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

Drivers placard their vehicle to _____ the risk.

communicate

take away

minimize

elevate

2 / 40

You should look into the back of the fifth wheel on a dolly to see if it is locked onto the kingpin.

only in a level loading dock

false

only at the end of a shift

true

3 / 40

When accelerating:

always use the parking brake to slow down

speed up smoothly and gradually and avoid jerking

"hammer down" when your wheels start to spin

do not engage the clutch before you take your foot off the brake

4 / 40

When arriving at the destination announce:

The reason for stopping.

The next departure time.

The location.

All of these answers are correct.

5 / 40

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

aggressively pump the accelerator

shift to neutral

apply the parking brake

fully engage the clutch

6 / 40

When is it acceptable for non-hazardous materials to be described by hazard class words or identification numbers?

For hazards not described in the hazmat manual

Always

During an emergency

Never

7 / 40

Which of the following would NOT be part of a standard vehicle inspection?

steering system defects

seating defects

tire problems

bad brake drums or shoes

8 / 40

Operating a motor vehicle with the intent of doing harm to others or physically assaulting a driver or their vehicle is known as?

defensive driving

road rage

tailgating

aggressive driving

9 / 40

Which of the following statements about the bus interior is false?

If you use your outside lights, you don't need to turn on red emergency door light.

If there is a red emergency door light, it must work.

The seats must be safe for riders all seats must be securely fastened to the bus.

Never drive with an open emergency exit door or window.

10 / 40

The Emergency Response Guide, ERG, can best be explained as _____.

a guide explaining what materials can be hauled together in the same vehicle

a guide explaining what materials can be hauled together in the same vehicle and a guidebook for firefighters, police, and industry workers on how to protect themselves and the public from hazardous materials

none of these answers are correct

a guidebook for firefighters, police, industry workers, truck drivers, dock workers, and shippers on how to protect themselves and the public from hazardous materials

11 / 40

Who is responsible for packaging, labeling, and preparing the hazardous material shipping papers for a common carrier?

The driver

The carrier

The shipper

Your spouse

12 / 40

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

The liquid's weight.

The density of the liquid.

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

How much the liquid will expand in transport.

13 / 40

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

A placarded cargo tank.

A 200 inch wheelbase trailer.

None of these answers are correct.

Two or more trailers.

14 / 40

A slack adjuster is:

a lever that connects the brake drum to the brake shoe

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

a lever that connects the brake camshaft with the brake chamber

15 / 40

A tractor should not be backed under a trailer until the whole air system is:

at half of its normal pressure

at a level of 50 and 70 psi

at a level of 70 and 90 psi

at a normal pressure

16 / 40

What are you checking when looking at the lubrication level on a dipstick?

The windshield wiper fluid level

The power steering fluid level

The horn fluid level

The oil level

17 / 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?

70 psi

They should never pop out

20 psi

40 psi

18 / 40

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

all answers listed

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

19 / 40

Select when you should use the parking brake:

when in residential areas

each time you leave your vehicle for any amount of time

with rare exception, every time you leave your vehicle

when you are leaving your vehicle for more than an hour

20 / 40

Select the true statement in regards to converter dollies:

they typically do not have spring brakes

they typically have a lot of stopping power because of their size

they typically require a hand converter

they typically have small braking power because of their size

21 / 40

What will probably happen if the converter dolly is still under the second trailer and the pintle hook is unhooked?

nothing will happen

the dolly tow bar could fly up

the air lines will explode

the engine brakes will unlock

22 / 40

You should check your tires every ____ or every ____ when driving in very hot weather.

1 hour, 50 miles

5 hours, 250 miles

3 hours, 200 miles

2 hours, 100 miles

23 / 40

What color are all school buses painted?

Florescent yellow.

National school bus yellow.

The individual district decides the exact color.

Orange yellow.

24 / 40

The transport index of a radioactive material:

None of these answers are correct.

Tells the degree of control needed during transportation.

Is another way of writing the weight of the package.

Is something that only the shipper needs to worry about.

25 / 40

What is the purpose of a driver placarding his or her vehicle?

Communicating risk.

Warning those with children to drive in another lane.

Forcing other drivers to stay 20 feet away in every direction.

Giving people something interesting to look at while driving.

26 / 40

Which of the following statements about overhead space is true?

the weight of the cargo changes a truck's height

athe heights posted at bridges are usually accurate

an empty van is lower than a loaded one

warning lights are always installed on low bridges and overpasses

27 / 40

To maintain alertness during the trip, drivers should:

avoid medications that cause drowsiness

get 8-9 hours of sleep

all of these answers are correct

schedule trips during the daytime hours

28 / 40

Should the air pressure in the service air tanks fall below____the driver must be alerted via warning mechanism in the truck cab.

80 psi

50 psi

30 psi

60 psi

29 / 40

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

clutch brake system

service brake system

parking brake system

emergency brake system

30 / 40

What is most likely to occur when driving a tanker truck and the front wheels begin to skid?

The surge will disconnect the tank from the truck.

No matter how you steer, you will continue in a straight line.

Nothing will occur.

The tank will roll over.

31 / 40

Is it important to look into the back of the fifth wheel to see if the lockpin is locked in?

only every 7 days

only at the end of the shift

yes

32 / 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

none of the answers listed

keep other drivers out of your side space

33 / 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 25 feet.

At least 75 feet.

At least 100 feet.

34 / 40

Where is compressed air stored?

in the hose lines

in the storage tank

in the gasoline tank

in the compartment for the engine

35 / 40

A tank trailer should never be fully loaded due to:

The will be more shifting of the load.

The baffles aren't as effective.

The movement is stronger.

The liquid can expand causing a leak from the trailer.

36 / 40

Remember to_____to prevent rollovers.

all answers listed

have the load as low to the ground as possible

have the load centered

drive slowly around turns

37 / 40

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

Waffles

Layers

None of the answers listed

Bulkheads

38 / 40

There are 2 reasons as to why hauling liquids take special care. One reason is the ___center of gravity.

long

high

low

narrow

39 / 40

When this item is missing or loose, movement may occur between the fifth wheel assembly and the frame.

Locking jaw

Tandem release arm

Lug nuts

Locking pins

40 / 40

On a bus, you may sometimes haul small-arms ammunition, emergency shipments of drugs, or hospital supplies. The total weight of all such hazardous materials must not be greater than:

250 pounds

300 pounds

100 pounds

500 pounds

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