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

This gauge has a governor cut-off.

The coolant temperature gauge

Oil pressure gauge

The ammeter gauge

Air gauge

2 / 40

You should check that the following makes an audible noise:

Air leaks

Engine brakes

Radio system

Electric or air horn

3 / 40

Which seats must have a seat belt:

Women and children seats.

The driver's seat.

All of these answers are correct.

Senior citizen seats.

4 / 40

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

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.

Place transmission in park or neutral and set parking brake.

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

5 / 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.

200 feet behind the bus.

The right and left front tires touching the ground.

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

6 / 40

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

Locking pin

Air brake system

Steering linkage

Steering hoses/box

7 / 40

You should___to reduce the air leakage rate.

release the service brake after turning off the engine

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

release the service brake as the engine is running

leave the engine running while charging the air system

8 / 40

The _____of the kingpin has the locking jaw close around it.

dull section

tip

shank

apex

9 / 40

Tankers used to transport hazardous materials on vehicles must be marked with:

The owner's puco or icc number.

The un or na id number of the product.

The date of manufacture.

The chemtrec phone number.

10 / 40

The main reason you should pull the dolly out from under a trailer before disconnecting it from the trailer in front is:

to provide additional lateral stabilization to the front trailer

removing the dolly before uncoupling is not the correct procedure

it is possible that the dolly tow bar could fly up making it difficult to re-couple

so the rear-trailer's air brake system will stay charged and keep the trailer wheels locked to prevent rolling

11 / 40

How high should you crank the landing gear?

as high up as it will go

until the crank handle is loose

for it to be 6 inches above the ground

so that you can clear railroad tracks

12 / 40

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

the one-way check vavle

the engine protection valve

the air compressor

the tractor relay valve

13 / 40

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

Must not be recapped, but can be regrooved.

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

Must not have recapped or regrooved tires.

Can be recapped, but never regrooved.

14 / 40

As the driver of a bus, how can you best avoid hindering other traffic on the highway?

By staying in the right lane if you can.

By driving faster than the other traffic.

By passing only the slowest vehicles.

By never passing.

15 / 40

The bus driver must accept responsibility for supervising and controlling students while on the bus route. Who is the person in charge?

Students on the bus.

Parents of the students on the bus.

The school district superintendent.

Bus driver.

16 / 40

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

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

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

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

crank the engine brake

17 / 40

If your bus is equipped with an emergency exit door, it must:

Be secured when the bus is being driven.

Always have a red door light turned on.

Not have any signs, stickers, or markings near it.

All of these answers are correct.

18 / 40

You should expect____when backing a tractor under a trailer.

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

the trailer to be completely still

the trailer landing gear to be fully extended

the trailer to lift slightly

19 / 40

At 55 miles-per-hour it takes about 6 seconds to stop a fully loaded truck and the braking distance is:

about 1/4 mile

about two car lengths

about the length of a football field or 100 yards

about two truck lengths

20 / 40

Select the statement that is true in regards to what is required of a driver with a double or triple trailers:

all of the answers listed

increase your following distance

none of the answers listed

drive with extra care in mountains and in bad weather

21 / 40

Select the true statement in regards to managing the space to the sides:

you should drive down the center of both lanes over the pavement markings

you should try to avoid driving next to others when possible

high wind gusts will not cause any issues for doubles or triples

you should always keep your vehicle to the right side of the lane

22 / 40

What can side to side surge cause?

A roll over.

An increase in speed.

A spontaneous combustion.

An engine system failure.

23 / 40

Select the true statement in regards to converter dollies:

they typically do not have spring brakes

they typically have a lot of stopping power because of their size

they typically require a hand converter

they typically have small braking power because of their size

24 / 40

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

stay off the brake and hold the steering wheel firmly

pump the brakes until you come to a stop

disengage the clutch so you are in neutral gear

accelerate quickly until you find a place to pull over

25 / 40

How many different hazard classes are there?

26 / 40

When checking for_____you are looking for dripping fluids or puddles on the ground below the transmission or engine.

air brake system

coolant level

leaks

power steering fluid

27 / 40

When should you not use the parking brakes?

while in hot weather

while on a steep hill

when the brakes are hot

when air pressure is low

28 / 40

Which of the following statements about loading and unloading cargo tanks is false?

The person attending the tanker must have a clear view of it.

The person in attendance must be authorized and able to move the vehicle.

The person in attendance must be within 50 ft of the tanker.

The person in attendance must be aware of the danger.

29 / 40

How often should you drain your air tanks?

at the end of each trip

at the end of each week

at the end of each shift

at the beginning of each month

30 / 40

How should the hand valve be used?

only when accompanied by the foot brake

only when the trailer is loaded to its maximum weight

to test the trailer brakes

only when accompanied by the service brakes

31 / 40

What does the drain valve for air tanks remove?

air and oil

oil and water

water and air

oil and dirt

32 / 40

A truck with baffles will handle:

With less front to back surge compared to trailers without baffles.

Heavier that it actually is.

The same as a tanker with no baffles.

None of the answers listed.

33 / 40

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

within 10 feet of the front or rear corners

on the other side of a divided highway

about 100 feet in front of your vehicle

about 100 feet behind your vehicle

34 / 40

Why should you use chocks when parking a trailer without spring brakes?

the trailer wheels are free to turn as there will be no emergency brakes should the air supply in the trailer air tank leak

to prevent a runaway trailer

to prevent someone from stealing the vehicle

the trailer wheels are free to turn as there will be no service brakes should the air supply in the trailer air tank leak

35 / 40

What does outage mean?

It is how quickly the tanks drain.

It is the weight of the liquid.

It is the movement of the liquid.

It is the allowance needed for the expansion of liquid.

36 / 40

After deciding the type of evacuation that is necessary, the next step you must take is:

Securing the bus.

Opening the emergency exits.

Notifying the dispatch office of the evacuation.

Dangle the radio microphone out of the driver window for later use.

37 / 40

To avoid rollover when going through a curve, the best thing to do is:

Drive at a speed higher than the posted speed limit.

Ride the brakes through the curve.

Drive at a speed below the posted speed limit.

Pump the brakes through the curve.

38 / 40

If hazardous material is spilling from your vehicle, do not move your vehicle:

Any more than safety required.

Any more that 450 feet.

In an upwind direction.

Any more than 500 feet.

39 / 40

Tires should should be replaced:

if the tread depth on your front tires is less than 4/32 deep

when the tread separates

when there are broken valve stems

all of these answers are correct

40 / 40

The bolst, brackets, or bushings that attach the air bag and/or spring to the vehicle and axle frame are _____.

shock dampeners

spring mounts

lug bolt

none of the answers listed

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