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

At around____the governor allows the air compressor to start pumping again:

100 psi

125 psi

175 psi

225 psi

2 / 40

Select how you would check the truck's slack adjusters.

listen for any strange noises while applying pressure to the brake pedal

brake hard after accelerating

all of these answers are correct

while wearing gloves, pull hard on each slack adjuster that you can reach

3 / 40

You should check that the _____are secure, caps are on tight, and is not leaking.

fuel tanks

cb radio

coolant system

none of the answers listed

4 / 40

What should you check for when inspecting a converter dolly?

that the spare tire is secured if there is one

that the safety chains are secured to the trailer

that the converter dolly air tank drain valve is in the closed position

all answers listed

5 / 40

What position should the tractor protection control valve be in after coupling?

normal

raised

lowered

mid position

6 / 40

On tandem axle for trailers, the sliding mechanism and locking device is:

Fifth wheel

Air brake system

Tandem release (locking pin/arm)

Metal frame

7 / 40

A placarded vehicle must carry what type of fire extinguisher?

One with a rating of 10 a/b minimum.

One with a rating of 5 a/b minimum.

One with a rating of 10 b/c minimum.

One with a rating of 5 b/c minimum.

8 / 40

The method used to make sure the spring brakes will come on automatically is to:

Apply pressure on and off the brake pedal to decrease the air tank pressure. The parking brake knob should pop out when the air pressure drops to 120 psi.

Apply pressure on and off the brake pedal to increase the air tank pressure. The parking brake knob should pop out when the air pressure meets to the manufacturer’s specification.

Apply pressure on and off the brake pedal to decrease the air tank pressure while driving at a high a speed. The parking brake knob should pop out when the air pressure meets to the manufacturer’s specification.

Apply pressure on and off the brake pedal to decrease the air tank pressure. The parking brake knob should pop out when the air pressure meets to the manufacturer’s specification.

9 / 40

How many different hazard classes are there?

10 / 40

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

It is ok to smoke anywhere.

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

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

All hazard classes.

11 / 40

You should___when driving down a long steep hill.

repeatedly pump the brake pedal

use the engine brakes only

begin braking once the vehicle is 10 mph above safe speed

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

12 / 40

Select the true statement about stop valves in a cargo tank:

They will close in an emergency.

They are manually operated.

They protect the piping and tank during rear end collisions.

They will fall off in an emergency.

13 / 40

Select the true statement about seeing ahead.

good drivers will shift their attention from far and near and back and forth

you should look up to 1/4 mile ahead when driving at highway speeds

many individuals do not look far enough ahead while driving

all answers listed

14 / 40

Select when you should use the parking brake:

with rare exception, every time you leave your vehicle

each time you leave your vehicle for any amount of time

when in residential areas

when you are leaving your vehicle for more than an hour

15 / 40

A placarded vehicle must have at least ___ placards?

two

four

six

three

16 / 40

You are driving a 40 foot truck at 35 MPH, how much space (in seconds) should you keep in front of you?

3 seconds

6 seconds

4 seconds

5 seconds

17 / 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 hand valve will stop functioning

the tractor spring brakes will kick on

the trailer tank pressure will be gone

the trailer emergency brakes will kick on

18 / 40

Which of the following types of cargo can never be carrier on a bus with riders?

Emergency tear gas.

Small arms ammunition (orm-d).

Emergency drug shipments.

Emergency hospital supplies.

19 / 40

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

low beams

novelty lights

emergency flashers

high beams

20 / 40

Cargo tanks are:

Only made in one size.

Bulk packaging temporarily attached to your vehicle.

Bulk packaging permanently attached to your vehicle.

Filled while they are off your vehicle, then attached for transportation.

21 / 40

Upon what does the amount of liquid you can carry in a load depend?

All of the answers listed.

The weight of it.

The amount of expansion that will occur.

The legal weight limits.

22 / 40

Select the statement that is true in regards to quick steering movements and triple/double trailers:

there are no issues that occur from quick steering

they flip over due to quick steering movements a lot easier than other vehicles

as you perform quick steering movements you should apply pressure to the brake pedal

it is easier to countersteer compared to other vehicles

23 / 40

You should have the fifth wheel plate greased as recommened because:

it will ensure a good electrical connection

it will ensure a good air line connection

it will reduce noise and heat

it will prevent steering problems

24 / 40

Select the correct setup for shut-off valves:

the front and back shut-off valves are open

the rear shut-off valves are closed and the front trailer valves are open

the front and back shut-off valves are closed

the front shut-off valves are closed and the rear trailer valves are open

25 / 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 half a mile

At least ten feet

At least five feet

At least twenty feet

26 / 40

Tires should should be replaced:

when there are broken valve stems

when the tread separates

all of these answers are correct

if the tread depth on your front tires is less than 4/32 deep

27 / 40

When approaching a school bus stop, you should:

All of these answers are correct.

Activate your overhead amber lights.

Gradually decrease speed until the stop.

Continuously check all mirrors.

28 / 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

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

have a random pedestrian direct your path of travel

29 / 40

You must be alert for road hazards so that:

Law enforcement personnel can be called.

Accident reports will be accurate.

You will have time to plan your escape if the hazard becomes an emergency.

You can help impaired drivers.

30 / 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

0.65

0.85

0.72

31 / 40

Signs of distracted drivers include:

individuals driving at a consistent speed above the speed limit

vehicles exiting the roadway

drivers having conversations with passengers

individuals listening to music too loudly

32 / 40

A bus has a GVWR of 22,000 pounds and seats 24 passengers. What CDL class is this vehicle?

Class C

Class B

Class D

Class A

33 / 40

Select the true statement in regards to the center of gravity for tanks:

The vehicle can handle higher speeds around curves than other large trucks.

The vehicle can turn over even when driving at the posted speed limit for curves.

None of the answers listed.

The center of gravity is generally lower than with other large trucks.

34 / 40

The basic description of a hazardous material includes the hazard class, the identification number, and the proper shipping name. Which one must appear first on the shipping paper?

The box number.

The proper shipping name.

The hazard class.

The identification number.

35 / 40

In the event of an accident you should remember to do the following EXCEPT:

move the victims out of the way immediately

notify authorities

stop any bleeding and keep the victims warm

protect the area

36 / 40

Select how you can tell if your vehicle is equipped with an anti-lock braking system:

the vehicle is manufactured after 1990

the vehicle is manufactured after 1998

the vehicle is manufactured after 2001

the vehicle is manufactured after 2005

37 / 40

The bolst, brackets, or bushings that attach the air bag and/or spring to the vehicle and axle frame are _____.

spring mounts

none of the answers listed

lug bolt

shock dampeners

38 / 40

You need to raise the landing gear just to the height of where it clears the pavement before driving.

only in raining conditions

only in ideal conditions

true

false

39 / 40

Select the true statement in regards to when a bulk tank vehicle stops at an intersection on a slippery surface:

The trailer may slide into the oncoming traffic.

The liquid may leak out of the tank.

The trailer may slide to the side due to the rocking motion.

The movement of the liquid may push the truck into the intersection.

40 / 40

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

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.

The bus abs warning light is on.

A child set off a stink bomb inside the bus.

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