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

Why should you cover cargo?

because many states require it

to protect your cargo from bad weather

all of these answers are correct

to protect individuals from any spilled cargo

2 / 40

The parking brakes should be used____in air brake vehicles.

only when parked on an incline

as rarely as possible

every time the vehicle is parked

only during post trip inspection

3 / 40

Select the item that is not checked in the engine compartment:

The oil pressure

The level of the oil

The coolant level

The power steering fluid

4 / 40

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

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

it is easier to countersteer compared to other vehicles

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

there are no issues that occur from quick steering

5 / 40

Select the true statement about empty trucks:

they have a smaller stopping distance than full trailers

they have poor traction due to wheel lockup and bouncing

empty trailers are easier to stop because there is not cargo shifting

empty trucks stop in the same distance as a fully loaded truck

6 / 40

When using turn signals, which of the following should be avoided?

signal before you exit

signal when you are merging into traffic

signal when you want to change lanes

signal just before you start to make a turn

7 / 40

You should_____when the low pressure warning is activated:

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

wait until the air brakes kick in automatically

pump the brake pedal to come to a stop immediately

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

8 / 40

Bus drivers must have a CDL if they drive a vehicle:

That has air brakes.

Designed to seat more than 16 or more persons, including the driver.

That has a gross weight rating of more than 26,000 pounds.

That is designed to carry more than nine passengers.

9 / 40

In Column 1 the symbol "I" means:

Invalid substance.

International transportation.

International restrictions.

Iodine.

10 / 40

What are the dividers that are inside tankers that have an opening at the bottom and top?

Baffles

Taffles

Layers

Bulkmets

11 / 40

What must vehicles with air brakes have?

all of these answers are correct

a minimum of 2 air tanks

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

12 / 40

This should be cleaned and then adjusted properly while inside the cab.

The lug bolts

The windshield

The headlights

The mirrors

13 / 40

You should adjust all the outside left and right side convex mirrors to see:

The entire area to the rear of the mirror along the side of the bus.

The children's exit path out of the main bus door.

The right and left front tires touching the ground.

200 feet behind the bus.

14 / 40

If you must stop on the shoulder of the road, you should place warning devices at all of the following places except...

on the other side of a divided highway

within 10 feet of the front or rear corners

about 100 feet in front of your vehicle

about 100 feet behind your vehicle

15 / 40

The air leakage rate for combination vehicles should not be more than _ psi a minute.

16 / 40

When is it best to wear your seat belt?

Only if your bus holds more than 27 people.

Always.

Only if required by company policy.

Only when you will be driving over 35 mph.

17 / 40

Which of the following should you NOT do if you experience a tire failure?

engage the brakes hard and immediately

you need to be aware that a tire has failed

stay off the brake pedal

hold the steering wheel firmly

18 / 40

Which of the following hazard classes utilizes a transport index in order to determine how much of it can be loaded on a single vehicle for transport?

Class 1—explosives

Class 4—live chickens

Class 7—radioactive materials

Class 3—flammable liquids

19 / 40

The sliding mechanism and locking device for a tandem axle on trailers is:

Apron

Suspension system

Locking pins/tandem release arm

Metal frame

20 / 40

What is a king pin?

it is a pin that a driver receives for being a safe driver

it is a pin that locks the trailer to the tractor on the fifth wheel

it is a pin that locks the air brake lines together

it is a pin that holds the wheel on to the axles

21 / 40

How many different hazard classes are there?

22 / 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

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

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

23 / 40

Select the false statement about tractor protection valves.

the trailer air supply valve in the cab controls it

should the trailer air leak, it keeps the air in the tractor

if the air pressure is low it will automatically close

air is allowed to leak from the tractor line when it is closed

24 / 40

The method for testing hydraulic brakes for leaks is to _____.

all of these answers are correct

hold the brake down for 5 seconds and listen for leaks

pump the brake pedal 5 times and apply firm pressure for 3 seconds the pedal should not move

pump the brake pedal 3 times and apply firm pressure for 5 seconds the pedal should not move

25 / 40

You must have placards for explosives, poison gas or flammables exceeding:

10 cartons

100 pounds

10 pounds

Any amount

26 / 40

Cargo tanks ____.

are tanks that the military uses to transport hazardous materials

are bulk packagings permanently attached to a vehicle

are large drums temporarily attached to a vehicle

are large drums used to contain hazmat that is loaded on a trailer

27 / 40

If there is no traffic light or attendant, how far from the draw of a drawbridge must you stop?

50 feet

30 feet

100 feet

5 feet

28 / 40

In what position should the shut off valves on a the rear of the front trailer be in on a set of double trailers?

in an open position

in a halfway open position

in a closed position

in a 1/3 way open position

29 / 40

The brake pushrod should not move more than____for manual slack adjusters.

movement is not allowed

an inch when pulled by hand with the brakes released

1-2 inches while the brakes are set

checking is not required in vehicles built after 1994 as they have automatic slack adjusters

30 / 40

This should have no illegal stickers, dirt, obstructions, or damage to the glass.

None of the answers listed

Mirrors and windshield

The rearview mirror

The headlights

31 / 40

If you do become sleepy while driving, you should _____.

stop to sleep

roll down the windows

drink caffeinated beverages

turn up the radio

32 / 40

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

six

two

one

four

33 / 40

Which of the following is NOT an appropriate reason to flash your braking lights?

to warn drivers behind you when you need to slow down

to alert drivers behind you that there are hazards ahead

to warn vehicles approaching you from behind that you are driving slowly

to signal to tailgaters that they are too close to your vehicle

34 / 40

Do empty trucks have the best braking?

yes, but only if the truck is newer than 1998

yes, but only on wet surfaces

yes

35 / 40

Select the true statement in regards to brake drums or discs:

the linings should fit loosely around the brake shoe

they should always be kept well-greased up

they are not allowed to have any cracks

they should not have cracks that are longer than half the width of the friction area

36 / 40

The longest crack that brake or disc drums can have is:

1/2 inch across in a straight line.

None of the answers listed.

1/2 the width of the friction area.

Cracks are not permitted.

37 / 40

Which of the following statements about special danger of loading and unloading is true?

Students should be told not to use the handrails when exiting the bus due to the possibility of causing a clothing hang up.

Students should be told to remain seated while the bus is in motion.

Students should be told to leave any dropped objects and move to the point of safety out of danger and get the driver's attention to retrieve the object.

Students should be told to pick up any dropped objects as long as it is not under the bus.

38 / 40

Which of the following must be closed while the bus is in motion?

Emergency windows

Roof vents

Both hatches

Windows

39 / 40

When should the trailer hand valve be used?

when parked in a service lot

to test the trailer brakes

all answers listed

when driving at highway speeds

40 / 40

Which of the following statements about downshifting is NOT true?

downshift before starting down a hill

downshift before entering a curve

downshift when you get to the bottom of a hill

downshift before climbing a hill

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