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

If you must stop on the shoulder of the road, you should place warning devices at all of the following places except...

about 100 feet in front of your vehicle

within 10 feet of the front or rear corners

on the other side of a divided highway

about 100 feet behind your vehicle

2 / 40

What is incorrect concerning disruptive passengers?

You must ensure the disurptive rider's safety as well as that of others.

You must remove the disruptive passenger immediately for the safety of the others.

Don't discharge such riders where it would be unsafe for them.

It may be safer to wait and discharge the disruptive passenger at the next scheduled stop or a well-lighted area where there are other people.

3 / 40

A safe haven is ______.

an approved place for parking attended vehicles loaded with flammable materials

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 unattended vehicles loaded with explosive materials

4 / 40

The golden rule for school buses when approaching and crossing railroad tracks is:

None of these answers are correct.

Stop, go, and stop.

Stop, look, and turn on the radio lights overhead.

Stop, look, and listen.

5 / 40

The container for the mechanism that transforms the steering column action into wheel action is:

Steering linkage

Air brake system

Steering hoses/box

Locking pin

6 / 40

Make sure that_____before you back under a trailer.

the trailer brakes have been locked

the air brakes are in an off position

the air supply knob has been pushed it

the air supply knob has been pulled out

7 / 40

What does outage mean?

It is the allowance needed for the expansion of liquid.

It is the weight of the liquid.

It is the movement of the liquid.

It is how quickly the tanks drain.

8 / 40

The pintle hook should be_____ and the converter dolly air tank drain valve is___when doing a walk around inspection of a triple or double trailer.

latched, closed

free, open

latched, open

free, closed

9 / 40

The object that doesn't get checked at the side of the trailer is the:

The frame

The landing gear

The locking pins/tandem release arm

Electrical/air connections

10 / 40

The driver's manual advises you to disconnect the steering axle brake to keep the rig straight:

in ideal conditions

whever you feel like it

when it is raining

never

11 / 40

Which of the following about the front tires on a commercial bus is true?

Can be recapped, but never regrooved.

Must not have recapped or regrooved tires.

Can be regrooved or recapped as long as they have 4/32 tread depth.

Must not be recapped, but can be regrooved.

12 / 40

Which of the following is NOT an important reason to look far ahead when you are driving?

determine if there are any upcoming traffic lights that might require you to stop

determine if there are any hills coming up

look for vehicles coming into your lane

look for brake lights from slowing vehicles

13 / 40

The gauge that needs to come up to normal levels after starting the engine within a few seconds is _____.

oil temperature

oil pressure

blood pressure

air brake pressure

14 / 40

How do you secure a second trailer to your combination vehicle?

use emergency air brakes, spring brakes, and wheel chocks together

none of the answers listed

use wheel chocks only

use the emergency air brakes or the trailer's spring brakes only

15 / 40

A leak rate for a straight truck or bus air brake system should not exceed _____psi per minute when the engine is off and the brakes are released.

16 / 40

The safety catch for the fifth wheel locking lever must be ____ for a coupling to be complete.

below the locking lever

threaded through the locking lever

above the locking lever

sticking straight up

17 / 40

While driving at night, which lights should you use as often as you can?

low beams

high beams

novelty lights

emergency flashers

18 / 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.

19 / 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.

20 / 40

A placarded vehicle must carry what type of fire extinguisher?

One with a rating of 10 b/c minimum.

One with a rating of 5 a/b minimum.

One with a rating of 10 a/b minimum.

One with a rating of 5 b/c minimum.

21 / 40

Select the answer that is controlled by the foot brake.

the service air line

the shut off valves

the emergency brake

the engine brake

22 / 40

The method used to make sure the spring brakes will come on automatically is to:

Apply pressure on and off the brake pedal to increase the air tank pressure. The parking brake knob should pop out when the air pressure meets to the manufacturer’s specification.

Apply pressure on and off the brake pedal to decrease the air tank pressure. The parking brake knob should pop out when the air pressure drops to 120 psi.

Apply pressure on and off the brake pedal to decrease the air tank pressure. The parking brake knob should pop out when the air pressure meets to the manufacturer’s specification.

Apply pressure on and off the brake pedal to decrease the air tank pressure while driving at a high a speed. The parking brake knob should pop out when the air pressure meets to the manufacturer’s specification.

23 / 40

When is it best to wear your seat belt?

Always.

Only if required by company policy.

Only when you will be driving over 35 mph.

Only if your bus holds more than 27 people.

24 / 40

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

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

there will be a trailer jackknife

the rig will slide sideways but stay in a straight line

nothing will occur

25 / 40

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

None of these answers are correct.

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

A bulk container not permanently attached to a vehicle.

A bulk container permanently attached to a vehicle.

26 / 40

____is what can legally hold the parking brake or emergency brake in position for a bus, truck, or truck tractor.

All of these answers are correct

Brake pressure

Air pressure

Spring pressure

27 / 40

In the event of a tire failure you should...

pump the brakes until you come to a stop

accelerate quickly until you find a place to pull over

disengage the clutch so you are in neutral gear

stay off the brake and hold the steering wheel firmly

28 / 40

How do you make sure the trailer height is correct before coupling?

visually check that the lead trailer is higher than the fifth wheel so that the trailer will lower when the dolly is pushed under it

visually check that they are level height wise

you do not need to do a visual check

visually check that the rear trailer is lower than the fifth wheel so that the trailer raises slightly when the dolly is pushed under it

29 / 40

What do you check when doing a visual inspection of the coupling?

that the locking jaw is open around the kingpin and that there is some space between the lower and upper fifth wheel

that the locking jaw is closed around the kingpin and that there is no space between the upper and lower fifth wheel

none of the answers listed

the locking jaw is closed around the kingpin and there is no space beween the lower and upper fifth wheel

30 / 40

You should expect____when backing a tractor under a trailer.

the trailer to be completely still

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

the trailer to lift slightly

the trailer landing gear to be fully extended

31 / 40

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

The driver

The carrier

Your spouse

The shipper

32 / 40

The best way to have control on curves is:

you do not need to do anything different

to shift to a lower gear before entering the curve

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

keep pressure on the brake pedal through the turn

33 / 40

What should you do if you start a trailer skid?

quickly step on the brakes

use your trailer hand brake

slowly apply a firm pressure to the brakes

release the brakes to get traction back

34 / 40

Select the true statement in regards to an application pressure gauge:

it is connected to the generator

when accelerating it releases air

it prevents the brakes from failing

it shows how much air pressure you are applying to the brakes

35 / 40

What is the purpose of a baffle?

It makes it easier to clean the tanker out.

It stops side to side surging.

It controls the surge of liquid forward and backwards.

It allows you to haul loads that are mixed.

36 / 40

Another term for a smooth bore tank is:

A liquid tank that has baffles.

A tank that is easily portable.

A liquid tank that does not have baffles.

A tank that is made out of stainless steel.

37 / 40

An example of a low pressure warning signal for air brakes is:

all of these answers are correct

a wig wag mechanical arm

a buzzer

red light

38 / 40

You need to raise the landing gear just to the height of where it clears the pavement before driving.

false

only in raining conditions

true

only in ideal conditions

39 / 40

Select the correct description for a bulkhead tank.

It is one large tank.

They are divided down into smaller tanks.

None of the answers listed.

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

40 / 40

The minimum tread depth for steering axle tires is:

4/32 inch

2/23 inch

None of the answers listed

14 mm

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