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

Double and triple trailers should be driven with care to avoid a rollover or jacknife.

false

only in ideal conditions

true

only on downgrades

2 / 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 75 feet.

At least 100 feet.

At least 50 feet.

At least 25 feet.

3 / 40

When approaching railroad tracks, stop your bus:

Only if you have manual transmission, then proceed with flashers on.

5-10 feet before railroad tracks.

15 and 50 feet before railroad crossings.

On the tracks so you can see if the train is coming.

4 / 40

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

there is no way to know if there is an issue

you will be unable to realse the trailer brakes

you will have brakes that are not operational

you will be unable to release the tractor brakes

5 / 40

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

This is engine-specific

30-75 psi

20-30 psi

40-60 psi

6 / 40

You should____in order to inspect the coupling.

if necessary, use a flashlight

make sure the locking lever is in the open position

make sure to have space between the lower and upper fifth wheel

have the fifth wheel jaws open

7 / 40

What is a king pin?

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

it is a pin that locks the air brake lines together

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

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

8 / 40

How can you determine if your vehicle is equipped with ABS?

check for yellow abs malfunction lamps on the instrument panel

check if your vehicle was manufactured after March 1, 1998 (they are required to have the panel light)

look for wheel speed sensor wires that are coming from the rear of your brakes

all of these answers are correct

9 / 40

How many seats may be placed in the aisle if the bus is a charter and is carrying agricultural (farm) workers?

10 / 40

Select the action that is not appropriate when driving on slippery roads:

use a light pressure on the brake and accelerator pedals

none of the answers listed

use a speed retarder or engine brake

avoid having traffic in your side space

11 / 40

To maintain alertness during the trip, drivers should:

schedule trips during the daytime hours

avoid medications that cause drowsiness

get 8-9 hours of sleep

all of these answers are correct

12 / 40

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

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

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

More than 250 pounds total of all allowed hazardous materials.

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

13 / 40

Select the true statement about empty trucks:

They have better traction on wet roads than full tanks.

All answers listed.

They can take longer to stop than a truck with a full tank.

They come to a stop faster when you use only the emergency brake.

14 / 40

What should you do if you start a trailer skid?

slowly apply a firm pressure to the brakes

quickly step on the brakes

release the brakes to get traction back

use your trailer hand brake

15 / 40

The blind spot behind the bus could extend to how many feet?

200 feet

300 feet

400 feet

100 feet

16 / 40

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

about 300 feet which is about a football field length

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

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

about 600 feet with is about two football field lengths

17 / 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.

slack adjusters

brake disc

air lines

brake drums

18 / 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 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.

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.

19 / 40

The longest crack that brake or disc drums can have is:

1/2 inch across in a straight line.

Cracks are not permitted.

None of the answers listed.

1/2 the width of the friction area.

20 / 40

The CDL manual indicates the last step on picking up students at the bus stop is as follows:

Make a final check to confirm all traffic stops before opening the bus door and signaling students to approach.

Place transmission in park or neutral and set parking brake.

Open the service door just enough to activate the alternating red light when traffic is in a safe distance from the bus.

Activate the amber flashing caution lights to warn vehicles that the bus will stop to load passengers soon.

21 / 40

Before pulling away, make sure the landing gear of the trailer is:

Down and that the handle is hanging free.

Down and that the handle is secured.

Raised and that the handle is hanging free.

Raised and that the handle is secured.

22 / 40

Under which two special conditions should you downshift?

before entering a curve and before going up a hill

before starting down a hill and before going up a hill

if there is an accident and in sudden heavy rain

before starting down a hill and before entering a curve

23 / 40

Select when you should use the parking brake:

each time you leave your vehicle for any amount of time

with rare exception, every time you leave your vehicle

when in residential areas

when you are leaving your vehicle for more than an hour

24 / 40

How do you supply air to the trailer tanks?

by pushing in the trailer air supply valve

by connecting the red and blue lines

by connecting the service line glad hand

by pulling out the trailer air supply valve

25 / 40

Select which vehicles are required to have a low air pressure warning signal:

all operating vehicles with air brakes

all vehicles built after 2005

all vehicles built after 2010

they are optional

26 / 40

Suspension systems:

keep the brake drums from failing

keep the axles in place

keep the load secure

keep the steering wheel tight

27 / 40

Select the statement that best describes what the service line is for.

it is controlled by the foot brake or trailer hand brake and carries air

it is controlled by the trailer hand brake and carries air

all answers listed

it is controlled by the foot brake and carries air

28 / 40

Your vehicle is going down a long hill and your brakes begin to fail. What should you do?

look for an escape ramp or an escape route

put the gears in neutral

pump the brake pedal

downshift

29 / 40

When driving tank vehicles you should:

Maintain the posted speed limit as you enter the curve.

Come to a stop before entering a curve and then accelerate through it.

Decrease your speed before entering a curve and then accelerate through it.

None of the answers listed.

30 / 40

Mirrors with a convex surface or "spot" mirrors _____.

make things look farther away and smaller than they actually are

they show a larger area than flat mirrors so do not need to be checked as often

make things look closer and larger than they actually are

are illegal in most states

31 / 40

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

pull on the slack adjusters after draining the air from the system

pull on the slack adjuster while the parking brakes are on

make sure there is an inch of leeway in each direction for the slack adjuster

pull hard on each slack adjuster while wearing gloves

32 / 40

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

All of these answers are correct.

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.

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

33 / 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

34 / 40

A safe haven is:

A place to stay once you have reported your company for illegal activity.

A place that has been approved to park unattended vehicles carrying explosives.

The slang term for the last stop at the end of your driving day when carrying hazardous materials.

A place where it is safe to dump any kind of hazardous materials.

35 / 40

What should the driver pay special attention to when driving smaller tanks?

The high center of gravity.

The distrubition of weight.

All answers listed.

The level of the fluid.

36 / 40

What kind of surge can occur in a tank with baffles?

Back to front

Bottom to top

Side to side

All answers listed

37 / 40

When driving on a clear night with the vehicle lights on, your speed should be such that you can stop within _____.

2 times the length of your vehicle

the distance you will travel in 10 seconds time

the distance you can see ahead of you

the length of half a football field

38 / 40

Select the true statement about handling triples and doubles:

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

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

triples and doubles handle the same as singles

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

39 / 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.

licensed, manifest

registered, uniform hazardous waste manifest

responsible, papers

trucking, uniform hazardous waste manifest

40 / 40

The manual says you should look _____ ahead while driving.

15 to 20 seconds, at highway speeds, about a half of a mile

12 to 15 seconds, at highway speeds, about a quarter of a mile

5 to 8 seconds, at highway speeds, about an eighth of a mile

9 to 12 seconds, at highway speeds, about a quarter of a mile

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