washington
CDL Practice Test

Welcome to our CDL practice test site as you attempt to obtain your CDL in Washington. Our practice questions are designed to be similar to questions you would encounter on the CDL Knowledge Test. You can take these practice test questions as many times as you like, and the site is free to use as you prepare to take the CDL test in Washington. 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

How do you secure a second trailer to your combination vehicle?

none of the answers listed

use emergency air brakes, spring brakes, and wheel chocks together

use the emergency air brakes or the trailer's spring brakes only

use wheel chocks only

2 / 40

When should you not use the parking brakes?

when the brakes are hot

when air pressure is low

while on a steep hill

while in hot weather

3 / 40

To decide which placards you need, if any, what three things do you need to know?

Packing group numbers, amount being shipped, and amount of all hazardous materials of all classes on your vehicle.

Materials hazard class, amount being shipped, and amount of all hazardous materials of all classes on your vehicle.

Materials hazard class, location being shipped, and amount of all hazardous materials on your vehicle.

Materials hazard class, percentage of total volume, and amount of all hazardous materials on your vehicle.

4 / 40

What is the next step after securing the bus when you have an unruly child on board?

Remove the student from the vehilce for the safety of the other children.

Call school administrator or the police to remove the student.

Unload the student at the next stop.

Stand up and speak respectfully to the offender, if a change of setting is needed, have the student move to a seat near you.

5 / 40

Tankers used to transport hazardous materials on vehicles must be marked with:

The un or na id number of the product.

The chemtrec phone number.

The owner's puco or icc number.

The date of manufacture.

6 / 40

Mirrors with a convex surface or "spot" mirrors _____.

make things look farther away and smaller than they actually are

they show a larger area than flat mirrors so do not need to be checked as often

make things look closer and larger than they actually are

are illegal in most states

7 / 40

Select the action that is not recommended when driving on slippery roads:

use a speed retarder or engine brake

use a light pressure with the the brake and accelerator pedals

keep other drivers out of your side space

none of the answers listed

8 / 40

Select the definition of "off-tracking."

it is wheen the rear wheel skid and the front wheels maintain a straight path

it is when the rear wheels of the vehicle follow a different path way than that of the front wheels

none of the answers listed

it is when the trailer wheels go in a different direction from the front wheels

9 / 40

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

ride the brakes

shift down 2 gears

accelerate

pump the brakes

10 / 40

Select the factor that has no effect on how much liquid you can carry:

The density of the liquid.

How much the liquid will expand in transport.

The liquid's weight.

The legal amount of weight you can carry of any particular liquid.

11 / 40

The best way to have control on curves is:

you do not need to do anything different

keep pressure on the brake pedal through the turn

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

to shift to a lower gear before entering the curve

12 / 40

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

Talking with riders while driving.

Refueling in a closed building with riders on board.

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

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

13 / 40

You do not have to stop at railroad crossings, but must slow down and carefully check for other vehicles:

Where a policeman or flagman is directing traffic.

All of these answers are correct.

At crossings marked as "exempt" or "abandoned".

If a traffic signal is green.

14 / 40

Which trailer is more likely to roll over when pulling 3 trailers?

the last trailer

the tractor

the second trailer

the first trailer

15 / 40

Select how brakes work on long, steep downgrades:

it is the main braking mechanism

it does not do anything

it's the main braking mechanism with the engine braking system available for emergency situations

they are a supplement to the braking effect of the engine

16 / 40

Placarded vehicles must carry which type of fire extinguisher?

A-B fire extinguisher

B-C fire extinguisher

C-D fire extinguisher

Hazmat extinguisher

17 / 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?

the emergency air line will release air

the service brakes will move to a fully applied position

you should hear air escape from the open valve

none of the answers listed

18 / 40

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

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

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

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

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

19 / 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, walk through the bus and close all windows.

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

If time allows, notify the police.

20 / 40

How often should you check your cargo?

all of these answers are correct

after every break you take during driving

within the first 50 miles after beginning a trip

every 150 miles or every three hours

21 / 40

What is the brake system that applies and releases the brakes when the brake pedal is used?

lock brake system

none of the answers listed

engine brake system

service brake system

22 / 40

The best way to describe a dual air brake system is:

there are 2 separate air brake systems that supply air to the trailer if there is one

there is a primary and secondary system that is 2 separate air brake systems

there are 2 separate air brake systems that have their own hoses, lines etc

all of these answers are correct

23 / 40

Which of the following is a clue another driver is impaired:

Stopping at a green light, or waiting too long at a stop.

Exiting the interstate when there's no gas station visible.

Open window in warm weather.

All of these answers are correct.

24 / 40

Play of the steering wheel should not exceed:

5 degrees

10 degrees

15 degrees

30 degrees

25 / 40

All standing riders must stay:

Forward of the rear of the driver's seat.

Within two feet of an emergency exit.

In front of the standee line.

Behind the standee line.

26 / 40

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

take a walk around the vehicle to make sure it is clear of obstructions

double check to make sure the trailer brakes are off

have a random pedestrian direct your path of travel

supply air to the trailer system and then pull the air supply knob out

27 / 40

It is very important that you never smoke around which hazard classes?

Corrosive, radioactive, dangerous, slippery when wet, inhalation.

All hazard classes.

It is ok to smoke anywhere.

Explosives, flammable gas, oxidizers, flammable solids, flammable liquids.

28 / 40

Which of the following is a necessary qualification for non-bulk packaging?

A maximum capacity of 450 l or less if it is used as a receptacle for liquids.

Maximum net mass of 400 kg, or less than 450 l if used as a receptacle for a solid.

All of these answers are necessary qualifications.

Maximum water capacity of 454 kg or less if used as a receptacle for gases.

29 / 40

While completing the 3rd component of the air brake check of a combination vehicle, at what psi should the tracor protection valve and parking brake valve should pop out?

They should never pop out

70 psi

20 psi

40 psi

30 / 40

Spring brakes are usually held back by_____during normal driving.

pressure of the spring

heat

air pressure

clamps

31 / 40

You can be sure air is supplied to the second trailer by:

while driving at 10 mph apply the hand valve you should stop at the same in the same distance as a single trailer driving at 5 mph

going to the rear of the second trailer and open the emergency line shut off

watch the air gauge for a drop of 30 psi

you should get out and listen for air flowing through the lines

32 / 40

If hazardous material is spilling from your vehicle, do not move your vehicle:

Any more than 500 feet.

Any more than safety required.

In an upwind direction.

Any more that 450 feet.

33 / 40

You must keep shipping papers describing hazardous materials ______.

in a pouch on the driver’s door or in clear view within immediate reach while the seat belt is fastened while driving on the driver’s seat when out of the vehicle

within 100 feet of the hazardous materials at all times

with the bills of lading

in a pouch on the drivers door or in the overhead compartment above the driver’s seat only

34 / 40

What is the stopping distance for a tractor trailer that is traveling at 55 mph on dry pavement?

about 200 feet which is 2/3 of a football field

about 150 feet which is 1/2 of a football field

about 600 feet with is about two football field lengths

about 300 feet which is about a football field length

35 / 40

Class A explosives must not be transported in a combination vehicle if the vehicle includes:

None of these answers are correct.

A 200 inch wheelbase trailer.

A placarded cargo tank.

Two or more trailers.

36 / 40

What might happen if you swing wide to the left before you turn right?

someone might try to pass you on your right

you might damage your leaf springs

all of these answers are correct

someone might try to pass you on your left

37 / 40

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

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

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

38 / 40

While driving at night, which lights should you use as often as you can?

high beams

emergency flashers

low beams

novelty lights

39 / 40

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

For safety required by federal, state, and local laws.

To assist the school principal with their report.

To give the mechanic something to do.

To check for flat tires.

40 / 40

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

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

the process will be faster and easier

you will have more space to maneuver in the lot

damage could occur to the landing gear

Your score is

The average score is 0%

5/5 - (1 vote)

CDL Category Practice Tests

CDL Practice Test

How To Get A washington Commercial Drivers License

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

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

Washington State CDL DOL applicants must be deemed to be physically fit to operate a commercial vehicle and pass a vision test. Applicants are required to submit the following documents.

(Form MCSA-5876) Medical Examiner’s Certificate (This document must be completed by an FMCSA-approved physician.
Self-Certification Document

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 Washington. Applicants can be disqualified for having multiple licenses.

Washington 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

washington CDL License Test Tips

All Washington CDL applicants must pass the general knowledge test prior to taking the skills test. This test consists of 50 questions. To pass the Washington test, applicants must score 80 percent or higher. Applicants who require additional endorsements must pass additional tests and pay the required fees. The Washington 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:

Be active duty or honorably discharged from the military within the past year.
Have at least 2 years of experience operating a commercial vehicle as part of their military duties.
Submit (Form CDL-SK TST WVR) Application for Military Skills Test Waiver.
Submit (Form MCSA-5876) Medical Examiner’s Certificate.
Submit (Form 649-F) Medical Examination Report for Commercial Fitness Determination.

Additional Information

Information on the Washington State Department of Licensing

The Washington State Department of Licensing administers CDL license testing and regulations in Washington. To get more information contact them via:

Website: https://www.dol.wa.gov/driverslicense/cdl.html

Phone: 360.902.3900

Additional Washington CDL Helpful Links

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

washington CDL Practice Test

CDL Category Practice Tests

CDL Practice Test

How To Get A washington Commercial Drivers License

Hit the Open Road

washington CDL License Test Tips

Additional Information

Information on the Washington State Department of Licensing

Additional Washington CDL Helpful Links

washington
CDL Practice Test