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

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

They will close in an emergency.

They protect the piping and tank during rear end collisions.

They will fall off in an emergency.

They are manually operated.

2 / 40

Select the true statement about convex ("spot") mirrors.

they are against the law in the majority of states

you do not need to look at them as often as flat mirrors

they make things look farther away and smaller than they actually are

they make things closer and larger than they really are

3 / 40

You should_____when checking the slack adjusters on S-Cam brakes.

pull hard on each slack adjuster while wearing gloves

make sure there is an inch of leeway in each direction for the slack adjuster

pull on the slack adjuster while the parking brakes are on

pull on the slack adjusters after draining the air from the system

4 / 40

What is incorrect concerning disruptive passengers?

You must remove the disruptive passenger immediately for the safety of the others.

You must ensure the disurptive rider's safety as well as that of others.

Don't discharge such riders where it would be unsafe for them.

It may be safer to wait and discharge the disruptive passenger at the next scheduled stop or a well-lighted area where there are other people.

5 / 40

The air leakage rate for combination vehicles should not be more than _ psi a minute.

6 / 40

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

the center of the kingpin is past the locking jaw

the kingpin is over the fifth wheel

all answers listed

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

7 / 40

When is it best to wear your seat belt?

Only if required by company policy.

Always.

Only if your bus holds more than 27 people.

Only when you will be driving over 35 mph.

8 / 40

If there is rust around the nuts, what may it indicate?

They need to be changed out.

They are loose.

They are fitted just right.

There is a leak somewhere.

9 / 40

What should you hear when you have the hand valve on and are testing the trailer brakes by opening the service air line at the back of the trailer?

the emergency line valve to release air

the engine brake to kick on

the service brakes more to a fully applied position

air leaving the open valve

10 / 40

Select the accurate statement in regards to rolling up the landing gear to complete the coupling process.

you should leave the landing gear at the half way mark to make the uncoupling process easier later

you should grease the landing gear the increase the speed of the process

you should use a low gear until the tractor is supporting the trailer

you should use a high gear to make the process faster

11 / 40

Take extra caution when driving smooth bore tanks during:

Drive down or up an incline.

All answers listed.

Driving into the wind.

Stops and starts.

12 / 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

13 / 40

What are slack adjusters?

they are between the S-Cam on drum brakes and the push rod

all of these answers are correct

they are a part of the air brake system that adjusts the brakes

they are between the push rod on disc brakes and power screw

14 / 40

The most dangerous time during the school bus ride is:

Crossing railway crossing.

When the students become unruly on the bus.

When loading and unloading students.

On long bus journeys.

15 / 40

A placard is required for a combustible liquid at?

100 gallons

110 gallons

1,001 pounds or more

Any amount

16 / 40

What do you do first during step 3 of starting the engine and inspecting the inside of the cab?

Make sure the parking brake is activated after getting in the cab.

Listen for any unsual noises after starting the engine.

Shift the gear to neutral.

Start the engine after getting in the cab.

17 / 40

How often should you check the cargo you are transporting?

all of these answers are correct

every 150 miles or every three hours

within the first 50 miles after beginning a trip

after every break you take during driving

18 / 40

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

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

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

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

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.

19 / 40

If your engine runs a pump used during delivery of compressed gas, should you turn off the engine before or after unhooking hoses after delivery?

Turn it off before product transfer, before you hook the hose.

Turn it off during product transfer, while unhooking the hose.

Turn it off after product transfer, before you unhook the hose.

None of these answers are correct.

20 / 40

While completing the 1st component of the air brake check you are required to fully push down on the foot brake and _____.

none of the answers listed

see if the air pressure drops more than 4 lbs in a minute while holding it down for a full minute in a combination vehicle

both of the answers listed

see if the air pressure drops more than 3 lbs in a minute while holding it down for that full minute in a single vehicle

21 / 40

In what location must you keep your shipping papers which describe any hazardous materials?

In a fire-safe pouch under the passenger seat while you are driving.

In a locked glove compartment anytime you are outside of the vehicle.

In a fire-safe pouch under the driver's seat that you can reach while you are driving.

On the driver's seat anytime you are outside of the vehicle.

22 / 40

How should the shut off valves at the rear of the trailer be when inspecting doubles?

closed at the rear of the last trailer and front trailer

none of the answers listed

open at the rear of the last trailer and front trailer

closed at the rear of the last trailer and open at the rear of the front trailer

23 / 40

While completing the 3rd component of the air brake check of a combination vehicle, at what psi should the tracor protection valve and parking brake valve should pop out?

40 psi

20 psi

They should never pop out

70 psi

24 / 40

It is important for driving safety to always be looking ahead. Which of the following is NOT a recommended time/distance that you should be looking ahead?

about 1/4 mile for open highway driving

about 1 block for city driving

about 5 car lengths on the highway

about 12-15 seconds

25 / 40

What is the best way to see the sides and rear of your vehicle?

all of these answers are correct

rear view cameras

a helper

your mirrors

26 / 40

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

removed from the dolly

in a halfway open position

in the latched position

in the unlatched position

27 / 40

What is the minimum amount of distance you should maintain when driving at 50 mph in ideal conditions with a 100 ft twin trailer combination?

13 seconds

8 seconds

11 seconds

6 seconds

28 / 40

You should____in order to inspect the coupling.

have the fifth wheel jaws open

make sure to have space between the lower and upper fifth wheel

make sure the locking lever is in the open position

if necessary, use a flashlight

29 / 40

Of the following hazardous material classes, which is the most dangerous?

Division 62

Division 61

Division 64

Division 63

30 / 40

Select the best description of a baffle tank:

They are tanks divided down into multiple smaller tanks.

They are divided and have holes for liquid to flow through controlling surge.

It is one large tank.

None of the answers listed.

31 / 40

A hazard class that uses transport indexes to determine the amount that can be loaded in a single vehicle is _____.

Class 6 poisons

Class 7 radioactive materials

Class 1 explosives

Class 3 flammable liquids

32 / 40

Cargo tanks are:

Bulk packaging permanently attached to your vehicle.

Only made in one size.

Filled while they are off your vehicle, then attached for transportation.

Bulk packaging temporarily attached to your vehicle.

33 / 40

Your engine runs a pump when you are delivering compressed gas. Should you turn off your engine before or after you unhook the hoses after finishing that delivery?

Turn it off before unhooking.

Leave it on the entire time.

Turn it off on arrival—use other power to run the pump.

Turn if off after unhooking.

34 / 40

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

Gas tank

Oil pressure

Voltmeter/ammeter

Coolant

35 / 40

You are inspecting the_____when looking for broken welds, cracks, holes, or other damage to the longitudinal frame member, cross members, box, and floor.

frame

fifth wheel

apron

catwalk

36 / 40

How high should you crank the landing gear?

until the crank handle is loose

as high up as it will go

for it to be 6 inches above the ground

so that you can clear railroad tracks

37 / 40

Charter drivers should not:

Remind riders about rules once trip begins.

Allow riders on the bus until departure time.

Mention rules at the start of the trip.

Explain rules at the start of the trip.

38 / 40

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

red, green

white, blue

red, blue

yellow, white

39 / 40

At the end of each shift you should:

Inspect your bus.

All of these answers are correct.

Report any defects.

Report any damage.

40 / 40

The front trailer supports should be____before driving away.

raised fully and the crank handle secured in its bracket

raised 1/3 of the way with the crank handle secured in its bracket

3 turns down from the top and the crank handle secured in its bracket

raised 1/2 way with the crank handle secured in its bracket

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

CDL Category Practice Tests

CDL Practice Test

How To Get An arizona Commercial Drivers License

Hit the Open Road

arizona CDL License Test Tips

Additional Information

Information on the Arizona Department of Motor Vehicles

Additional Arizona CDL Helpful Links

arizona
CDL Practice Test