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

Select the true statement in regards to your brake function when your ABS fails

you will have no control over your truck as the brakes will not be functioning

there is a huge fire risk

the abs will need to be repaired but the brakes will function normally

you will need to pull over immediately

2 / 40

Select the true statement in regards to handing triples and doubles

none of the answers listed

a sudden movement of the steering wheel may result in the rear trailer tipping over

due to the crack the whip effect, the rear trailer of a 100 foot triple is less likely to tip than a single trailer

due to off tracking, a triple bottom rig can come to a stop quicker than a 5 axle semi trailer

3 / 40

The emergency air line is _____and the service air line is____.

white, blue

red, blue

yellow, white

red, green

4 / 40

Select the two reasons as to why special care is needed when driving a tank vehicle:

The danger of surge and the low center of gravity.

The danger of surge and the high center of gravity.

The chance of rollover and of spontaneous combustion.

None of the answers listed.

5 / 40

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

Send someone for help with all the necessary information.

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

Keep driving for help as quickly as possible.

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

6 / 40

Do converter dollies have spring brakes?

none of the answers listed

some do

yes

7 / 40

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

Suspension system

Metal frame

Apron

Locking pins/tandem release arm

8 / 40

Select the reason as to why air tanks need to be drained:

tanks usually do not need to be drained

to release water and other contaminents which may cause brakes to fail in freezing weather

to prevent the left sided brake from locking up

to provide greater control of your vehicle

9 / 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 7—radioactive materials

Class 4—live chickens

Class 3—flammable liquids

10 / 40

Select the true statement about handling triples and doubles:

because of the crack the whip effect, the rear trailer of a 100-foot triple is less likely to tip over

a tip over of the rear trailer can occur due to sudden movements of the steering wheel

due to off-tracking, a triple bottom rig can come to a stop faster than a 5-axle tractor

triples and doubles handle the same as singles

11 / 40

When driving in very hot temperatures, you should:

all of these answers are correct

let your tires cool down (remain stopped) if they are too hot to touch

check your tires every 2 hours or every 100 miles

insure that you have enough antifreeze in the system

12 / 40

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

The air compressor belt

The power steering belt

The seat/safety belt

The water pump belt

13 / 40

Select how you can tell if your vehicle is equipped with an anti-lock braking system:

the vehicle is manufactured after 2001

the vehicle is manufactured after 1998

the vehicle is manufactured after 2005

the vehicle is manufactured after 1990

14 / 40

A placard is required for a combustible liquid at?

1,001 pounds or more

110 gallons

100 gallons

Any amount

15 / 40

A driver of a tank vehicle should take curves, off ramps, and on ramps at a speed lower than the posted speed limit.

True

True but only in rainy conditions

True but only in ideal conditions

False

16 / 40

What is the benefit of ABS?

it provides an added layer of safety for truck drivers

it decreases your stopping distance

it prevents the wheels from locking up during heavy braking or slippery conditions

all of these answers are correct

17 / 40

Select the inappropriate way to test for the low pressure warning signal.

ask for a pedestrian to listen for the signal

turn off the engine

decreased the air pressure by stepping on and off the brake pedal

have the electrical power on

18 / 40

Make sure____when the front trailer supports are up and the trailer is sitting on the tractor.

there is enough space for clearance between the nose of the trailer and the tops of the tractor tires

neither of the answers listed

both of the answers listed

there is enough space for clearance between the landing gear and the tractor frame

19 / 40

Which of the following statements is FALSE:

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

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

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

Do not transport intoxicated passengers.

20 / 40

Select how you would check the truck's slack adjusters.

listen for any strange noises while applying pressure to the brake pedal

all of these answers are correct

while wearing gloves, pull hard on each slack adjuster that you can reach

brake hard after accelerating

21 / 40

To test the security of the tractor semi trailer connection you should:

you don't need to check it

put the tractor in a high gear and quickly pull ahead

with the trailer brakes locked, rock the trailer back and forth

look at it carefully after pulling forward gently in a low gear against the locked trailer brakes

22 / 40

You may use DANGEROUS placards instead of separate placards for each Table 2 hazard class when:

Both of these conditions must be met.

You have 1,001 pounds or more of two or more table 2 hazard classes, requiring different placards.

The correct answer is not listed.

You have not loaded 2,205 pounds or more of any table 2 hazard class material at any one place (you must use the specific placard for this material).

23 / 40

How do you know when your brakes are fading?

the brake pedal flops to the cabin floor

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

your speed increases when pressure is removed from the brake pedal

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

24 / 40

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

The lug bolts

The mirrors

The windshield

The headlights

25 / 40

Which of the following is a clue another driver is impaired:

All of these answers are correct.

Open window in warm weather.

Stopping at a green light, or waiting too long at a stop.

Exiting the interstate when there's no gas station visible.

26 / 40

What should you do before you begin to couple?

position the fifth wheel beforehand

inspect the condition of the frame of the tractor

activate the spring brakes

check your path for any hazards

27 / 40

Select the statement that is not part of the air-brake system:

service brake system

parking brake system

emergency brake system

clutch brake system

28 / 40

An "A/W" the first column of the hazardous materials table means:

It is ok to ship this material by air only.

This material has no restrictions when shipped by air and/or water.

There is no restrictions with this material if shipped by water only.

This material is only restricted when shipped by air and/or water.

29 / 40

Which trailer is most likely to turn over when you make a sudden turn while pulling doubles?

the front trailer is twice as likely

trailers will never turn over

there is an even chance for either trailer

the rear trailer is twice as likely

30 / 40

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

in a closed position

in an open position

in a closed position for the rear trailer and an open position for the front trailers

in an open position for the rear trailer and a closed position for the front trailer

31 / 40

This object should not be damaged, bent, or rusted through and be evenly centered with the tires and dual wheels evenly separated.

Lug bolts

Budd spacing or spacers

Tire rims

All answers listed

32 / 40

This gauge will indicate if the generator or alternator is charging:

Gas tank

Voltmeter/ammeter

Oil pressure

Coolant

33 / 40

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

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

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

34 / 40

The Emergency Response Guidebook (ERG):

Was created by the national department of transportation, so it is used nationwide.

All of these answers are correct.

Is studied by emergency personnel to help keep the public safe.

Contains an index of hazardous material id numbers, which is why you must label things correctly.

35 / 40

In safe driving, what does communicating mean?

letting others know you are there by using turn signals, four way flashers, and horn

using hand signals

all of these answers are correct

using a cb radio to let others know your intentions

36 / 40

You should_____to make an emergency stop with air brakes when using the stab braking method.

apply a firm pressure to the brakes, release the brake pedal once the wheels lock and then apply pressure to the brakes onces the wheels start rolling again

apply a full hand valve until you stop and press firmly on the brake pedal

rapidly and lightly pump the brake pedal

apply pressure to the brake pedal until the wheels lock and then stay off of the pedal for as long as the wheels are locked

37 / 40

Select the true statement in regards to the braking power of spring brakes.

the braking prower increases when the brakes are hot

it depends on the adjustment of the service brakes

braking power can only be tested by licensed mechanics

it will not be affect by the condition of the service brakes

38 / 40

Select the true statement in regards to stopping distance and speed:

You require 4 times as much stopping distance when driving at 40 mph compared to 20 mph.

A wet road will double the stopping distance at any speed.

All answers listed.

Larger / heavier vehicles generally take longer to stop.

39 / 40

What are spring brakes?

they are powerful springs that hold back air pressure when driving

they do not function when the psi falls below 30 psi

all of these answers are correct

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

40 / 40

Select the statement that tells you how you can check the low pressure warning signal.

The low pressure warning signal is only testable by the factory.

Turn the electrical power on and apply pressure on and off the brake pedal to increase air tank pressure. The low air pressure warning signal must come on before the pressure increases to more than 60 psi in the air tank.

Turn the electrical power on and apply pressure on and off the brake pedal to decrease the air tank pressure. The low air pressure warning signal must come on before the pressure drops to less than 60 psi in the air tank.

Turn the electrical power off and apply pressure on and off the brake pedal to decrease air tank pressure. The low air pressure warning signal must come on before the pressure drops to less than 30 psi in the air tank.

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