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 baffled tankers:

It has separate tanks.

None of the answers listed.

It has walls with holes inside for liquid to flow through.

It has hollow balls in it to slow the motion of the liquid in the trailer.

2 / 40

Should the air pressure in the service air tanks fall below____the driver must be alerted via warning mechanism in the truck cab.

30 psi

50 psi

80 psi

60 psi

3 / 40

Select the true statement in regards to crossing your air lines on a new trailer with spring brakes

you will be unable to realse the trailer brakes

you will be unable to release the tractor brakes

there is no way to know if there is an issue

you will have brakes that are not operational

4 / 40

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

pull on the slack adjuster while the parking brakes are on

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 adjusters after draining the air from the system

5 / 40

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

press down on the brake pedal twice

have the trailer brakes off

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

all answers listed

6 / 40

What is the normal operating range for a truck's oil pressure?

30-75 psi

This is engine-specific

40-60 psi

20-30 psi

7 / 40

Do converter dollies have spring brakes?

yes

some do

none of the answers listed

8 / 40

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

May be left unattended in a safe haven.

May never be parked on private property.

May not be parked on the cosignee's property.

May never be left unattended under any condition.

9 / 40

What product is typically carried in a liquid tank trailer without baffles?

Fertilizer.

Food or milk products.

Hydrogen peroxide.

Fuel.

10 / 40

Drivers who transport route controlled radioactive materials must carry a dated certificate of radioactive materials training. This training must have ocurred within the last:

1 years

4 years

3 years

2 years

11 / 40

A trailer is at the right height to have the tractor backed up to it when:

it'll raise slightly when the tractor is backed up under it

the kingpin is about 1 1/5 inches above the fifth wheel

the top of the kingpin is even with the bottom of the fifth wheel

the fifth wheel will not come in contact with the kingpin

12 / 40

Select what you should do before leaving the vehicle unattended:

apply the parking brakes

chock the wheels

remove the keys from the ignition

all of these answers are correct

13 / 40

_____ create a little above 90 degree angle between the adjuster arm and push rod when the brakes are released and no less than 90 degrees when the brakes are applied.

brake drums

slack adjusters

brake disc

air lines

14 / 40

What will occur as a result of failing to perform all 3 components of the air brake check?

None of the answers listed.

An automatic failure of the vehicle inspection test.

A deduction of 15 points.

The driver must restart the pre-trip from the beginning.

15 / 40

The gauge that indicates normal or increasing lubrication pressure to prevent engine seizure, failure or breakdown is:

Voltmeter

Power steering

Coolant system

Oil pressure

16 / 40

To be sure that air is supplied to the second trailer:

open the emergency line shut off at the back of the second trailer

crank the engine brake

while driving at 10 mph, use the hand valve. The vehicle should stop in the same distance of a single trailer moving at 5 mph

keep an eye of the air gauge for a drop of 30 psi

17 / 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

18 / 40

A portable tank differs from a cargo tank in that ______.

cargo tanks are bulk containers, which are not permanently attached to a vehicle

none of these answers are correct

portable tanks are bulk containers, which are permanently attached to a vehicle

portable tanks are bulk containers, which are not permanently attached to a vehicle

19 / 40

Remember to_____when steering to avoid a crash while driving doubles.

have both hands on the steering wheel

keep your foot off the brake while turning

be prepared to counter-steer

all answers listed

20 / 40

If students must cross the street, when they get off the bus, which statement is true?

If the bus is equipped with the crossing gate, the danger of running over the child is eliminated.

For crossing, students should make eye contact with the bus driver and wait for the driver's signal that it is safe to proceed.

When the driver signals that it is safe to proceed, the students must run across the street to reduce the exposure to danger.

The student should wait to cross the street until the bus continues on its route.

21 / 40

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

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

they make things closer and larger than they really are

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

they are against the law in the majority of states

22 / 40

Vehicle handling can become unsafe if the weight is not properly balanced. Hard steering can be caused by:

too little weight on the driving axles

too much weight on the steering axles

high center of gravity

under loaded front axles

23 / 40

You should____when an emergency requires you to quickly stop due to a crash.

use stab or controlled braking

use only the engine brakes

maintain pressure on the brake pedal

use the hand valve

24 / 40

Select the true statement in regards to if a glad hand on the blue air line is missing a seal.

there may be an emergency line air leak

you should remove one from the red air line to use as a temporary replacement

it is not a big problem

there may be a service line air leak

25 / 40

The most dangerous time during the school bus ride is:

When the students become unruly on the bus.

When loading and unloading students.

On long bus journeys.

Crossing railway crossing.

26 / 40

Make sure that_____before you back under a trailer.

the air supply knob has been pushed it

the air supply knob has been pulled out

the trailer brakes have been locked

the air brakes are in an off position

27 / 40

Where are shut-off valves located?

at the front and back of the trailer

at the front of the trailer

either at the front or the back of the trailer

at the back of the trailer

28 / 40

Why are you required to take an exam about air brakes?

all trucks have air brakes

you would have to get a CDL with a restriction otherwise

you cannot receive a CDL at all otherwise

it is a federal requirement

29 / 40

When should you avoid using the parking brake?

while on an incline

when the brakes are hot

when the air pressure is low

whenever you park

30 / 40

When fueling a placarded vehicle, someone must always be:

Be at the rear most corner on the vehicle.

At the emergency power shut off for the pump.

At the nozzle, controlling the fuel flow.

Within 10 feet of the pump with a fire extinguisher.

31 / 40

Select the definition for outage:

It is how much power is lost to the hydraulics.

It is the liquid that must be drained off to meet legal carry limit.

It is the process of liquid expansion as it becomes warm.

It is loss of power to the headlights.

32 / 40

It is very important that you never smoke around which hazard classes?

All hazard classes.

Explosives, flammable gas, oxidizers, flammable solids, flammable liquids.

It is ok to smoke anywhere.

Corrosive, radioactive, dangerous, slippery when wet, inhalation.

33 / 40

You should check____when loading the small tanks of a cargo tank with bulkheads.

the weight distribution

none of the answers listed

the expansion rate

the fuel to air ratio

34 / 40

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

Shift the gear to neutral.

Listen for any unsual noises after starting the engine.

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

Start the engine after getting in the cab.

35 / 40

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

the air compressor

the one-way check vavle

the engine protection valve

the tractor relay valve

36 / 40

Who is responsible for packaging, labeling, and preparing the hazardous material shipping papers for a common carrier?

The driver

Your spouse

The shipper

The carrier

37 / 40

You should have the fifth wheel plate greased as recommened because:

it will reduce noise and heat

it will ensure a good air line connection

it will prevent steering problems

it will ensure a good electrical connection

38 / 40

You should_____to uncouple the converter dolly.

chock the wheels, lower the landing gear, and disconnect the safey chains

disconnect the safey chains, lower the landing gear, and chock the wheels

chock the wheels, disconnect the safety chains, and then lower the landing gear

lower the landing gear, disconnect the safety chain, and chock the wheels

39 / 40

At the end of each shift you should:

Report any damage.

Inspect your bus.

Report any defects.

All of these answers are correct.

40 / 40

Why does it take special skills to haul a tank vehicle?

It is top heavy.

The weight of the load is high up off the road.

All of the answers listed.

There is a high center of gravity.

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