles
P – Passenger Vehicles
S – School Bus
T – Double or Triple Trailer

Hit the Open Road

north carolina CDL License Test Tips

All North Carolina CDL applicants must pass the general knowledge test prior to taking the skills test. The general knowledge test consists of 50 questions. To pass the North Carolina test, applicants must score 80 percent or higher. Applicants who require additional endorsements must pass additional tests and pay the required fees. The North Carolina skills test can be taken 14 days after applicants pass the knowledge test. It includes a pre-trip vehicle inspection, basic control skills and on-road driving. Applicants must pass each section.

Military veterans who were discharged within 1 year of the application and current military members can apply to have the skills exam waived if they meet the requirements. To qualify for a waiver, applicants must:

Be active duty military personnel.
Have operated a motor vehicle equivalent to a commercial motor vehicle in the military within 2 years of the application date.
Submit a Certification for Waiver of CDL Skills Test for Military Personnel.

Additional Information

Information on the North Carolina Department of Transportation

The North Carolina Department of Transportation provides administers CDL license requirements in North Carolina. To get more information contact them via:

Website: https://www.ncdot.gov/dmv/license-id/driver-licenses/commercial/Pages/default.aspx

Phone: 915.715.7000

Additional North Carolina CDL Helpful Links

Please use the links below to access more valuable North Carolina CDL testing resources and to learn more about practice driving tests for the state of North Carolina.

north carolina CDL Practice Test

CDL Category Practice Tests

CDL Practice Test

How To Get A north carolina Commercial Drivers License

Hit the Open Road

north carolina CDL License Test Tips

Additional Information

Information on the North Carolina Department of Transportation

Additional North Carolina CDL Helpful Links

north carolina
CDL Practice Test