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

How often should you check the tires if your placarded trailer has dual tires?

Check tires every 2 hours or 100 miles.

Check tires every 4 hours or 200 miles.

Check tires every hour or 75 miles.

Check tires every 3 hours or 150 miles.

2 / 40

Select the true statement about convex ("spot") mirrors.

they are against the law in the majority of states

they make things closer and larger than they really are

you do not need to look at them as often as flat mirrors

they make things look farther away and smaller than they actually are

3 / 40

Water is drained from the compressed air tanks because:

braking power is decreased due to the low boiling point of water

to keep the oil in the air compressor clean

the water will over cool the compressor

the water could freeze in cold weather and cause braking failure

4 / 40

Select the correct setup for shut-off valves:

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

5 / 40

How often should you check your cargo?

after every break you take during driving

within the first 50 miles after beginning a trip

every 150 miles or every three hours

all of these answers are correct

6 / 40

The designation RQ identifies the material's:

Reportable quantity

Regulatory quotient

Reference quotient

Regulatory quantity

7 / 40

Which of the following statements about stopping distances is NOT true?

empty trucks require greater stopping distances because they have less traction

trucks traveling on ice or snow require greater stopping distances

brakes, tires, springs and shocks are designed to work best when the truck is empty

trucks traveling at higher speeds require greater stopping distances

8 / 40

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

wheel rims

axle seals/hub oil

transmission

brake pads

9 / 40

If students must cross the street, when they get off the bus, which statement is true?

The student should wait to cross the street until the bus continues on its route.

If the bus is equipped with the crossing gate, the danger of running over the child is eliminated.

When the driver signals that it is safe to proceed, the students must run across the street to reduce the exposure to danger.

For crossing, students should make eye contact with the bus driver and wait for the driver's signal that it is safe to proceed.

10 / 40

What does the service brake system do?

they are part of an official vehicle inspection

they are only on vehicles that have hydraulic brakes

under normal driving it applies and releases the brakes by using the brake pedal

they are valves that maintain air tank pressure

11 / 40

Select why you should not use the trailer hand valve while driving:

it does not work as well as the foot brake does

you should only ever use the parking brake

there is a possibility it will make the trailer skid

it will cause the tractor to shake

12 / 40

What should you do if the low air pressure warning comes on for only one system in a truck or bus that has a dual air brake system?

decrease your speed and test the other system

continue on with your trip

decrease your speed and head to the closest mechanic

stop and safely park your vehicle only continue once the issue has been resolved

13 / 40

The belt that you need to make sure is securely mounted, without frays, and adjusts and latches properly is the:

The seat/safety belt

The water pump belt

The air compressor belt

The power steering belt

14 / 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

30 psi

60 psi

50 psi

15 / 40

Where are the two main places where the hazardous material identification number appears?

On the package and on paperwork at the shipping point of origin.

On the shipping papers and on a secret document in the driver's wallet.

On the shipping papers and on the package.

On the package and on paperwork at the shipping destination.

16 / 40

While driving on a clear night with low beam headlights, you should be able to stop within:

Half of a football field.

The distance you will travel in the next 20 seconds.

The distance you can see ahead of you.

2 lengths of your vehicle.

17 / 40

In what location must you keep your shipping papers which describe any hazardous materials?

In a fire-safe pouch under the driver's seat that you can reach while you are driving.

In a fire-safe pouch under the passenger seat while you are driving.

In a locked glove compartment anytime you are outside of the vehicle.

On the driver's seat anytime you are outside of the vehicle.

18 / 40

With the controlled braking method, you _____?

lightly apply braking pressure

apply the brakes as hard as you can without locking the wheels

apply the brakes all the way until the wheels lock up, release the brakes and apply them again when the wheels start to roll again

repeatedly tap the brakes as fast as you can

19 / 40

A placard is required for a combustible liquid at?

1,001 pounds or more

100 gallons

Any amount

110 gallons

20 / 40

Check to ensure that____when inspecting the coupling.

the landing gear handle is free to hang down

there is minimal slack in the air lines

the electrical cable is unplugged

there is no slack at all in the air lines

21 / 40

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

The weight of it.

The legal weight limits.

The amount of expansion that will occur.

All of the answers listed.

22 / 40

When driving tank vehicles you should:

Decrease your speed before entering a curve and then accelerate through it.

Come to a stop before entering a curve and then accelerate through it.

None of the answers listed.

Maintain the posted speed limit as you enter the curve.

23 / 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

none of the answers listed

open the shut off valve at the back of both trailers

24 / 40

Select the true statement about dual air brake systems.

there is a single set of brake controls

all of these answers are correct

there is a primary system and a secondary system

one system controls the front axle and the other controls the rear axle

25 / 40

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

Back to front

Bottom to top

Side to side

All answers listed

26 / 40

The direction of liquid movement not prevented by baffles is:

None of the answers listed.

Back to front.

Bottom to top.

Side to side.

27 / 40

Your vehicle is going down a long hill and your brakes begin to fail. What should you do?

pump the brake pedal

put the gears in neutral

downshift

look for an escape ramp or an escape route

28 / 40

Which of the following is a necessary qualification for non-bulk packaging?

All of these answers are necessary qualifications.

Maximum net mass of 400 kg, or less than 450 l if used as a receptacle for a solid.

A maximum capacity of 450 l or less if it is used as a receptacle for liquids.

Maximum water capacity of 454 kg or less if used as a receptacle for gases.

29 / 40

Select the statement that best describes what the service line is for.

it is controlled by the trailer hand brake and carries air

it is controlled by the foot brake or trailer hand brake and carries air

all answers listed

it is controlled by the foot brake and carries air

30 / 40

This object should not have any missing parts, be fully raised, the crank handle is secured, and that there is no damage to the frame.

Release arm

Landing gear

Lifts/doors/tires

Drop arm

31 / 40

You should place the starter switch key into your pocket while you are performing the pre-trip inspection because:

all of these answers are correct

it could damage the starting mechanism

someone could steal the truck

someone could start and move the truck

32 / 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

33 / 40

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

Top off valves

Service lines

Glad hands

Relay knife

34 / 40

You should never brake and should rely only steering inputs to avoid a crash while driving a tanker truck.

True, but only in ideal conditions

True

True, but only on downgrades

False

35 / 40

"Outages" is the word to describe the amount of space required for liquids to expand in as they warm.

False, it's when the vehicle air braking system fails in some way

False, it's when the vehicle power system fails in some way

False, it's when the vehicle engine fails in some way

True

36 / 40

At 55 miles-per-hour it takes about 6 seconds to stop a fully loaded truck and the braking distance is:

about two truck lengths

about 1/4 mile

about two car lengths

about the length of a football field or 100 yards

37 / 40

The correct trailer height when coupling the rear trailer is:

there is 5 inches of space between the lower and upper fifth wheel

slightly lower than the center of the fifth wheel

when the locking jaws are open around the kingpin

the kingpin is touching the fifth wheel

38 / 40

You should decrease to a safe speed before entering a curve and then_____through it.

accelerate

shift down 2 gears

ride the brakes

pump the brakes

39 / 40

Is it mandatory that all vehicles with air brakes have low air pressure warning signals?

for large vehicles only

yes

for small vehicles only

40 / 40

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

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

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

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

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

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