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

What might happen if you swing wide to the left before you turn right?

all of these answers are correct

someone might try to pass you on your right

you might damage your leaf springs

someone might try to pass you on your left

2 / 40

Select the answer that is controlled by the foot brake.

the shut off valves

the engine brake

the service air line

the emergency brake

3 / 40

The method used to make sure the spring brakes will come on automatically is to:

Apply pressure on and off the brake pedal to decrease the air tank pressure. The parking brake knob should pop out when the air pressure meets to the manufacturer’s specification.

Apply pressure on and off the brake pedal to decrease the air tank pressure while driving at a high a speed. The parking brake knob should pop out when the air pressure meets to the manufacturer’s specification.

Apply pressure on and off the brake pedal to decrease the air tank pressure. The parking brake knob should pop out when the air pressure drops to 120 psi.

Apply pressure on and off the brake pedal to increase the air tank pressure. The parking brake knob should pop out when the air pressure meets to the manufacturer’s specification.

4 / 40

Air brake systems should not lose air faster than____when testing for air leakage rates in combination vehicles before applying the brake pedal.

2 psi a minute

3 psi a minute

5 psi a minute

6 psi a minute

5 / 40

Under which two special conditions should you downshift?

before entering a curve and before going up a hill

before starting down a hill and before going up a hill

if there is an accident and in sudden heavy rain

before starting down a hill and before entering a curve

6 / 40

When approaching a school bus stop, you should:

Activate your overhead amber lights.

Continuously check all mirrors.

Gradually decrease speed until the stop.

All of these answers are correct.

7 / 40

The act of operating a motor vehicle in a selfish, bold, or pushy manner, without regard for the rights or safety of others is known as.

defensive driving

road rage

distracted driving

aggressive driving

8 / 40

Select the statement of what you should not do if you are required to drive through flowing water or deep puddles.

quickly turn the steering wheel side to side

shift into a lower gear

drive at a high speed

increase engine rpm

9 / 40

What is the most important reason for doing a vehicle inspection?

federal and state laws require you to inspect your vehicle

to save you money by preventing costly repairs

to insure that you will achieve the best gas mileage

safety for yourself and other road users

10 / 40

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

service brake system

clutch brake system

emergency brake system

parking brake system

11 / 40

If hazardous material is spilling from your vehicle, do not move your vehicle:

In an upwind direction.

Any more than 500 feet.

Any more that 450 feet.

Any more than safety required.

12 / 40

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

That has air brakes.

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

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

That is designed to carry more than nine passengers.

13 / 40

To test the tractor-trailer connection for security, you should:

rock the trailer side to side with the trailer brakes on

drive forward with a sharp jerk

drive forward in a low gear with the trailer brakes locked and then look at it carefully

drive forward in a high gear with the trailer brakes on and check it

14 / 40

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

Oil pressure

Coolant

Gas tank

Voltmeter/ammeter

15 / 40

When you discharge an unruly passenger, you must choose a place that is:

Dark and poorly lighted.

Off the regular route.

As safe as possible, or the next stop.

The next stop.

16 / 40

Air tanks should be drained:

at the end of each shift or day

all of these answers are correct

to prevent sludge from clogginng up the brake system valves

manually when the automatic devices fail

17 / 40

What position should the tractor protection control valve be in after coupling?

lowered

raised

normal

mid position

18 / 40

It takes special care to drive tankers with liquid in them because:

The baffles create odd rocking motions.

The movement of the liquid even when the truck is stopped.

The low center of gravity of the load.

The high center of gravity of the load.

19 / 40

The best way to go into a curve is to decrease your speed going into the curve and then ____going through it.

shift down 2 gears

slightly accelerate

none of the answers listed

ride the brake

20 / 40

Before backing under the trailer after connecting the air lines you should:

double check to make sure the trailer brakes are off

take a walk around the vehicle to make sure it is clear of obstructions

have a random pedestrian direct your path of travel

supply air to the trailer system and then pull the air supply knob out

21 / 40

On the Hazardous Materials Table, column 1 shows:

How to ship an item.

To what shipping mode the information on that line applies.

How much of the material can be put in a vehicle without placarding.

What materials can be loaded together.

22 / 40

By law, the warning lights must only be used when approaching a:

Stop to load or unload students.

Busy intersection.

Any stop the bus makes.

Sharp turns.

23 / 40

It is good practice to_____when uncoupling.

have the glad hands coupled to the dummy couplers

all answers are appropriate

make sure the electrical cable is hanging with the plug end down

have the glad hands coupled together

24 / 40

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

Bottom to top

All answers listed

Back to front

Side to side

25 / 40

When driving tank vehicles you should:

None of the answers listed.

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

Maintain the posted speed limit as you enter the curve.

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

26 / 40

When driving a combination vehicle, the trailer breaks away severing the air lines. The trailer brakes should come on and ____.

the tractor protection valve will close

the tractor to lose all air pressure in the tanks

the tractor will gain air pressure

the trailer supply valve will remain open

27 / 40

Select the definition of "off-tracking."

none of the answers listed

it is when the trailer wheels go in a different direction from the front wheels

it is wheen the rear wheel skid and the front wheels maintain a straight path

it is when the rear wheels of the vehicle follow a different path way than that of the front wheels

28 / 40

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

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

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.

Yell loudly for the students to sit down and behave themselves.

29 / 40

Mirrors with a convex surface or "spot" mirrors _____.

make things look closer and larger than they actually are

make things look farther away and smaller than they actually are

are illegal in most states

they show a larger area than flat mirrors so do not need to be checked as often

30 / 40

Before backing under the trailer you should______when coupling a tractor and trailer with air lines already connected.

have the trailer brakes off

supply air to the trailer system and then pull the air supply knob out

all answers listed

press down on the brake pedal twice

31 / 40

Take extra caution when driving smooth bore tanks during:

Drive down or up an incline.

Driving into the wind.

Stops and starts.

All answers listed.

32 / 40

On a bus, you may sometimes haul small-arms ammunition, emergency shipments of drugs, or hospital supplies. The total weight of all such hazardous materials must not be greater than:

500 pounds

300 pounds

250 pounds

100 pounds

33 / 40

A drawbridge does not have a traffic light showing green or a traffic control attendant. How many feet before the draw of a bridge must a bus driver stop?

At least 50 feet.

At least 25 feet.

At least 75 feet.

At least 100 feet.

34 / 40

The most stable tanker shape is:

Square

Round

Cylindrical

Elliptical

35 / 40

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

The danger of surge and the high center of gravity.

The danger of surge and the low center of gravity.

The chance of rollover and of spontaneous combustion.

None of the answers listed.

36 / 40

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

10 to 35 feet

15 to 50 feet

100 feet exactly

50 to 75 feet

37 / 40

How should the pintle hook be when backing a dolly under the second trailer?

removed from the dolly

in the unlatched position

in a halfway open position

in the latched position

38 / 40

Check to ensure that____when inspecting the coupling.

there is minimal slack in the air lines

the landing gear handle is free to hang down

the electrical cable is unplugged

there is no slack at all in the air lines

39 / 40

A safe haven is ______.

an approved place for parking unattended vehicles loaded with radioactive materials

an approved place for parking unattended vehicles loaded with corrosive materials

an approved place for parking unattended vehicles loaded with explosive materials

an approved place for parking attended vehicles loaded with flammable materials

40 / 40

Select the true statement about seeing ahead.

all answers listed

you should look up to 1/4 mile ahead when driving at highway speeds

many individuals do not look far enough ahead while driving

good drivers will shift their attention from far and near and back and forth

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