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 gauge on the dashboard indicates electrical system charging rate?

The ammeter/voltmeter

The air gauge

The power gauge

The coolant pressure gauge

2 / 40

When approaching railroad tracks, stop your bus:

Only if you have manual transmission, then proceed with flashers on.

On the tracks so you can see if the train is coming.

15 and 50 feet before railroad crossings.

5-10 feet before railroad tracks.

3 / 40

With the engine cut off and the brakes released the air loss in a straight truck or bus should not be more than:

3 psi in a minute

4 psi in a minute

5 psi in a minute

2 psi in a minute

4 / 40

You should follow behind other vehicles ______when traveling under 40 mph.

at a distance of 1 second for every 15 feet of your vehicle length

as close as possible so other drivers won't cut in front of you

at a distance of 1 second for every 5 feet of your vehicle length

at a distance of 1 seconds for every 10 feet of your vehicle length

5 / 40

A safe haven is:

A place that has been approved to park unattended vehicles carrying explosives.

A place where it is safe to dump any kind of hazardous materials.

The slang term for the last stop at the end of your driving day when carrying hazardous materials.

A place to stay once you have reported your company for illegal activity.

6 / 40

Hazardous materials (that are not forbidden) carried on a bus must be:

Labeled

All of these answers are correct

Carried in a metal box

Stored in the passenger compartment

7 / 40

The two main things to look ahead for while driving are _____.

traffic and road conditions

truck stops and police

fire and flooding

bridges and tunnels

8 / 40

A disruptive passenger:

Should not be discharged where it would be unsafe for them.

Should not be allowed on the bus.

Is not your responsibility.

May be thrown off the bus.

9 / 40

Select the true statement about retest markings:

All answers listed.

It shows what type of inspection or test was completed.

Must have a date of the last retest marked.

They must be stamped on the tank.

10 / 40

What action should you take if there is no phone available and you discover your hazardous materials shipment leaking at a rest stop?

Keep driving for help as quickly as possible.

Leave your truck parked with emergency lights on and walk for help.

Keep driving, slowly and cautiously, until you reach a phone.

Send someone for help with all the necessary information.

11 / 40

What kind of surge can occur in a tank with baffles?

Back to front

Bottom to top

Side to side

All answers listed

12 / 40

Select which is not an engine compartement belt:

An air compressor belt

A power steering belt

A safety belt

A water pump belt

13 / 40

Select the false statement about suspension:

Check for distorted or broken coil springs.

Check for shifted, missing, or cracked leaf springs.

Check to make sure torsion bars and/or arms are lubricated.

Check for broken or cracked spring hangers.

14 / 40

Select the statement that describes how you could damage the landing gear.

back under the trailer at an angle

back under the trailer in a straight path

have the tractor and trailer aligned

have the trailer kingpin centered over the fifth wheel

15 / 40

______is a device that connects the service and emergency air lines between the tractor and trailer.

Relay knife

Top off valves

Service lines

Glad hands

16 / 40

Which of the following statements about overhead space is true?

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

warning lights are always installed on low bridges and overpasses

17 / 40

When approaching a school bus stop, you should:

All of these answers are correct.

Continuously check all mirrors.

Gradually decrease speed until the stop.

Activate your overhead amber lights.

18 / 40

Which of the following statements about downshifting is NOT true?

downshift when you get to the bottom of a hill

downshift before entering a curve

downshift before climbing a hill

downshift before starting down a hill

19 / 40

You should brake on a long steep downgrade hill as a supplement to the braking effects of the engine

when the vehicle is runaway

when the GVCW is above 20,000 lbs

yes

20 / 40

What placards, if any, do you need if your load includes 20 pounds of Division 2.3 gas and 1,001 pounds of flammable gas?

Poison 23 and flammable gas 21.

Just dangerous placards are required.

None, you cannot load these materials together.

Poison 23 and dangerous.

21 / 40

Liquid surge affects the handling of a tanker by:

Decreasing the wind drag.

Allowing you to take tighter turns.

Allowing you to stop faster.

Moving the truck in the direction of liquid flow.

22 / 40

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

Class C

Class D

Class B

Class A

23 / 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 twenty feet

At least half a mile

At least five feet

At least ten feet

24 / 40

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

Instruct the rider to sit next to an open window.

Not allow the rider to do it.

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

Have the rider pay a second fare.

25 / 40

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

The coolant level

The power steering fluid

The level of the oil

The oil pressure

26 / 40

What should you check for when inspecting a converter dolly?

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

that the spare tire is secured if there is one

all answers listed

that the safety chains are secured to the trailer

27 / 40

If there is rust around the nuts, what may it indicate?

They are loose.

They need to be changed out.

There is a leak somewhere.

They are fitted just right.

28 / 40

You must carry a gas mask with you when transporting:

Liquid gas

Chlorine

Flammable materials

Poison

29 / 40

Vehicle handling can become unsafe if the weight is not properly balanced. Hard steering can be caused by:

under loaded front axles

too much weight on the steering axles

too little weight on the driving axles

high center of gravity

30 / 40

A vehicle placarded for Division 1.1, 1.2, or 1.3 explosives:

May never be left unattended under any condition.

May never be parked on private property.

May be left unattended in a safe haven.

May not be parked on the cosignee's property.

31 / 40

There must be a hazardous materials identification number on the ______ and on the ______.

package, trailer

shipping papers, package

invoice, shipping papers

trailer, packages

32 / 40

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

yes

only every 7 days

only at the end of the shift

33 / 40

You should turn off your engine when loading flammable liquid unless:

You are a non-smoker.

You are loading at night and need the headlights.

The material does not need a placard.

You need the engine to run the pump.

34 / 40

Select what you should not do when coupling the glad hands.

clean the couplers before connecting them

make sure to match the colors or check the tags before connecting

press the seals together at a 90 degree angle

cross the air supply lines to test for leaks

35 / 40

What do you need to do to supply air to the air tanks of the second trailer?

close the shut off valves at the back of each trailer

open up the shutt off valves on the rear of the first trailer and close the shut off valve at the back of the second trailer

open the shut off valve at the back of both trailers

none of the answers listed

36 / 40

This component should be checked that it is solid, securely bolted to the tracture frame, and clear of objects.

The catwalk

The locking kingpin

The platform

The fifth wheel

37 / 40

It is good practice to_____when uncoupling.

all answers are appropriate

have the glad hands coupled to the dummy couplers

have the glad hands coupled together

make sure the electrical cable is hanging with the plug end down

38 / 40

You should activate hazard lights within approximately how many feet before railroad crossing?

250 feet

300 feet

400 feet

200 feet

39 / 40

Two causes of tire fires are ______.

under-inflated tires and poor retreads

hot brakes and under-inflated tires

duals that touch and road debris

under-inflated tires and duals that touch

40 / 40

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

all of these answers are correct

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

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

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