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 a railroad crossing, the bus is required to stop at the stop line. If there is no clearly marked stop line, what is the required minimum and maximum stopping distance?

No closer than 15 feet and no further than 50 feet, where you have the best view of the tracks.

No closer than 10 feet and no further than 60 feet, where you have the best view of the tracks.

No closer than 15 feet and no further than 30 feet, where you have the best view of the tracks.

No closer than 10 feet and no further than 40 feet, where you have the best view of the tracks.

2 / 40

What is a technical name?

The name for a hazardous material most commonly used on the street.

The name for a hazardous material most commonly used in the trucking community, accepted as standard.

The medical term for hazardous materials used by medical personnel.

The name for a hazardous material used in scientific journals and texts, recognized as its chemical and microbiological name.

3 / 40

This object should not be worn dangerously thin where visible.

The brake linings

The air system lines

All answers listed

The brake chambers

4 / 40

A tank trailer should never be fully loaded due to:

The baffles aren't as effective.

The liquid can expand causing a leak from the trailer.

The movement is stronger.

The will be more shifting of the load.

5 / 40

When approaching a school bus stop, you should:

All of these answers are correct.

Gradually decrease speed until the stop.

Activate your overhead amber lights.

Continuously check all mirrors.

6 / 40

Select the true statement in regards to an application pressure gauge:

it prevents the brakes from failing

when accelerating it releases air

it is connected to the generator

it shows how much air pressure you are applying to the brakes

7 / 40

Which trailer should be the first one after the tractor?

the trailer that is the shortest in length

the trailer that weighs the most

none of the answers listed

the trailer that weighs the least

8 / 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 two car lengths

about 1/4 mile

about the length of a football field or 100 yards

9 / 40

Do empty trucks have the best braking?

yes, but only if the truck is newer than 1998

yes

yes, but only on wet surfaces

10 / 40

Tankers used to transport hazardous materials on vehicles must be marked with:

The date of manufacture.

The owner's puco or icc number.

The chemtrec phone number.

The un or na id number of the product.

11 / 40

On a drawbridge, you do not need to stop, but must slow down and make sure it's safe, when:

Both of these answers are correct.

None of these answers are correct.

The bridge has an attendant or traffic officer who controls traffic whenever the bridge opens.

There is a traffic light showing green.

12 / 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.

200 feet behind the bus.

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

The right and left front tires touching the ground.

13 / 40

Some city transit buses may have a brake-door interlock system, this system:

Works when the rear door is open.

Releases the brakes.

Should be used in emergencies.

Should be used in place of the parking brake.

14 / 40

Select the true statement in regards to if a glad hand on the blue air line is missing a seal.

it is not a big problem

you should remove one from the red air line to use as a temporary replacement

there may be a service line air leak

there may be an emergency line air leak

15 / 40

Which of the following types of emergency equipment must you have on your bus?

Fire extinguisher, spare electric fuses, and reflectors.

Spare electric fuses, fire extinguisher, and accident reporting kit.

Hydraulic jack, fire extinguisher, and signal flares.

Reflectors, fire extinguisher, and accident reporting kit.

16 / 40

How do you know when your brakes are fading?

your speed increases when pressure is removed from the brake pedal

to control your speed on a downgrade you have to apply less pressure to the break pedal

to control your speed on a downgrade you have to push harder on the brake pedal

the brake pedal flops to the cabin floor

17 / 40

Which of the following is NOT an important reason to look far ahead when you are driving?

determine if there are any upcoming traffic lights that might require you to stop

look for brake lights from slowing vehicles

look for vehicles coming into your lane

determine if there are any hills coming up

18 / 40

It is important to know the outage required for the liquids you carry because:

Some liquids will expand more than others when warm.

None of these answers are correct.

Some of the denser liquids don't need any.

Tank baffles may not always be permitted with outage.

19 / 40

A truck with baffles will handle:

With less front to back surge compared to trailers without baffles.

The same as a tanker with no baffles.

None of the answers listed.

Heavier that it actually is.

20 / 40

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

Metal frame

Fifth wheel

Tandem release (locking pin/arm)

Air brake system

21 / 40

What does the amount of liquid you can carry depend on?

The center of gravity.

The outage of the liquid.

The material the baffles are made from.

The vehicle's horsepower rating.

22 / 40

You should expect____when backing a tractor under a trailer.

the trailer landing gear to be fully extended

the trailer to be completely still

the trailer to lift slightly

the end of the kingpin to be level with the top of the fifth wheel

23 / 40

How much space should there be between the lower and upper fifth wheel?

zero

1/4 to 1/2 of an inch

it is dependent on the load you are carrying

1 to 2 inches

24 / 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 hour or 75 miles.

Check tires every 3 hours or 150 miles.

Check tires every 4 hours or 200 miles.

25 / 40

Which of the following is something the driver must watch for:

Poles and tree limbs at stops.

Appropriate clearance around and over the bus.

Gaps your bus needs to accelerate and merge with traffic.

All of these answers are correct.

26 / 40

At the end of each shift you should:

All of these answers are correct.

Report any defects.

Report any damage.

Inspect your bus.

27 / 40

What is the movement of the liquid called when the tanks are partially filled?

Surging

Framing

Knocking

Crashing

28 / 40

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

stop to sleep

roll down the windows

drink caffeinated beverages

turn up the radio

29 / 40

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

15 to 50 feet

50 to 75 feet

10 to 35 feet

100 feet exactly

30 / 40

The system that needs to be checked for signs of leaks with rust or carbon soot and damage is the _____.

air brake system

exhaust

fifth wheel

none of the answers listed

31 / 40

What is the first thing to do if your vehicle catches fire while driving?

open the hood and let the flames die down

open the door and jump out of the vehicle

find a service station to pull into

pull off the road and park in an open area

32 / 40

What are you checking when looking at the lubrication level on a dipstick?

The windshield wiper fluid level

The power steering fluid level

The horn fluid level

The oil level

33 / 40

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

downshift

put the gears in neutral

look for an escape ramp or an escape route

pump the brake pedal

34 / 40

Select the true statement in regards to driving a truck with triple or double trailers:

all answers listed

extra care should be taken when driving in bad weather and in the mountains

the truck requires increased following distance compared to smaller vehicles

the risk of trailer jackknifes and tipping is increased compared to shorter trucks

35 / 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 5 b/c minimum.

One with a rating of 10 b/c minimum.

36 / 40

Which of the following statements is FALSE?

anti-lock braking systems (ABS) only activate when wheels are about to lock

if a tire blows, you should put the brakes on hard to stop quickly

you can almost always turn to miss an obstacle more quickly than you can stop

stopping is not always the safest thing to do in an emergency

37 / 40

The best way to describe a dual air brake system is:

there are 2 separate air brake systems that have their own hoses, lines etc

there are 2 separate air brake systems that supply air to the trailer if there is one

all of these answers are correct

there is a primary and secondary system that is 2 separate air brake systems

38 / 40

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

Side to side

All answers listed

Bottom to top

Back to front

39 / 40

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

All of these answers are correct.

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

Be closed when operating the bus.

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

40 / 40

Select the true statement about emergency brakes:

they are required to be held on by a mechanical force

they are required to be activated the loss of air pressure

all of these answers are correct

they are required on all commercial vehicles

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