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

What are spring brakes?

they are large springs that are held closed by air pressure if the air pressure is increased the brakes are applied

they are big springs with air pressure in them if the air pressure decreases, the brakes are applied

none of the answers listed

they are powerful springs that are restrained by air pressure when the air pressure is removed, the brakes are applied

2 / 40

If you have riders on board, you must never refuel:

At any time.

With any window open.

In a closed building.

Unless on a scenic tour bus.

3 / 40

If there is not a sight glass to check the oil level you are required to look for leaks around the _____.

axle seals/hub oil

brake pads

wheel rims

transmission

4 / 40

Play of the steering wheel should not exceed:

30 degrees

15 degrees

10 degrees

5 degrees

5 / 40

Select the true statement in regards to the braking power of spring brakes.

it will not be affect by the condition of the service brakes

it depends on the adjustment of the service brakes

the braking prower increases when the brakes are hot

braking power can only be tested by licensed mechanics

6 / 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 hazard class.

The box number.

The proper shipping name.

The identification number.

7 / 40

Why should you know the outage?

Just in case you become a contestant in a trivia competition.

Baffles are not always permitted with certain types of liquids.

Heavier liquids don't require outage.

Liquids expand different amounts.

8 / 40

____is the most common type of foundation brakes used by heavy vehicles.

None of the answers listed

Wedge drum

S-Cam drum

Rectangle brakes

9 / 40

When there is a hazardous materials emergency. You should:

Prevent smoking and keep open flames away.

Contact emergency authorities.

Keep people away and warn them of the danger.

All of these answers are correct.

10 / 40

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

someone might try to pass you on your right

all of these answers are correct

you might damage your leaf springs

someone might try to pass you on your left

11 / 40

You may use DANGEROUS placards instead of separate placards for each Table 2 hazard class when:

You have not loaded 2,205 pounds or more of any table 2 hazard class material at any one place (you must use the specific placard for this material).

You have 1,001 pounds or more of two or more table 2 hazard classes, requiring different placards.

The correct answer is not listed.

Both of these conditions must be met.

12 / 40

If a rider wants to bring a car battery or a can of gasoline or kerosene aboard your bus, you should:

Put the materials in the bus's "safe box".

Instruct the rider to sit next to an open window.

Have the rider pay a second fare.

Not allow the rider to do it.

13 / 40

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

double check to make sure the trailer brakes are off

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

have a random pedestrian direct your path of travel

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

14 / 40

After the initial drop, the maximum leakage rates per minute is:

6 psi for a combination vehicle and 5 psi for single vehicle

4 psi for a combination vehicle and 3 psi for a single vehicle

3 psi for combination vehicle and 1 psi for single vehicle

10 psi for combination vehicle and 5 psi for single vehicle

15 / 40

Which of the following must drivers have in their possession while transporting class A or B explosives?

None of these answers are correct.

A gas mask.

The carrier's insurance policy.

The written route plan.

16 / 40

How should you know when to shift?

engine speed and road speed

road speed and wind speed

every 3 to 5 seconds or engine speed

engine speed and the shift indicator light

17 / 40

Drivers placard their vehicle to _____ the risk.

communicate

minimize

take away

elevate

18 / 40

Your bus starts to lean toward the outside on a banked curve, you are:

Driving with bad tires.

Driving on a wet surface.

Driving in the mountains.

Driving too fast.

19 / 40

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

use wheel chocks only

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

20 / 40

Two causes of tire fires are ______.

under-inflated tires and duals that touch

under-inflated tires and poor retreads

hot brakes and under-inflated tires

duals that touch and road debris

21 / 40

You should check____when loading the small tanks of a cargo tank with bulkheads.

the fuel to air ratio

the expansion rate

the weight distribution

none of the answers listed

22 / 40

Do not tow or push a disabled bus with riders aboard the vehicle, unless:

Bus is on a drawbridge.

Getting off the bus would be unsafe.

You are also a class a tow truck driver.

Your employer tells you to.

23 / 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:

0.72

0.65

0.85

0.5

24 / 40

Under which two special conditions should you downshift?

before entering a curve and before going up a hill

before starting down a hill and before going up a hill

before starting down a hill and before entering a curve

if there is an accident and in sudden heavy rain

25 / 40

Check to ensure that____when inspecting the coupling.

the electrical cable is unplugged

there is no slack at all in the air lines

the landing gear handle is free to hang down

there is minimal slack in the air lines

26 / 40

How far before a railroad crossing should you stop your bus?

15 to 50 feet

10 to 35 feet

100 feet exactly

50 to 75 feet

27 / 40

How do you determine if slack adjusters need to be adjusted?

release the parking brakes and service brakes

activiate the parking brake and service brake

pull out the automatic slack adjustment control knob

release the parking brakes and activate the service brakes

28 / 40

Why should you not use the trailer hand brake to straighten out a jack knifing trailer?

none of the answers listed

the trailer wheels caused the skid in the first place once the trailer wheels grip the road again, the trailer will start to follow the tractor and straighten out

the tractor wheels caused the skid in the first place once the trailer wheels grip the road again, the trailer will start to push the tractor and straighten out

this is the only situation in which you should use the hand brake

29 / 40

This object should not be spliced, cut, chafed, or worn through to allow steel braid to show.

The lockjaw

Tires

Mud flaps

Electric/air lines

30 / 40

Which of the following is a recommended procedure when unloading the students?

Let the students begin moving to the front of the bus before it's fully stopped to maximize efficiency.

Position yourself outside of the bus in front of crossover mirror to supervise unloading.

Tell students to remain seated until they are told to exit.

Put the transmission in neutral gear and put on the brakes.

31 / 40

At what pressure is the safety valve in the air compressor tank set to open?

225 psi

125 psi

100 psi

150 psi

32 / 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 75 feet.

At least 50 feet.

At least 100 feet.

At least 25 feet.

33 / 40

You need to be extra careful when driving smooth bore tanks:

All answers listed.

When hauling food or milk products.

When stopping or starting.

When unloading or loading.

34 / 40

Which of the following statements about overhead space is true?

warning lights are always installed on low bridges and overpasses

athe heights posted at bridges are usually accurate

the weight of the cargo changes a truck's height

an empty van is lower than a loaded one

35 / 40

When fueling a placarded vehicle, someone must always be:

Within 10 feet of the pump with a fire extinguisher.

Be at the rear most corner on the vehicle.

At the emergency power shut off for the pump.

At the nozzle, controlling the fuel flow.

36 / 40

Select which vehicles are required to have a low air pressure warning signal:

all vehicles built after 2010

all vehicles built after 2005

they are optional

all operating vehicles with air brakes

37 / 40

The most important hand signal you should agree on with a helper is:

“stop”

“go”

“faster”

“turn up the music”

38 / 40

If your bus has an emergency exit door, it must:

Not have any signs, stickers, or markings anywhere near it.

Have a red electric door light turned on at all times.

Be closed when operating the bus.

All of these answers are correct.

39 / 40

The most dangerous time during the school bus ride is:

When loading and unloading students.

On long bus journeys.

Crossing railway crossing.

When the students become unruly on the bus.

40 / 40

What will occur if you cross the connect the air lines?

there will not be air going to the trailer brakes

the tractor brakes will lock up

the tractor will not be able to move

nothing will occur, it'll funciton as normal

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