west virginia
CDL Practice Test

Use this site as a resource to practice test questions as you prepare for the West Virginia CDL test. The practice test questions cover such topics as air brakes and hazmat transport. You can take these practice test questions as many times as you like, the site is free to use as you prepare to take the CDL test in West Virginia. 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

This carries hydraulic fluid or air to the wheel brake assemby.

Brake lines/hoses

Connector rods

Slack pieces

Brake drums

2 / 40

Overhead inside mirror is used to:

See all of the students.

See the blind spot immediately behind the bus.

See the area where students exit the bus.

Monitor traffic that approaches and enters the blind spot area.

3 / 40

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

rapidly and lightly pump 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

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

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

4 / 40

A shipper’s certification is best described as _____.

a certification that the package has been prepared according to the rules when the shipper packages hazardous materials

a paper certification from the manufacturer given to the shipper

a paper certification given to the manufacturer from the shipper

a test for shippers that certifies that they are qualified to package hazardous materials

5 / 40

What should you hear when you have the hand valve on and are testing the trailer brakes by opening the service air line at the back of the trailer?

the emergency line valve to release air

the service brakes more to a fully applied position

air leaving the open valve

the engine brake to kick on

6 / 40

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

get sleep

do a little exercise

take a cold shower

drink coffee

7 / 40

You should_____when the low pressure warning is activated:

pump the brake pedal to come to a stop immediately

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

wait until the air brakes kick in automatically

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

8 / 40

What must vehicles with air brakes have?

an air pressure gauge that shows how much air is used by the brake chambers for braking

an air pressure gauge that shows the pressure available for braking

all of these answers are correct

a minimum of 2 air tanks

9 / 40

Suspension systems:

keep the steering wheel tight

keep the load secure

keep the brake drums from failing

keep the axles in place

10 / 40

Select what you should not do when coupling the glad hands.

clean the couplers before connecting them

press the seals together at a 90 degree angle

make sure to match the colors or check the tags before connecting

cross the air supply lines to test for leaks

11 / 40

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

Oil pressure

Coolant

Gas tank

Voltmeter/ammeter

12 / 40

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

In order to observe the danger zones around the bus.

In order to clear up blind spots around the bus.

In order to observe the danger zones around the bus and look for the students, traffic, and other objects in this area.

In order to see if small vehicles are driving in the bus blind spots.

13 / 40

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

it does not work as well as the foot brake does

it will cause the tractor to shake

you should only ever use the parking brake

there is a possibility it will make the trailer skid

14 / 40

Select the true statement in regards to the liquid inside of a bulk tank causing a tank truck to roll sideways.

All answers listed.

It can occur when driving through a curve.

It can occur even with baffles inside that slow the flow.

It can occur even when driving at the posted speed limit.

15 / 40

You should expect____when backing a tractor under a trailer.

the trailer landing gear to be fully extended

the end of the kingpin to be level with the top of the fifth wheel

the trailer to be completely still

the trailer to lift slightly

16 / 40

For any flatbed load you must have at least ____ tie downs.

four

one

six

two

17 / 40

The most stable tanker shape is:

Cylindrical

Elliptical

Square

Round

18 / 40

What should you do if you start a trailer skid?

slowly apply a firm pressure to the brakes

release the brakes to get traction back

use your trailer hand brake

quickly step on the brakes

19 / 40

Take extra caution when driving smooth bore tanks during:

Driving into the wind.

All answers listed.

Drive down or up an incline.

Stops and starts.

20 / 40

Where is compressed air stored?

in the storage tank

in the hose lines

in the compartment for the engine

in the gasoline tank

21 / 40

Select the true statement in regards to empty trucks:

they require a shorter stopping distance than a fully loaded trailer

they may have poor traction due to bouncing and wheel lockup

none of the answers listed

they are easier to stop because there isn't cargo shifting in the trailer

22 / 40

The designation RQ identifies the material's:

Reportable quantity

Regulatory quantity

Reference quotient

Regulatory quotient

23 / 40

A leak rate for a straight truck or bus air brake system should not exceed _____psi per minute when the engine is off and the brakes are released.

24 / 40

Cylinders containing compressed gases may only be loaded onto a vehicle without a flat floor or platform if the cylinders are:

In boxes that will keep them from turning over.

All of these answers are correct.

Loaded into racks attached to the vehicle.

Loaded in an upright or horizontal position.

25 / 40

Which of the following statements about downshifting is NOT true?

downshift before climbing a hill

downshift before starting down a hill

downshift when you get to the bottom of a hill

downshift before entering a curve

26 / 40

When transporting explosives you may not park:

Within 300 feet of a tunnel.

Within 5 feet of the traveled part of the road.

Near an open fire.

All of these answers are correct.

27 / 40

If students must cross the street, when they get off the bus, which statement is true?

The student should wait to cross the street until the bus continues on its route.

For crossing, students should make eye contact with the bus driver and wait for the driver's signal that it is safe to proceed.

If the bus is equipped with the crossing gate, the danger of running over the child is eliminated.

When the driver signals that it is safe to proceed, the students must run across the street to reduce the exposure to danger.

28 / 40

There should be ___space between the upper and lower fifth wheel after coupling.

1/30 inch

1/12 inch

1/8 inch

none of the answers listed

29 / 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

30 / 40

You should___when driving down a long steep hill.

repeatedly pump the brake pedal

use the engine brakes only

release the brake once the vehicle is traveling 5 mph below the safe speed

begin braking once the vehicle is 10 mph above safe speed

31 / 40

While completing the 2nd component of the air brake check you are required to turn the electrical power on, begin fanning off the air pressure by rapidly relasing and apply the foot brake and _____.

none of the answers listed

the tractor protection valve and parking brake valve should pop out before air pressure falls below 60 psi for combination vehicles

a low air warning device should sound before the air pressure drops below 40 psi

a low air warning device should sound before the air pressure drops below 60 psi

32 / 40

Select the two reasons as to why special care is needed when driving a tank vehicle:

None of the answers listed.

The danger of surge and the high center of gravity.

The danger of surge and the low center of gravity.

The chance of rollover and of spontaneous combustion.

33 / 40

What product is typically carried in a liquid tank trailer without baffles?

Fertilizer.

Hydrogen peroxide.

Fuel.

Food or milk products.

34 / 40

Which of the following statements about bus evacuation is true?

If time allows, backup to the stop before evacuating the bus.

If time allows, notify the police.

If time allows, notify the dispatcher about evacuation location, conditions, and type of assistance needed.

If time allows, walk through the bus and close all windows.

35 / 40

What type fire extinguisher is required in the power unit of a placarded vehicle?

A ul rating of 15 abc.

Any of these are acceptable.

A ul rating of 5 b/c or above.

A ul rating of 10 b/c or above.

36 / 40

You should decrease to a safe speed before entering a curve and then_____through it.

pump the brakes

ride the brakes

shift down 2 gears

accelerate

37 / 40

After deciding the type of evacuation that is necessary, the next step you must take is:

Dangle the radio microphone out of the driver window for later use.

Notifying the dispatch office of the evacuation.

Opening the emergency exits.

Securing the bus.

38 / 40

Select when you should use the parking brake:

when in residential areas

with rare exception, every time you leave your vehicle

when you are leaving your vehicle for more than an hour

each time you leave your vehicle for any amount of time

39 / 40

Select the true statement in regards to brake drums:

Hold the brake linings and shoes.

They are bolted to the wheels.

All of these answers are correct.

They are located at both ends of the axles of the vehicle.

40 / 40

You should_____to uncouple the converter dolly.

disconnect the safey chains, lower the landing gear, and chock the wheels

chock the wheels, disconnect the safety chains, and then lower the landing gear

lower the landing gear, disconnect the safety chain, and chock the wheels

chock the wheels, lower the landing gear, and disconnect the safey chains

Your score is

The average score is 0%

5/5 - (1 vote)

CDL Category Practice Tests

CDL Practice Test

How To Get A west virginia Commercial Drivers License

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

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

West Virginia CDL applicants must be certified that they are medically fit to operate a commercial vehicle and pass a vision test. Applicants are required to submit the following documents.

(Form DMV-CDL-3) WV Commercial Driver Licensee Medical Self-Certification Affidavit
(Form MCSA-5876) Medical Examiner’s Certificate

Interstate non-excepted (drivers who do not work for the state or federal governments) must meet federal DOT requirements. Intrastate non-excepted drivers must meet the state requirements.

Drivers who have had their licenses revoked, suspended, denied or canceled are not eligible for a CDL in West Virginia. Applicants can be disqualified for having multiple licenses.

West Virginia CDL Endorsements

H – Hazmat Vehicles
N – Tank Vehicles
P – Passenger Vehicles
S – School Bus
T – Double or Triple Trailer
X – Combination Tank Vehicles and Hazmat Vehicles

Hit the Open Road

west virginia CDL License Test Tips

All West Virginia CDL applicants must pass the general knowledge test prior to taking the skills test. To pass the West Virginia test, applicants must score 80 percent or higher. Applicants who require additional endorsements must pass additional tests and pay the required fees. The West Virginia 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 and current military members can apply to have the skills exam waived if they meet the requirements. To qualify for a waiver, applicants must:

Possess a valid West Virginia driver’s license.
Operate a commercial vehicle as part of their military duties.
Have been honorably discharged from the military within the past 6 months.
Submit (Form CDL-ST-WVR) Application for Military Skills Test Waiver.
Submit a valid copy of discharge papers or current military identification.

Additional Information

Information on the West Virginia Division of Motor Vehicles

The West Virginia Division of Motor Vehicles administers CDL regulations in West Virginia. To get more information contact them via:

Website: https://transportation.wv.gov/DMV/Motor-Carriers/CDL/Pages/default.aspx

Phone: 800.642.9066

Additional West Virginia CDL Helpful Links

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

west virginia CDL Practice Test

CDL Category Practice Tests

CDL Practice Test

How To Get A west virginia Commercial Drivers License

Hit the Open Road

west virginia CDL License Test Tips

Additional Information

Information on the West Virginia Division of Motor Vehicles

Additional West Virginia CDL Helpful Links

west virginia
CDL Practice Test