virginia
CDL Practice Test

Use this site as a guide to help you prepare for the CDL test in Virginia. Questions on our CDL knowledge exams come from sections of the Virginia DMV CDL manual. You can take these practice test questions as many times as you like, as the site is free to use. 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 does the amount of liquid allowed in the tank depend on?

All answers listed.

The size of the tank.

The legally allowed weight limits.

Whether and how much the liquid will expand during the trip.

2 / 40

A shipper’s certification is best described as _____.

a paper certification from the manufacturer given to the shipper

a paper certification given to the manufacturer from the shipper

a test for shippers that certifies that they are qualified to package hazardous materials

a certification that the package has been prepared according to the rules when the shipper packages hazardous materials

3 / 40

The Emergency Response Guide, ERG, can best be explained as _____.

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

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

4 / 40

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

Works when the rear door is open.

Should be used in place of the parking brake.

Should be used in emergencies.

Releases the brakes.

5 / 40

Select the true statement about speed and stopping distance.

When the road is wet it will double your stopping distance.

None of these answers are correct.

You need two times the stopping distance when driving at 40 mph compared to 20 mph.

Tank surge will decrease your stopping distance.

6 / 40

Is this statement true or false: You do not need to use the parking brake if are leaving your vehicle for a short amount of time.

only when the vehicle has over 60,000 miles on it

true

only when the vehicle has over 25,000 miles on it

false

7 / 40

Where can you find a shipper’s certification?

On the original shipping paper.

It is a separate document that all hazmat drivers must keep in their vehicles.

On all packages.

There is no such thing.

8 / 40

What should you hear when you test the trailer brakes by opening the service air line at rear of trailer with the hand valve on?

the service brakes will move to a fully applied position

none of the answers listed

you should hear air escape from the open valve

the emergency air line will release air

9 / 40

You should look into the back of the fifth wheel on a dolly to see if it is locked onto the kingpin.

false

only in a level loading dock

only at the end of a shift

true

10 / 40

Which of the following statements is FALSE:

Do not tow or push a disabled bus with riders aboard either vehicle, unless getting off the bus would be unsafe.

Do not transport intoxicated passengers.

Do not talk with riders or engage in any other distracting activity while driving.

Avoid fueling your bus with riders on board unless absolutely necessary. never refuel in a closed building with riders on board.

11 / 40

What do you check when doing a visual inspection of the coupling?

that the locking jaw is open around the kingpin and that there is some space between the lower and upper fifth wheel

the locking jaw is closed around the kingpin and there is no space beween the lower and upper fifth wheel

none of the answers listed

that the locking jaw is closed around the kingpin and that there is no space between the upper and lower fifth wheel

12 / 40

An air system that is fully charged will typically have ___ psi of pressure.

250

200

125

13 / 40

What is the brake system that applies and releases the brakes when the brake pedal is used?

lock brake system

service brake system

engine brake system

none of the answers listed

14 / 40

At around____the governor allows the air compressor to start pumping again:

175 psi

225 psi

100 psi

125 psi

15 / 40

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

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

That is designed to carry more than nine passengers.

That has air brakes.

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

16 / 40

What should the driver pay special attention to when driving smaller tanks?

The level of the fluid.

All answers listed.

The high center of gravity.

The distrubition of weight.

17 / 40

Do converter dollies have spring brakes?

yes

none of the answers listed

some do

18 / 40

Air pressure loss in a vehicle with a fully charged air system should be less than_______after the initial drop and brake applied.

3 psi a minute

none of the answers listed

1 psi a minute

4 psi a minute

19 / 40

The bolst, brackets, or bushings that attach the air bag and/or spring to the vehicle and axle frame are _____.

spring mounts

none of the answers listed

lug bolt

shock dampeners

20 / 40

Which of these statements about signaling is correct?

Signal your intentions early and continuously.

Leave your signal on long after you've changed lanes.

Signaling is a warning, not a request.

Signal to others that it is safe to pass your bus.

21 / 40

Where is compressed air stored?

in the compartment for the engine

in the hose lines

in the storage tank

in the gasoline tank

22 / 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

all of these answers are correct

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

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

23 / 40

What are some of the important parts in the steering system?

leaf spring, vehicle frame, torque rod

main spring, axle, spring shackle

tie rod, spindle, pitman arm

rim, lug nuts, tire

24 / 40

Select the true statement about dual air brake systems.

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

there is a single set of brake controls

25 / 40

A shipment described on the Hazardous Waste Manifest may only be delivered to another _______ carrier or treatment facility, who then signs the ______, giving you a copy which you must keep.

responsible, papers

trucking, uniform hazardous waste manifest

registered, uniform hazardous waste manifest

licensed, manifest

26 / 40

How do you check the coolant level?

None of the answers listed.

While wearing rubber gloves and safety glasses.

Inspect the reservoir sight glass or remove the radiator cap if the engine isn't hot.

Remove the radiator cap once it is at operating temperature.

27 / 40

The amount of liquid you can carry depends on:

How much you can legally carry.

How much the liquid will expand during the trip.

The density or weight of the liquid.

All answers listed.

28 / 40

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

250 feet

300 feet

400 feet

200 feet

29 / 40

When transporting explosives you may not park:

Within 5 feet of the traveled part of the road.

Near an open fire.

Within 300 feet of a tunnel.

All of these answers are correct.

30 / 40

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

Unless on a scenic tour bus.

In a closed building.

At any time.

With any window open.

31 / 40

The trailer height is correct for connecting a converter dolly to a second trailer when:

the top of the kingpin lines up with the locking jaws

the trailer will slightly lower when the converter dolly backed under it

the kingpin is resting behind the fifth wheel

the trailer will slightly rise when the converter dolly is backed under it

32 / 40

What are spring brakes?

they are brakes that automatically come on for a truck or trailer when the psi drops too low

they do not function when the psi falls below 30 psi

they are powerful springs that hold back air pressure when driving

all of these answers are correct

33 / 40

What kind of surge occurs with baffles?

Back to front

Bottom to top

Side to side

Circular

34 / 40

Urban mass transit coaches may have a brake and accelerator interlock system. Which of the following statements is true?

Do not use this safety feature in place of the parking brake.

The interlock releases when you close the rear door.

All of these answers are correct.

The interlock applies the brakes and holds the throttle in idle position when the rear door is open.

35 / 40

Off-tracking happens when going around a corner and:

the rear wheels follow a different pathway than that of the front wheels

the rear wheels follow the front wheels in a straight path

the front part of the trailer pulls to the right

the rear part of the trailer goes into the shoulder

36 / 40

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

“faster”

“turn up the music”

“go”

“stop”

37 / 40

The minimum tread depth for steering axle tires is:

14 mm

4/32 inch

None of the answers listed

2/23 inch

38 / 40

You are driving a 60 foot truck at 55 MPH, how much space (in seconds) should you keep in front of you?

6 seconds

5 seconds

7 seconds

8 seconds

39 / 40

Select the true statement about empty trucks:

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

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

they have poor traction due to wheel lockup and bouncing

they have a smaller stopping distance than full trailers

40 / 40

You are checking the_______when looking at the dipstick to see if the lubrication is at the safe operating range or above the refill line.

coolant level

oil level

battery fluid level

washer fluid level

Your score is

The average score is 0%

5/5 - (1 vote)

CDL Category Practice Tests

CDL Practice Test

How To Get A virginia Commercial Drivers License

To be eligible for a CDL in Virginia, applicants must meet the following age eligibility requirements.

Be at least 18 years old to operate a commercial vehicle intrastate (within Virginia only).
Be at least 21 years old to operate a commercial vehicle interstate (outside of Virginia).

Virginia CDL applicants must be certified that they are medically fit to operate a commercial vehicle and pass a vision test. Applicants are required to submit the following documents.

(Form 649-F) Medical Examiner Report
(Form DL-8) Commercial Driver’s License Self-Certification (This form must be completed by a FMCSA-approved medical examiner.

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 Virginia. Applicants can be disqualified for having multiple licenses.

Virginia 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

virginia CDL License Test Tips

All Virginia CDL applicants must pass the general knowledge test prior to taking the skills test. To pass the Virginia test, applicants must score 80 percent or higher. Applicants who require endorsements must pass additional tests and pay the required fees. The Virginia skills test can be taken 14 days after applicants pass the knowledge test if applicants have never applied for a CDL before and they pass a state-approved driver education program. 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 an active member of the military.
Possess a valid Virginia driver’s license.
Have operate a commercial vehicle as part of their military duties.
Have been recently discharged from the military.

Additional Information

Information on the Virginia Department of Motor Vehicles

The Virginia Department of Motor Vehicles administers CDL license testing and regulations in Virginia. To get more information contact them via:

Website: https://www.dmv.virginia.gov/drivers/#whatiscdl.asp

Phone: 804.497.7100

Additional Virginia CDL Helpful Links

Please use the links below to access Virginia CDL testing resources and to learn more about practice driving tests for the state of Virginia.

virginia CDL Practice Test

CDL Category Practice Tests

CDL Practice Test

How To Get A virginia Commercial Drivers License

Hit the Open Road

virginia CDL License Test Tips

Additional Information

Information on the Virginia Department of Motor Vehicles

Additional Virginia CDL Helpful Links

virginia
CDL Practice Test