florida
CDL Practice Test

This site is available to take practice questions to prepare for the Florida CDL test. The questions on these practice tests come from the Florida CDL Handbook. The tests are free and you are able to take them as many times as you would like. Use these practice tests as a way to prepare to obtain a CDL in Florida. 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. Good luck!

1 / 40

Which of the following must be closed while the bus is in motion?

Windows

Both hatches

Roof vents

Emergency windows

2 / 40

Why should you use chocks when parking a trailer without spring brakes?

to prevent someone from stealing the vehicle

the trailer wheels are free to turn as there will be no service brakes should the air supply in the trailer air tank leak

to prevent a runaway trailer

the trailer wheels are free to turn as there will be no emergency brakes should the air supply in the trailer air tank leak

3 / 40

The basic description of a hazardous material includes the hazard class, the identification number, and the proper shipping name. Which one must appear first on the shipping paper?

The box number.

The hazard class.

The identification number.

The proper shipping name.

4 / 40

It is very important that you never smoke around which hazard classes?

Corrosive, radioactive, dangerous, slippery when wet, inhalation.

Explosives, flammable gas, oxidizers, flammable solids, flammable liquids.

It is ok to smoke anywhere.

All hazard classes.

5 / 40

What is the correct number of red reflective triangles that you should carry?

seven

five

one

three

6 / 40

The crack-the-whip effect is more likely to cause the front trailer to tip over.

false

trailers never tip

there is an equal chance for trailers to tip

true

7 / 40

How do you check the connection after locking the kingpin into the fifth wheel?

pull forward 25 feet, turn to the left, and then to the right

pull the tractor at a sharp right to release the trailer brakes

pull forward 25 feet, turn to the right, and then to the left

pull the tractor ahead gently with the trailer brakes locked down

8 / 40

Why should you not use the trailer hand brake to straighten out a jack knifing trailer?

this is the only situation in which you should use the hand brake

the trailer wheels caused the skid in the first place once the trailer wheels grip the road again, the trailer will start to follow the tractor and straighten out

none of the answers listed

the tractor wheels caused the skid in the first place once the trailer wheels grip the road again, the trailer will start to push the tractor and straighten out

9 / 40

How do you release the dolly brakes when coupling twin trailers?

by opening the air tank petcock

by flushing the brake line

by opening the shut off valve

by charging the air line

10 / 40

The shipping papers for hazardous materials can be found:

In clear view, within reach while driving.

In a pouch on the driver's door.

On the driver's seat when out of the vehicle.

Any of the above locations.

11 / 40

When fueling a placarded vehicle, someone must always be:

Be at the rear most corner on the vehicle.

At the emergency power shut off for the pump.

Within 10 feet of the pump with a fire extinguisher.

At the nozzle, controlling the fuel flow.

12 / 40

If you are driving a 100-foot truck with double trailers at 30 mph in dry conditions, how many seconds of space should there be between your truck and other vehicles?

13 / 40

Select the factors that can cause your brakes to fade or fail:

not relying on engine braking enough

using the service brakes excessively

all of these answers are correct

the brakes are out of adjustment

14 / 40

What is the safest way to stop unruly behavior on the bus?

have the unruly students move to the front of the bus

keep checking the rear view mirror so you can see what happened and report to the principal

pull off the road in a safe location, secure the bus, stand up, and tell the students what behavior you expect of them

yell loudly for the students to sit down and behave themselves

15 / 40

Make sure that____when the front trailer supports are up and the trailer is resting on the tractor.

the kingpin has been removed

there is enough clearance between the lower and upper fifth wheel

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

the safety latch is in the open position

16 / 40

Which of the following is NOT something you need to know in order to determine if you need to use placards?

The amount of a substance or material being shipped.

The manufacturing date for the materials.

The amount of all hazardous materials of all classes in your vehicle.

The substance or material's hazard class.

17 / 40

With Division 1.2 or 1.3 Explosive B, how close to the travelled part of the roadway can you park?

Minimum of 2 feet

Minimum of 5 feet

Minimum of 15 feet

Minimum of 10 feet

18 / 40

Which of the following statements about bus evacuation is true?

If time allows, notify the dispatcher about evacuation location, conditions, and type of assistance needed.

If time allows, walk through the bus and close all windows.

If time allows, backup to the stop before evacuating the bus.

If time allows, notify the police.

19 / 40

You should make sure the_____before backing under a trailer.

trailer brakes are locked down

air brakes have been shut off

landing gear is fully raised

tractor shut off valve is normal

20 / 40

What is the reason that placards are used?

communicate the risk

to prevent terrorism

so hazmat is not mixed with food

it is the law

21 / 40

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

Class D

Class B

Class A

Class C

22 / 40

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

tie rod, spindle, pitman arm

leaf spring, vehicle frame, torque rod

main spring, axle, spring shackle

rim, lug nuts, tire

23 / 40

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

about two car lengths

about the length of a football field or 100 yards

about two truck lengths

about 1/4 mile

24 / 40

An example of a low pressure warning signal for air brakes is:

all of these answers are correct

a buzzer

a wig wag mechanical arm

red light

25 / 40

Which of the following statements about special danger of loading and unloading is true?

Students should be told to leave any dropped objects and move to the point of safety out of danger and get the driver's attention to retrieve the object.

Students should be told to pick up any dropped objects as long as it is not under the bus.

Students should be told to remain seated while the bus is in motion.

Students should be told not to use the handrails when exiting the bus due to the possibility of causing a clothing hang up.

26 / 40

This item does not need to be checked during the cab check.

The horn

The defroster/heater

The windshield wipers and fluid levels

The air conditioning

27 / 40

Which of the following is a reason to evacuate the school bus?

The bus is stalled on a shoulder of a 4-lane divided highway and it is getting hot inside.

The bus abs warning light is on.

A child set off a stink bomb inside the bus.

The bus is stalled on a rail road track, but there is no train in sight.

28 / 40

Start by___when coupling.

having the second trailer against the dock

coupling the tractor to the second trailer

backing the converter dolly under the second trailer

coupling the converter hook to the pintle tongue of the first trailer

29 / 40

A safe haven is ______.

an approved place for parking unattended vehicles loaded with corrosive materials

an approved place for parking unattended vehicles loaded with radioactive materials

an approved place for parking unattended vehicles loaded with explosive materials

an approved place for parking attended vehicles loaded with flammable materials

30 / 40

While driving at night, which lights should you use as often as you can?

emergency flashers

novelty lights

high beams

low beams

31 / 40

A portable tank differs from a cargo tank in that ______.

portable tanks are bulk containers, which are not permanently attached to a vehicle

cargo tanks are bulk containers, which are not permanently attached to a vehicle

portable tanks are bulk containers, which are permanently attached to a vehicle

none of these answers are correct

32 / 40

Which signals may be used to warn of a stopped vehicle that contains explosives?

Signal fires

Reflective triangles

Flares or fuses

All of these answers are correct

33 / 40

What is a passive railway crossing?

The type of crossing, which does not have any type of traffic control device.

The type of crossing with no cross buck sign.

The type of crossing where you can pass the tracks without stopping.

The type of crossing on which the driver does not have to stop.

34 / 40

Select the correct description for a bulkhead tank.

They are divided with holes to allow liquid to flow through controlling surge.

It is one large tank.

None of the answers listed.

They are divided down into smaller tanks.

35 / 40

Which of the following is NOT an acceptable type of marking for hazardous materials?

Identification number

Descriptive name in roman print

Un marks

Name in italics

36 / 40

Select the true statement in regards to what the fifth wheel should be checked for.

all answers listed

if the jaws are open

if there is any missing or damaged parts

if it is properly greased

37 / 40

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

Air brake system

Metal frame

Fifth wheel

Tandem release (locking pin/arm)

38 / 40

Select the true statement in regards to brake drums or discs:

they should always be kept well-greased up

the linings should fit loosely around the brake shoe

they are not allowed to have any cracks

they should not have cracks that are longer than half the width of the friction area

39 / 40

Select the action that is not recommended when driving on slippery roads:

keep other drivers out of your side space

none of the answers listed

use a light pressure with the the brake and accelerator pedals

use a speed retarder or engine brake

40 / 40

You should follow the posted speed limits for curves and be aware of:

A rollover may occur even when driving at the posted speed limit.

The posted speed limit may be too high for safety.

The higher center of gravity on a tank truck.

All answers listed.

Your score is

The average score is 0%

5/5 - (1 vote)

CDL Category Practice Tests

CDL Practice Test

How To Get A florida Commercial Drivers License

Applicants can get their CDL at the age of 18. Person between the ages of 18 and 21 are restricted to intrastate driving, cannot drive doubles or triples, and may not be endorsed for Hazmat transport. Those age 21 and older may receive all available endorsements and drive interstate. CDL applicants must obtain a DOT medical card to be eligible for their commercial driver’s license.

Any drivers that fall into the below categories are disqualified from obtaining their CDL.

Having a license from any other state than Florida.
Being convicted of driving impaired in a commercial vehicle in the past two years.
Having a suspended, revoked, or canceled driver’s license.
Being disqualified from CDL driving privileges in another state.

All applicants must complete one or more knowledge tests and a skills test in order to be eligible to receive their commercial driver’s license.

Endorsements
H – Hazmat
N – Tank Vehicles
P – Passengers
S – School Bus
T – Double / Triple Trailers
X – Placarded Hazmat & Tank Vehicles

Hit the Open Road

florida CDL License Test Tips

Each applicant is required to complete a knowledge test in order to receive their CDL, with a score of 80% or better. Depending on the Class and Endorsements sought, there are multiple knowledge tests that much be taken. These include:

Class A – 70 Questions (50 General Knowledge + 20 Combined Vehicle)
Class B,C – 50 General Knowledge Questions
Passenger, Doubles/Triples, and Tank Endorsements – 20 Questions
School Bus Endorsement, Air Brake Restriction Removal – 25 Questions
Hazmat Certification – 30 Questions

All applicants must complete a three section skills test. This includes a vehicle inspection, on-road driving assessment, and basic controls test. Those seeking endorsements for School Bus and Passengers as well as the Air Brake Restriction Removal will need to complete the skills test in the respective vehicle for their endorsement or removal. For example, those seeking the School Bus Endorsement must complete the skills test in a school bus.

Additional Information

Information on the Florida Department of Highway Safety & Motor Vehicles

The Florida Highway Safety and Motor Vehicles provides oversight and administration for the CDL requirements and testing in Florida. To get more information contact them via:

Website: https://www.flhsmv.gov/driver-licenses-id-cards/commercial-motor-vehicle-drivers/

Phone: 850.617.2606

Additional Florida CDL Helpful Links

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

florida CDL Practice Test