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

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

To monitor passenger activity.

To monitor the driver's appearance.

To provide visibility directly in the back of the bus.

To check blind spots.

2 / 40

What is the stopping distance for a tractor trailer that is traveling at 55 mph on dry pavement?

about 200 feet which is 2/3 of a football field

about 300 feet which is about a football field length

about 600 feet with is about two football field lengths

about 150 feet which is 1/2 of a football field

3 / 40

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

Problems with the water pump

All of these answers are correct

A leak from the engine

A leaking line or hose

4 / 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?

20 psi

They should never pop out

70 psi

40 psi

5 / 40

This object releases the fifth wheel locking jaw to allow uncoupling.

The apron

The arm bar

The release arm

The locking pins

6 / 40

Do not tow or push a disabled bus with riders aboard the vehicle, unless:

You are also a class a tow truck driver.

Bus is on a drawbridge.

Your employer tells you to.

Getting off the bus would be unsafe.

7 / 40

Select the factor that is known to cause brakes to fail or fade. (more than one answer may be correct, but select only one)

excessive heat from extensive use

when using the engine brake more than the brakes

brakes that are not aligned properly

tire retread that is mismatched

8 / 40

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

they are not allowed to have any cracks

the linings should fit loosely around the brake shoe

they should always be kept well-greased up

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

9 / 40

Select the true statement in regards to the liquid inside of a bulk tank causing a tank truck to roll sideways.

It can occur even when driving at the posted speed limit.

It can occur even with baffles inside that slow the flow.

It can occur when driving through a curve.

All answers listed.

10 / 40

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

Any stop the bus makes.

Busy intersection.

Sharp turns.

Stop to load or unload students.

11 / 40

What does the amount of liquid allowed in the tank depend on?

Whether and how much the liquid will expand during the trip.

The size of the tank.

All answers listed.

The legally allowed weight limits.

12 / 40

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

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

The high center of gravity of the load.

The low center of gravity of the load.

The baffles create odd rocking motions.

13 / 40

You should expect____when backing a tractor under a trailer.

the end of the kingpin to be level with the top of the fifth wheel

the trailer landing gear to be fully extended

the trailer to lift slightly

the trailer to be completely still

14 / 40

Which trailer is most likely to turn over when you make a sudden turn while pulling doubles?

the front trailer is twice as likely

there is an even chance for either trailer

the rear trailer is twice as likely

trailers will never turn over

15 / 40

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

make sure the trailer won't roll when coupling

go ahead and couple it

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

16 / 40

You should follow behind other vehicles ______when traveling under 40 mph.

at a distance of 1 second for every 5 feet of your vehicle length

at a distance of 1 second for every 15 feet of your vehicle length

at a distance of 1 seconds for every 10 feet of your vehicle length

as close as possible so other drivers won't cut in front of you

17 / 40

Check to ensure that____when inspecting the coupling.

the landing gear handle is free to hang down

the electrical cable is unplugged

there is minimal slack in the air lines

there is no slack at all in the air lines

18 / 40

What action should you take before driving while drowsy?

drink a cup of coffee

pull off the road and get some sleep

open your vehicle windows for some fresh air

drink energy drinks

19 / 40

You should line up_____when getting ready to back under the trailer.

above 12 degrees to the right of the trailer

for the kingpin to activate on the driver's side first

about 12 degrees to the left of the trailer

directly in front of the trailer

20 / 40

On the Hazardous Materials Table, column 1 shows:

What materials can be loaded together.

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

How to ship an item.

To what shipping mode the information on that line applies.

21 / 40

What is a common cause of tire fires?

all of these answers are correct

overinflated tires

cold tires

underinflated tires

22 / 40

What is the best way to figure out how many seconds of following distance you have?

text a friend and tell them to text you back in ten seconds and see how long that seemed to take compared to how far you traveled

get 1/4 closer to the car in front of you, then back off again multiply how long this took you by 4 for following distance

wait until a vehicle passes a shadow or landmark, then count the seconds until you pass it

use the stopwatch on your phone to try to determine how long before you reach a mile marker after the car in front of you appeared to reach it

23 / 40

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

three

one

seven

five

24 / 40

Tankers used to transport hazardous materials on vehicles must be marked with:

The owner's puco or icc number.

The date of manufacture.

The chemtrec phone number.

The un or na id number of the product.

25 / 40

Where is compressed air stored?

in the hose lines

in the gasoline tank

in the storage tank

in the compartment for the engine

26 / 40

When checking for_____you are looking for dripping fluids or puddles on the ground below the transmission or engine.

leaks

air brake system

power steering fluid

coolant level

27 / 40

What position should the heaviest trailer be in when pulling 3 trailers?

it makes no difference

in the middle

in the back

in the front

28 / 40

What is the first thing to do if your vehicle catches fire while driving?

pull off the road and park in an open area

find a service station to pull into

open the door and jump out of the vehicle

open the hood and let the flames die down

29 / 40

How often should you check your cargo?

after every break you take during driving

within the first 50 miles after beginning a trip

all of these answers are correct

every 150 miles or every three hours

30 / 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:

100 pounds

250 pounds

300 pounds

500 pounds

31 / 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 attended vehicles loaded with flammable materials

an approved place for parking unattended vehicles loaded with explosive materials

32 / 40

What is the purpose of the supply pressure gauge?

all of these answers are correct

to inform you if there is too little air in the tank

to inform you of how much air is in the tank

to inform you about how hot the air in the tank is

33 / 40

What is a king pin?

it is a pin that holds the wheel on to the axles

it is a pin that locks the air brake lines together

it is a pin that locks the trailer to the tractor on the fifth wheel

it is a pin that a driver receives for being a safe driver

34 / 40

With the engine cut off and the brakes released the air loss in a straight truck or bus should not be more than:

4 psi in a minute

2 psi in a minute

5 psi in a minute

3 psi in a minute

35 / 40

You should check your mirrors while making a lane change:

after you signal your intent to change lanes

after you have completed the lane change

all answers listed

right after you start the lane change

36 / 40

When you have a major leak in the service line and put on the brake, the service air pressure will escape and cause the:

the tractor spring brakes to activate

none of the ansers listed

the trailer emergency brakes to activate

the trailer tank pressure to decrease

37 / 40

What is most likely to occur when driving a set of doubles and a set of trailer wheels goes into a skid?

nothing will occur

there will be a trailer jackknife

no matter how you turn the steering wheel, the rig will continue in a straight line

the rig will slide sideways but stay in a straight line

38 / 40

Alcohol evaporators in some air brake systems help to:

it removes fuel from the air lines

decrease the chances of ice in the air brake valves in cold weather

decreases the risk of water in the air brake valves in cold weather

cleans out oil from the air lines

39 / 40

You should___to reduce the air leakage rate.

leave the engine running while charging the air system

monitor the air pressure gauge as you press on the brake pedal

release the service brake as the engine is running

release the service brake after turning off the engine

40 / 40

Select the true statement about empty trucks:

empty trucks stop in the same distance as a fully loaded truck

empty trailers are easier to stop because there is not cargo shifting

they have poor traction due to wheel lockup and bouncing

they have a smaller stopping distance than full trailers

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