arizona
CDL Practice Test

This site contains free CDL practice tests for Arizona. You can take these practice tests as many times as you would like as you prepare for the Arizona CDL test. Questions are derived from various CDL topics that are represented in the Arizona CDL manual. You will be presented with 40 questions and you must answer 34 test 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 your Arizona CDL practice test.

1 / 40

The method for testing hydraulic brakes for leaks is to _____.

all of these answers are correct

pump the brake pedal 5 times and apply firm pressure for 3 seconds the pedal should not move

pump the brake pedal 3 times and apply firm pressure for 5 seconds the pedal should not move

hold the brake down for 5 seconds and listen for leaks

2 / 40

If a rider wants to bring a car battery or a can of gasoline or kerosene aboard your bus, you should:

Instruct the rider to sit next to an open window.

Not allow the rider to do it.

Have the rider pay a second fare.

Put the materials in the bus's "safe box".

3 / 40

This carries hydraulic fluid or air to the wheel brake assemby.

Slack pieces

Brake lines/hoses

Brake drums

Connector rods

4 / 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, backup to the stop before evacuating the bus.

If time allows, notify the police.

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

5 / 40

The shipping papers for hazardous materials can be found:

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

In a pouch on the driver's door.

In clear view, within reach while driving.

Any of the above locations.

6 / 40

Which of the following three hazard classes should NOT be placed into a temperature-controlled trailer (one with a heater/air conditioner unit)?

Classes 1, 21, and 3

Classes 1, 4, and 51

Classes 1, 3, and 6

Classes 1, 3, and 4

7 / 40

If there is no traffic light or attendant, how far from the draw of a drawbridge must you stop?

5 feet

50 feet

30 feet

100 feet

8 / 40

At what pressure is the safety valve in the air compressor tank set to open?

225 psi

125 psi

100 psi

150 psi

9 / 40

You must have placards for explosives, poison gas or flammables exceeding:

100 pounds

10 pounds

10 cartons

Any amount

10 / 40

The container for the mechanism that transforms the steering column action into wheel action is:

Locking pin

Steering hoses/box

Steering linkage

Air brake system

11 / 40

Why is the proper adjustment and use of all mirrors so vital to the safe operation of the school bus?

In order to see if small vehicles are driving in the bus blind spots.

In order to observe the danger zones around the bus.

In order to clear up blind spots around the bus.

In order to observe the danger zones around the bus and look for the students, traffic, and other objects in this area.

12 / 40

Signs of distracted drivers include:

individuals listening to music too loudly

individuals driving at a consistent speed above the speed limit

vehicles exiting the roadway

drivers having conversations with passengers

13 / 40

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

The next stop.

Off the regular route.

As safe as possible, or the next stop.

Dark and poorly lighted.

14 / 40

Select the true statement in regards to managing the space to the sides:

you should try to avoid driving next to others when possible

you should drive down the center of both lanes over the pavement markings

you should always keep your vehicle to the right side of the lane

high wind gusts will not cause any issues for doubles or triples

15 / 40

Which of the following statements is FALSE:

Do not transport intoxicated passengers.

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

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.

16 / 40

Select the correct setup for shut-off valves:

the front shut-off valves are closed and the rear trailer valves are open

the rear shut-off valves are closed and the front trailer valves are open

the front and back shut-off valves are closed

the front and back shut-off valves are open

17 / 40

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

the tractor to lose all air pressure in the tanks

the trailer supply valve will remain open

the tractor will gain air pressure

the tractor protection valve will close

18 / 40

How do you determine if slack adjusters need to be adjusted?

release the parking brakes and service brakes

pull out the automatic slack adjustment control knob

activiate the parking brake and service brake

release the parking brakes and activate the service brakes

19 / 40

What is most likely to occur when the front wheels begin to skid?

All answers listed.

The power of the surge will disconnect the tank from the truck.

You will continue heading in a straight line and moving forward no matter what direction you turn the steering wheel.

A roll over will occur.

20 / 40

Select the true statement in regards to the center of gravity for tanks:

The vehicle can handle higher speeds around curves than other large trucks.

The center of gravity is generally lower than with other large trucks.

None of the answers listed.

The vehicle can turn over even when driving at the posted speed limit for curves.

21 / 40

Where should the safety catch for the fifth wheel locking lever be located for coupling to be complete?

above the locking lever

below the locking lever

through the locking lever

outside of the locking lever

22 / 40

This gauge has a governor cut-off.

The coolant temperature gauge

Air gauge

Oil pressure gauge

The ammeter gauge

23 / 40

The best way to test the low air pressure warning signal is to:

apply pressure on and off the brake pedal until the air pressure drops below 20 psi

apply pressure on and off the brake pedal with the engine off to drop the air pressure to below 60 psi

manually release the air out of your brakes to see if the signal activates

apply pressure on and off the brakes while the engine is running

24 / 40

What is the main difference between a portable tank and a cargo tank?

Cargo tanks are permanently attached, portable tanks are temporarily attached.

All of these answers are correct.

Cargo tanks are filled while on the vehicle, portable tanks are filled while off the vehicle.

Portable tanks must additionally show the owner or lessee's name on them.

25 / 40

What is the earliest way to notice a trailer skid?

you can hear the tires squealing

you can feel a jerk in the back of the tractor

you can feel it pulling your steering wheel

you can see it in your mirrors

26 / 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

there is no slack at all in the air lines

the electrical cable is unplugged

27 / 40

Select the true statement in regards to brake drums:

Hold the brake linings and shoes.

They are bolted to the wheels.

They are located at both ends of the axles of the vehicle.

All of these answers are correct.

28 / 40

Select the correct description for a bulkhead tank.

It is one large tank.

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

None of the answers listed.

They are divided down into smaller tanks.

29 / 40

How do you hook a combination to a second trailer without spring brakes and without using wheel chocks?

go ahead and couple it

make sure the trailer won't roll when coupling

have the trailer electric cord to a generator so it can supply braking power

disconnect the air supply lines after supplying air to the trailer air system via the tractor

30 / 40

In what position should the converter dolly air tank drain valves and pintle hook be in?

closed and latched

open and open

open and latched

closed and open

31 / 40

To decide which placards you need, if any, what three things do you need to know?

Materials hazard class, percentage of total volume, and amount of all hazardous materials on your vehicle.

Materials hazard class, amount being shipped, and amount of all hazardous materials of all classes on your vehicle.

Materials hazard class, location being shipped, and amount of all hazardous materials on your vehicle.

Packing group numbers, amount being shipped, and amount of all hazardous materials of all classes on your vehicle.

32 / 40

What is always required before loading, driving, or unloading a tanker?

Clean the vehicle

Shift into park

An inspection

Registration of driving plan

33 / 40

The trailer should be lowered so that _____.

you are able to use the landing gear to make adjustments

it is slightly raised when the tractor is backed under it

the trailer is high above the fifth wheel

the tractor comes in contact with the nose of the trailer

34 / 40

Select the true statement about stop valves in a cargo tank:

They protect the piping and tank during rear end collisions.

They will close in an emergency.

They will fall off in an emergency.

They are manually operated.

35 / 40

What are the three types of emergency equipment that you must have with your vehicle?

none of these answers are correct

first aid kit, fire extinguisher, flares

warning devices for parked vehicles, first aid kit, flares

fire extinguisher, spare electrical fuses, warning devices for parked vehicles

36 / 40

Vehicle handling can become unsafe if the weight is not properly balanced. Hard steering can be caused by:

under loaded front axles

too much weight on the steering axles

high center of gravity

too little weight on the driving axles

37 / 40

A placard is required for a combustible liquid at?

110 gallons

Any amount

100 gallons

1,001 pounds or more

38 / 40

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

in the latched position

removed from the dolly

in a halfway open position

in the unlatched position

39 / 40

This object should be checked to make sure that the cap(s) are on tight, that it is secure, and there are no leaks.

Exhaust system

Air coolant system

Windshield fluid line

Fuel tank

40 / 40

In Column 1 the symbol "I" means:

Invalid substance.

International transportation.

International restrictions.

Iodine.

Your score is

The average score is 0%

5/5 - (1 vote)

CDL Category Practice Tests

CDL Practice Test

How To Get An arizona Commercial Drivers License

All Arizona CDL applicants must possess a valid driver’s license and meet the many eligibility requirements listed here. Arizona residents who are 21 years or older may apply for a commercial driver’s license and any specific endorsements offered. Those residents who are between the ages of 18 and 21 can apply for a restricted commercial driver’s license that only offers intrastate driving and limited endorsement availability. All applicants must possess a medical card from a qualified DOT Medical Examiner.

Any applicants that have the following attributes will be disqualified from receiving a CDL:

Being convicted in the past two years of driving a commercial vehicle under the influence.
Having more than one driver’s license.
Having commercial driving privileges revoked in Arizona or any other U.S. State.
Having a suspended or revoked driver’s license.

Those applying for their Arizona-issued commercial driver’s license will be required to take two assessments. These include the knowledge test and the skills test. Depending on the Class and Endorsements that an applicant is seeking, they may be required to partake in more than one knowledge test.

Endorsements

S – School Bus
P – Passengers
T – Doubles and Triples
N – Tanks
H – Hazardous Materials
X – Tanks with Hazmat

Hit the Open Road

arizona CDL License Test Tips

All knowledge tests require a passing score of 80 percent or higher for the applicant to receive their Arizona Commercial Driving Permit. The general knowledge test is comprised of 50 questions regarding commercial vehicles and driving them. Class A drivers will be required to not only complete the general knowledge test, but also a 20 question assessment about combination vehicles. Those seeking endorsements will be required to take a test for each endorsement sought. Hazmat Endorsement requires a 30 question assessment. School Bus Endorsement and the Air Brake Restriction Removal requires a 25 question assessment.

In order to assess an applicant’s ability to operate a commercial vehicle, Arizona testing facilities will require skills tests. These skills tests are comprised of a pre-trip vehicle inspection, on-road driving test, and evaluation of basic control skills. Any applicant that is seeking an endorsement must take the skills test in the type of vehicle the endorsement is intended for.

Additional Information

Information on the Arizona Department of Motor Vehicles

The Arizona DMV regulates the certifying and testing of commercial drivers in the state. To get more information contact them via:

Website: https://www.azdot.gov/motor-vehicles/driver-services/commercial-driver-license

Phone: 602.255.0072

Additional Arizona CDL Helpful Links

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

arizona CDL Practice Test