utah
CDL Practice Test

Welcome to the Utah CDL practice test site. As you prepare to obtain your CDL in Utah, have this site be a guide for practicing common test questions. You can take these practice test questions as many times as you like, and the site is free to use as you prepare to take the Utah CDL test. 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 about stop valves in a cargo tank:

They will close in an emergency.

They will fall off in an emergency.

They protect the piping and tank during rear end collisions.

They are manually operated.

2 / 40

Which of the following is the proper definition of a cargo tank?

A bulk container not permanently attached to a vehicle.

A bulk container which can be securely affixed to a vehicle.

None of these answers are correct.

A bulk container permanently attached to a vehicle.

3 / 40

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

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

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

4 / 40

Which of the following is a key steering component?

gear box

torque rod

leaf spring

bearing plate

5 / 40

What does it mean when the safety valve releases air?

you need it to have it checked out by a mechanic because something is wrong

all of these answers are correct

there is too much air in the air compressor

pressure has passed 150 psi

6 / 40

Never refuel your bus:

Without a static chain.

With any of the windows open.

In a closed building with passengers on board.

With a higher grade of fuel.

7 / 40

What is the value of the overhead rear-view mirror inside of the bus?

To monitor the driver's appearance.

To check blind spots.

To provide visibility directly in the back of the bus.

To monitor passenger activity.

8 / 40

When is it acceptable for non-hazardous materials to be described by hazard class words or identification numbers?

Always

Never

During an emergency

For hazards not described in the hazmat manual

9 / 40

What handling effect will baffles have?

There will be less side to side surging.

There will be less of surging front to back.

There will be an increase in slow surge.

None of the answers listed.

10 / 40

Select the true statement in regards to a converter dolly:

it is a coupling device with one or two axles and a fifth wheel with which a semitrailer can be coupled to the rear of a tractor-trailer combination forming a double bottom rig

none of the answers listed

it is a coupling device with only two axles and a sixth wheel to which a semitrailer can be coupled to the rear of a tractor-trailer combination forming a double bottom rig

it is a connecting device consisting of one axle which disconnects a semitrailer combination vehicle converting it into two separate trailers

11 / 40

You should check your tires every ____ or every ____ when driving in very hot weather.

1 hour, 50 miles

2 hours, 100 miles

3 hours, 200 miles

5 hours, 250 miles

12 / 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.

13 / 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 not to use the handrails when exiting the bus due to the possibility of causing a clothing hang up.

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.

14 / 40

Drivers placard their vehicle to _____ the risk.

minimize

elevate

take away

communicate

15 / 40

Should your air compressor stop working:

there will be no affect to your brakes

the brakes will lock up on you immediately

there will still be air pressure left in the air tanks

you will lose your ability to brake immediately

16 / 40

If you are required to stop at railroad crossings, you must:

Remember to never shift gears while crossing tracks.

Stop 15 to 50 feet before the nearest rail.

All of these answers are correct.

Proceed only when you are sure no train is coming.

17 / 40

What kind of surge occurs with baffles?

Back to front

Circular

Bottom to top

Side to side

18 / 40

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

They are loose.

They need to be changed out.

There is a leak somewhere.

They are fitted just right.

19 / 40

Select the true statement about empty trucks:

They come to a stop faster when you use only the emergency brake.

All answers listed.

They have better traction on wet roads than full tanks.

They can take longer to stop than a truck with a full tank.

20 / 40

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

trailers never tip

true

there is an equal chance for trailers to tip

false

21 / 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?

22 / 40

Urban mass transit coaches may have a brake and accelerator interlock system. Which of the following statements is true?

The interlock applies the brakes and holds the throttle in idle position when the rear door is open.

Do not use this safety feature in place of the parking brake.

The interlock releases when you close the rear door.

All of these answers are correct.

23 / 40

This item should not be rusted, bent, or damaged and centered over evenly spaced tires and dual wheels.

Frame

Spacers

Fifth wheel

Lug bolts

24 / 40

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

have the trailer brakes off

press down on the brake pedal twice

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

all answers listed

25 / 40

Cargo tanks are:

Bulk packaging permanently attached to your vehicle.

Bulk packaging temporarily attached to your vehicle.

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

Only made in one size.

26 / 40

Is it important to look into the back of the fifth wheel to see if the lockpin is locked in?

only at the end of the shift

yes

only every 7 days

27 / 40

What will happen should a driver cross the air lines when hooking up the an older trailer?

if there are no spring brakes, you can drive on but there will be no trailer brakes

the hand valve will activate the tractor brakes instead of the trailer brakes

the brake pedal will activate the trailer spring brakes instead of the air brakes

none of the answers listed

28 / 40

In safe driving, what does communicating mean?

using hand signals

using a cb radio to let others know your intentions

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

all of these answers are correct

29 / 40

What should you hook up before backing a tractor to a trailer for coupling?

the electrical service line

the service and emergency air lines

there is nothing to be hooked up

the safety bar

30 / 40

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

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

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

31 / 40

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

Back to front

Bottom to top

All answers listed

Side to side

32 / 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.

Fuel tank

Windshield fluid line

Air coolant system

Exhaust system

33 / 40

If the hazardous materials are classified as FORBIDDEN you should:

Take special caution in transporting the material.

Remove the placards from the trailer.

Place the materials in the front of the trailer.

Refuse the load.

34 / 40

Select the statement that best explains the "crack-the-whip" effect.

it is when you make a sudden movement of the steering wheel or a quick lane change and the tractor tends to rock and sway. The velocity of the rearmost trailer forces the tractor to roll over before the trailer.

it is when the trailer is half full with the cargo loaded in the front half of the trailer. When you make a sudden movement of your steering wheel the cargo will forcefully slide towards the back of the trailer which will force the trailer to roll over.

it is when the trailer is half full with the cargo loaded in the rear half of the trailer. When you make a sudden movement of your steering wheel the cargo will forcefully slide towards the back of the trailer which will force the trailer to roll over.

it is when you make a sudden movement of the steering wheel or a quick lane change and the rear trailer tends to swing out. The force of the rear trailer becomes amplified, which will cause it to roll over (rearward amplification).

35 / 40

Puddles or dripping fluids from the underside of the transmission and engine may indicate:

All of these answers are correct

Problems with the water pump

A leak from the engine

A leaking line or hose

36 / 40

Which of the following types of emergency equipment must you have on your bus?

Reflectors, fire extinguisher, and accident reporting kit.

Spare electric fuses, fire extinguisher, and accident reporting kit.

Hydraulic jack, fire extinguisher, and signal flares.

Fire extinguisher, spare electric fuses, and reflectors.

37 / 40

What is a supply pressure gauge used for?

it tells you how much slack is in the slack adjusters

it tells you how much pressure is in the air lines

it tells you how much pressure is in the air tanks

all of these answers are correct

38 / 40

Select the true statement in regards to as why you should make sure the fifth wheel plate is greased as recommended:

To decease heat and noise.

To make sure that uncoupling easier.

To prevent any steering problems.

To make sure the electrical connections are good.

39 / 40

When should you check your mirrors for a lane change?

Right after starting the lane change.

After completing the lane change.

All of these answers are correct.

Before and after signaling the change.

40 / 40

How can you check slack adjusters?

it is not possible to check manually

by pulling hard on each slack adjuster

by frequently checking the pressure gauge

by using a fixed wrench

Your score is

The average score is 0%

5/5 - (1 vote)

CDL Category Practice Tests

CDL Practice Test

How To Get A utah Commercial Drivers License

To be eligible for a CDL in Utah, applicants must meet the following age eligibility requirements.

Be at least 18 years old to operate a commercial vehicle intrastate (within Utah only).
Be at least 21 years old to operate a commercial vehicle interstate (outside of Utah).

Applicants who are under the age of 21 years old will not be permitted to apply for endorsements in HAZMAT, passenger vehicles and school buses.

Utah 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 MCSA-5876) Medical Examiner’s Certificate

(CDL-42) Commercial Driver’s License Medical Self Certification

Drivers who have had their licenses revoked, suspended, denied or canceled are not eligible for a CDL in Utah. Applicants can be disqualified for having multiple licenses.

Utah 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

utah CDL License Test Tips

All Utah CDL applicants must pass the general knowledge test prior to taking the skills test. This test consists of 50 questions. To pass the Utah test, applicants must score 80 percent or higher. Applicants who require additional endorsements must pass additional tests and pay the required fees. The Utah skills test can be taken 14 days after applicants pass the knowledge test. 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 currently enlisted in the military.
Have operated a commercial vehicle as part of their military duties for at least 2 years.
Have been discharged from the military within the past 12 months.
Submit (Form CDL-ST WVR) CDL Skills Test Waiver Application for Military Skills Waiver. The commanding officer must sign this document.

Additional Information

Information on the Utah Department of Public Safety

The Utah Department of Public Safety administers CDL license requirements in Utah. To get more information contact them via:

Website: https://dld.utah.gov/licensingid-cards/commercial-driver-license-cdl/

Phone: 801.965.4437

Additional Utah CDL Helpful Links

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

utah CDL Practice Test

CDL Category Practice Tests

CDL Practice Test

How To Get A utah Commercial Drivers License

Hit the Open Road

utah CDL License Test Tips

Additional Information

Information on the Utah Department of Public Safety

Additional Utah CDL Helpful Links

utah
CDL Practice Test