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 in regards to empty trucks:

they may have poor traction due to bouncing and wheel lockup

they are easier to stop because there isn't cargo shifting in the trailer

none of the answers listed

they require a shorter stopping distance than a fully loaded trailer

2 / 40

Air pressure loss in a vehicle with a fully charged air system should be less than_______after the initial drop and brake applied.

1 psi a minute

none of the answers listed

4 psi a minute

3 psi a minute

3 / 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 600 feet with is about two football field lengths

about 300 feet which is about a football field length

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

4 / 40

How often should you check the tires on a placarded trailer that has dual tires?

Each time you stop.

Once every three hours.

Once every 100 miles.

Start of each day and every time you stop.

5 / 40

Which of the following is NOT a basic step to be taken at a crash scene?

notify authorities

gather the contact information of all the drivers involved

protect the area

care for the injured

6 / 40

Which of the following is a necessary qualification for non-bulk packaging?

A maximum capacity of 450 l or less if it is used as a receptacle for liquids.

All of these answers are necessary qualifications.

Maximum water capacity of 454 kg or less if used as a receptacle for gases.

Maximum net mass of 400 kg, or less than 450 l if used as a receptacle for a solid.

7 / 40

What is the most important reason for doing a school bus inspection?

To give the mechanic something to do.

To check for flat tires.

For safety required by federal, state, and local laws.

To assist the school principal with their report.

8 / 40

What type fire extinguisher is required in the power unit of a placarded vehicle?

A ul rating of 15 abc.

A ul rating of 5 b/c or above.

A ul rating of 10 b/c or above.

Any of these are acceptable.

9 / 40

When you have a major leak in the service line and you apply pressure to the brakes, the service air pressure will escape and:

the trailer tank pressure will be gone

the tractor spring brakes will kick on

the trailer emergency brakes will kick on

the hand valve will stop functioning

10 / 40

Select the true statement in regards to quick steering movements and double trailers:

it is easier to countersteer doubles/triples than other vehicles

nothing will occur

you should apply a firm pressure to the brake pedal at the same moment you do quick steering movements

it is easier to tip doubles and triples from quick steering movements than other vehicles

11 / 40

You should adjust all the outside left and right side convex mirrors to see:

The entire area to the rear of the mirror along the side of the bus.

The right and left front tires touching the ground.

200 feet behind the bus.

The children's exit path out of the main bus door.

12 / 40

The floor liner for explosives may not:

Contain nails or screws.

Contain any of these materials.

Contain steel or iron.

Contain cracks or holes.

13 / 40

If you are carrying Division 1.2 or 1.3 materials, how far away must you park from the traveled portion of the roadway?

At least twenty feet

At least ten feet

At least half a mile

At least five feet

14 / 40

Why do air brakes take longer to stop than hydraulic brakes?

none of the answers listed

the lines are hotter

longer reaction time

it takes more time for the air to flow through the lines

15 / 40

Which of the following statements about overhead space is true?

warning lights are always installed on low bridges and overpasses

athe heights posted at bridges are usually accurate

an empty van is lower than a loaded one

the weight of the cargo changes a truck's height

16 / 40

Make sure____when the front trailer supports are up and the trailer is sitting on the tractor.

there is enough space for clearance between the landing gear and the tractor frame

both of the answers listed

there is enough space for clearance between the nose of the trailer and the tops of the tractor tires

neither of the answers listed

17 / 40

How do you test the trailer service brakes?

apply the hand control and check to see if you feel the trailer brakes come on

test the brakes out while driving at 5 mph

release air to the spring brakes

apply pressure to the brake pedal

18 / 40

The compressor is connected to the engine via _____?

stag gears

v-belt or gears

r-belt

lines

19 / 40

To inspect the______you should pump the pedal 3 times and hold it down for 5 seconds while making sure the pedal doesn't move during those 5 seconds.

hydraulic brakes

parking brakes

air brakes

engine brakes

20 / 40

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

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

Send someone for help with all the necessary information.

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

Keep driving for help as quickly as possible.

21 / 40

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

Always

For hazards not described in the hazmat manual

Never

During an emergency

22 / 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, 3, and 6

Classes 1, 4, and 51

Classes 1, 3, and 4

Classes 1, 21, and 3

23 / 40

Which of the following statements about overhead space is true?

the heights posted at bridges are usually accurate

the weight of the cargo changes a truck's height

warning lights are always installed on low bridges and overpasses

an empty van is lower than a loaded one

24 / 40

At the end of each shift you should:

Inspect your bus.

Report any damage.

Report any defects.

All of these answers are correct.

25 / 40

What is the purpose of cladding in a tanker?

It eliminates liquid surge.

It controls the temperature of the cargo.

It protects the cargo from changes in temperature.

It protects the tanker form any corrosive cargo.

26 / 40

You should be in the proper gear before going down a hill because:

water may build up in the air tanks if you do not rely on the engine brake

brakes may fail or fade from excessive heat due to relying on them too much and not using the engine brake effect

it builds up the air pressure in the air tanks

it helps control your speed better

27 / 40

A drawbridge does not have a traffic light showing green or a traffic control attendant. How many feet before the draw of a bridge must a bus driver stop?

At least 50 feet.

At least 25 feet.

At least 100 feet.

At least 75 feet.

28 / 40

Select the true statement about handling triples and doubles:

triples and doubles handle the same as singles

because of the crack the whip effect, the rear trailer of a 100-foot triple is less likely to tip over

a tip over of the rear trailer can occur due to sudden movements of the steering wheel

due to off-tracking, a triple bottom rig can come to a stop faster than a 5-axle tractor

29 / 40

How high should you crank the landing gear?

as high up as it will go

for it to be 6 inches above the ground

until the crank handle is loose

so that you can clear railroad tracks

30 / 40

A vehicle placarded for Division 1.1, 1.2, or 1.3 explosives:

May not be parked on the cosignee's property.

May never be parked on private property.

May never be left unattended under any condition.

May be left unattended in a safe haven.

31 / 40

What are some things you should check on the front of your vehicle when doing the walk-around inspection?

tires, steering parts, suspension parts, headlights

low beams, high beams, four way flashers, turn signals

oil, transmission, air compressor, radiator

windshield, wipers, mirrors, hood latches

32 / 40

You should be extra cautious when___while driving a smooth bore tanker combination.

driving up a hill

driving down a hill

unloading or loading

stopping and starting

33 / 40

For any flatbed load you must have at least ____ tie downs.

one

four

two

six

34 / 40

Cargo tanks ____.

are tanks that the military uses to transport hazardous materials

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

are large drums temporarily attached to a vehicle

are bulk packagings permanently attached to a vehicle

35 / 40

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

The low center of gravity of the load.

The high center of gravity of the load.

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

The baffles create odd rocking motions.

36 / 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

37 / 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

tire retread that is mismatched

brakes that are not aligned properly

when using the engine brake more than the brakes

38 / 40

All standing riders must stay:

Behind the standee line.

Within two feet of an emergency exit.

Forward of the rear of the driver's seat.

In front of the standee line.

39 / 40

Select which is not an engine compartement belt:

A power steering belt

An air compressor belt

A safety belt

A water pump belt

40 / 40

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

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

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

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

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