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

Which of these is a good rule for backing a straight bus?

Back quickly while no one is coming.

Use your head as the mirrors are unreliable.

Back and turn toward the driver's side.

Back toward the side opposite the driver.

2 / 40

When fueling a placarded vehicle, someone must always be:

At the emergency power shut off for the pump.

Within 10 feet of the pump with a fire extinguisher.

Be at the rear most corner on the vehicle.

At the nozzle, controlling the fuel flow.

3 / 40

What is the earliest way to notice a trailer skid?

you can feel a jerk in the back of the tractor

you can hear the tires squealing

you can feel it pulling your steering wheel

you can see it in your mirrors

4 / 40

A bus has a GVWR of 22,000 pounds and seats 24 passengers. What CDL class is this vehicle?

Class A

Class C

Class B

Class D

5 / 40

This component should be checked that it is solid, securely bolted to the tracture frame, and clear of objects.

The catwalk

The fifth wheel

The platform

The locking kingpin

6 / 40

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

never

in ideal conditions

whever you feel like it

when it is raining

7 / 40

School buses are one of the safest means of transportation. What two key factors contribute to this impressive safety record?

Vehicles and road conditions.

School district policies and police involvement.

Bus drivers and driver training.

Vehicles and drivers.

8 / 40

Which of the following is something the driver must watch for:

Poles and tree limbs at stops.

Gaps your bus needs to accelerate and merge with traffic.

All of these answers are correct.

Appropriate clearance around and over the bus.

9 / 40

Which seats not securely fastened to the bus are usually allowed?

Window seats.

The driver's seat only.

Any of the last row seats.

None of these answers are correct.

10 / 40

In what position should the converter dolly air tank drain valve be in for double trailer combination?

in an open position

in a 1/3 open position

in a closed position

in a halfway closed position

11 / 40

How many different hazard classes are there?

12 / 40

The sliding mechanism and locking device for a tandem axle on trailers is:

Suspension system

Metal frame

Apron

Locking pins/tandem release arm

13 / 40

Select the part that is not a part of the drum brake:

safety valve

slack adjuster

brake drum

axle

14 / 40

It is important to know the outage required for the liquids you carry because:

Tank baffles may not always be permitted with outage.

None of these answers are correct.

Some of the denser liquids don't need any.

Some liquids will expand more than others when warm.

15 / 40

Surge affects the handling of a tanker by:

Allowing you to take tighter turns.

Increasing the wind drag.

None of the answers listed.

Moving the truck in the direction the liquid flows in.

16 / 40

You should check your tires every ____ or every ____ when driving in very hot weather.

2 hours, 100 miles

3 hours, 200 miles

1 hour, 50 miles

5 hours, 250 miles

17 / 40

In the event of an accident you should remember to do the following EXCEPT:

protect the area

stop any bleeding and keep the victims warm

notify authorities

move the victims out of the way immediately

18 / 40

Select the correct setup for shut-off valves:

the rear shut-off valves are closed and the front trailer valves are open

the front and back shut-off valves are open

the front and back shut-off valves are closed

the front shut-off valves are closed and the rear trailer valves are open

19 / 40

This item should be firmly attached the to frame, be solid, and clear of objects:

The lock pins

The catwalk

The locking jaw

None of these answers are correct answers are correct

20 / 40

What are slack adjusters?

they are between the S-Cam on drum brakes and the push rod

they are a part of the air brake system that adjusts the brakes

all of these answers are correct

they are between the push rod on disc brakes and power screw

21 / 40

You should brake on a long steep downgrade hill as a supplement to the braking effects of the engine

when the vehicle is runaway

yes

when the GVCW is above 20,000 lbs

22 / 40

What will happen right away should the service air line come apart but the emergency line is intact while driving a combination vehicle?

the emergency tractor brakes will activate

you will come to a complete stop

nothing will occur until you try to use the brakes

the trailer's air tank will leak through the one line

23 / 40

How do you make sure the air lines are not crossed and the trailer brakes are working after supplying air to the trailer?

activate the parking brakes

lift the brake pedal up

release the tractor brakes

listen for brake sounds as you apply pressure off and on the trailer brakes

24 / 40

What is the purpose of cladding in a tanker?

It protects the cargo from changes in temperature.

It controls the temperature of the cargo.

It eliminates liquid surge.

It protects the tanker form any corrosive cargo.

25 / 40

When would a drive-wheel skid result in a jackknife when pulling doubles?

when the trailer slides to the right into the shoulder

when the trailer pushes the towed vehicle sideways

when the tractor brakes lock up

when the tractor spins around

26 / 40

Which seats must have a seat belt:

Senior citizen seats.

The driver's seat.

All of these answers are correct.

Women and children seats.

27 / 40

What is the next step after securing the bus when you have an unruly child on board?

Call school administrator or the police to remove the student.

Stand up and speak respectfully to the offender, if a change of setting is needed, have the student move to a seat near you.

Unload the student at the next stop.

Remove the student from the vehilce for the safety of the other children.

28 / 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 with baffles inside that slow the flow.

All answers listed.

It can occur when driving through a curve.

It can occur even when driving at the posted speed limit.

29 / 40

Make sure that_____before you back under a trailer.

the air supply knob has been pulled out

the trailer brakes have been locked

the air brakes are in an off position

the air supply knob has been pushed it

30 / 40

If you are hauling hazardous materials and have ___ tires on your vehicle, you must stop and check them every time you park.

bias

radial

treaded

dual

31 / 40

In the event of an accident you should remember to do the following EXCEPT:

move the victims out of the way immediately

stop any bleeding and keep the victims warm

notify authorities

protect the area

32 / 40

There must not be more than_____for engine compartment belts.

1/2 inch of play at the center of the belt

1/4 inch of play at the ends of the belt

3/4 inch of play at the center of the belt

1/2 inch of play at the end of the belts

33 / 40

When you have a major leak in the service line and put on the brake, the service air pressure will escape and cause the:

the trailer tank pressure to decrease

the trailer emergency brakes to activate

the tractor spring brakes to activate

none of the ansers listed

34 / 40

An air system that is fully charged will typically have ___ psi of pressure.

200

250

125

35 / 40

How should the shut off valves at the rear of the trailer be when inspecting doubles?

open at the rear of the last trailer and front trailer

closed at the rear of the last trailer and front trailer

none of the answers listed

closed at the rear of the last trailer and open at the rear of the front trailer

36 / 40

You should___to reduce the air leakage rate.

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

release the service brake after turning off the engine

release the service brake as the engine is running

leave the engine running while charging the air system

37 / 40

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

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

they are against the law in the majority of states

they make things closer and larger than they really are

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

38 / 40

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

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.

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

39 / 40

When transporting hazardous waste, you must:

All of these answers are correct.

Carry a uniform hazardous waste manifest in the truck.

Have the word "waste" before the name of the material on the bills.

Sign a uniform hazardous waste manifest.

40 / 40

Which of the following statements is FALSE:

Do not tow or push a disabled bus with riders aboard either vehicle, unless getting off the bus would be unsafe.

Do not talk with riders or engage in any other distracting activity while driving.

Do not transport intoxicated passengers.

Avoid fueling your bus with riders on board unless absolutely necessary. never refuel in a closed building with riders on board.

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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