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

The 3 parts of the air brake system are: service brakes, parking brakes, and ____.

bolt brakes

v-cam brakes

disc brakes

foot brakes

2 / 40

Select the answer that is controlled by the foot brake.

the service air line

the engine brake

the shut off valves

the emergency brake

3 / 40

You should___to reduce the air leakage rate.

release the service brake as the engine is running

release the service brake after turning off the engine

leave the engine running while charging the air system

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

4 / 40

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

A roll over will occur.

All answers listed.

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

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

5 / 40

Which trailer is most likely to tip over due to the crack the whip effect?

the first trailer of a triples

the heaviest trailer

the last trailer of a double

the last trailer of a triple

6 / 40

In safe driving, what does communicating mean?

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

using hand signals

all of these answers are correct

using a cb radio to let others know your intentions

7 / 40

A safe haven is ______.

an approved place for parking unattended vehicles loaded with explosive materials

an approved place for parking attended vehicles loaded with flammable materials

an approved place for parking unattended vehicles loaded with radioactive materials

an approved place for parking unattended vehicles loaded with corrosive materials

8 / 40

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

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

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

none of the answers listed

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

9 / 40

The best way to have control on curves is:

keep pressure on the brake pedal through the turn

you do not need to do anything different

to decrease to your safe speed before entering the curve and then accelerate through it

to shift to a lower gear before entering the curve

10 / 40

What action should you take if there is no phone available and you discover your hazardous materials shipment leaking at a rest stop?

Send someone for help with all the necessary information.

Keep driving, slowly and cautiously, until you reach a phone.

Leave your truck parked with emergency lights on and walk for help.

Keep driving for help as quickly as possible.

11 / 40

Cargo tanks ____.

are large drums temporarily attached to a vehicle

are tanks that the military uses to transport hazardous materials

are large drums used to contain hazmat that is loaded on a trailer

are bulk packagings permanently attached to a vehicle

12 / 40

Select the true statement about empty trucks:

they have a smaller stopping distance than full trailers

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

they have poor traction due to wheel lockup and bouncing

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

13 / 40

Front wheel brakes are good under what kind of conditions?

any weather conditons

icy or wet conditions

they are not ideal

ideal weather conditions

14 / 40

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

shift into a lower gear

increase engine rpm

drive at a high speed

quickly turn the steering wheel side to side

15 / 40

If you work for an interstate carrier:

If there are no defects, no report is necessary.

None of these answers are correct.

You must complete a written inspection report for each bus driven.

Only fill out report for buses with defects.

16 / 40

When fueling a placarded vehicle, someone must always be:

Be at the rear most corner on the vehicle.

At the nozzle, controlling the fuel flow.

At the emergency power shut off for the pump.

Within 10 feet of the pump with a fire extinguisher.

17 / 40

A shipment described on the Hazardous Waste Manifest may only be delivered to another _______ carrier or treatment facility, who then signs the ______, giving you a copy which you must keep.

trucking, uniform hazardous waste manifest

responsible, papers

licensed, manifest

registered, uniform hazardous waste manifest

18 / 40

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

have the unruly students move to the front of the bus

yell loudly for the students to sit down and behave themselves

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

keep checking the rear view mirror so you can see what happened and report to the principal

19 / 40

Remember to_____to prevent rollovers.

have the load as low to the ground as possible

drive slowly around turns

all answers listed

have the load centered

20 / 40

How do you check the power steering fluid?

Undo the oil fill cap and check the level.

Via indicator light on the dashboard.

Via the power steering fluid dipstick.

By looking through the reservoir sight glass.

21 / 40

Select the item that is not checked in the engine compartment:

The coolant level

The level of the oil

The oil pressure

The power steering fluid

22 / 40

What keeps air in the tanks should the air compressor develop a leak?

the one-way check vavle

the air compressor

the tractor relay valve

the engine protection valve

23 / 40

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

To check blind spots.

To monitor passenger activity.

To provide visibility directly in the back of the bus.

To monitor the driver's appearance.

24 / 40

Select the vehicle that off-tracks the most.

a 5-axle tractor that is towing a 40-foot long trailer

a 5-axle tractor that is towing a 52-foot long trailer

a 5-axle tractor that is towing a 45-foot long trailer

a 5-axle tractor that is towing a 32-foot long trailer

25 / 40

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

Class 1 explosives

Class 6 poisons

Class 3 flammable liquids

Class 7 radioactive materials

26 / 40

In column 1, the "D" symbol means:

Domestic transportation

Domestic restrictions

Detonators

Devices

27 / 40

If you have riders on board, you must never refuel:

In a closed building.

Unless on a scenic tour bus.

At any time.

With any window open.

28 / 40

Select the true statement about double or triple trailers.

they present a rearward amplification hazard

they can have a dangerous "crack the whip" effect

they can roll over due to abrupt steering movements

all answers listed

29 / 40

Why is understanding the loading and unloading procedures so critical?

Because school district officials have the authority to conduct surprise quizzes and you must know the correct answers to keep your job.

Because many students are killed while getting on and off a school bus each year.

Because motorists ignore students walking to school.

Because only high school students understand how to cross the road.

30 / 40

Which of the following is a reason that shippers package material?

Because it is the shipper's responsibilty to choose the correct packaging for a material classified as "hazardous".

Because it is the shipper's responsibility to determine whether or not a material is hazardous.

Because it is the shipper's responsibility to correctly label the transport vehicle with precautionary placards.

All of these answers are correct.

31 / 40

This object should not be damaged, bent, or rusted through and be evenly centered with the tires and dual wheels evenly separated.

All answers listed

Budd spacing or spacers

Tire rims

Lug bolts

32 / 40

What should you do if the low air pressure warning comes on for only one system in a truck or bus that has a dual air brake system?

continue on with your trip

stop and safely park your vehicle only continue once the issue has been resolved

decrease your speed and head to the closest mechanic

decrease your speed and test the other system

33 / 40

Select the correct description for a bulkhead tank.

It is one large tank.

None of the answers listed.

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

They are divided down into smaller tanks.

34 / 40

Select the purpose of fanning air brakes:

it decreases the braking power

it cools them down

lower air pressure

it increases the air pressure

35 / 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.

Windshield fluid line

Exhaust system

Fuel tank

Air coolant system

36 / 40

Select the answer that is not a part of the braking process when driving a tractor-trailer combination vehicle that has ABS:

only use the braking that is necessary to safely stay in control of the vehicle

you should monitor the tractor and trailer as you decrease your speed to keep control

you should brake in the same manner regardless of what you are driving

you should drive at a higher speed to keep the trailer in line

37 / 40

When stopped on a divided highway where should your reflectors be placed?

10 feet, 100 feet, and 200 feet toward the approaching traffic

15 feet, 75 feet, and 150 feet toward the approaching traffic

20 feet, 150 feet, and 300 feet toward the approaching traffic

30 feet, 100 feet, and 150 feet toward the approaching traffic

38 / 40

Which of the following would NOT be part of a standard vehicle inspection?

seating defects

steering system defects

bad brake drums or shoes

tire problems

39 / 40

Buses may carry small-arms ammunition labeled ORM-D, emergency hospital supplies, and drugs. However, buses must never carry:

More than 750 pounds total of allowed hazardous materials, and no more than 100 pounds of any one class.

More than 1000 pounds total of allowed hazardous materials, and no more than 200 pounds of any one class.

More than 250 pounds total of all allowed hazardous materials.

More than 500 pounds total of allowed hazardous materials, and no more than 100 pounds of any one class.

40 / 40

When should you avoid using the parking brake?

when the brakes are hot

whenever you park

while on an incline

when the air pressure is low

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