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 the following three hazard classes should NOT be placed into a temperature-controlled trailer (one with a heater/air conditioner unit)?

Classes 1, 3, and 6

Classes 1, 21, and 3

Classes 1, 4, and 51

Classes 1, 3, and 4

2 / 40

The two main things to look ahead for while driving are _____.

bridges and tunnels

traffic and road conditions

truck stops and police

fire and flooding

3 / 40

When driving with multiple trailers, which one should be right behind the tractor?

the trailer longest in length

the trailers shortest in length

the trailer with the smallest road

the trailer with the heaviest load

4 / 40

Select the statement of what you should not do if you are required to drive through flowing water or deep puddles.

drive at a high speed

quickly turn the steering wheel side to side

shift into a lower gear

increase engine rpm

5 / 40

For any flatbed load you must have at least ____ tie downs.

four

two

six

one

6 / 40

Before backing under the trailer after connecting the air lines you should:

take a walk around the vehicle to make sure it is clear of obstructions

have a random pedestrian direct your path of travel

double check to make sure the trailer brakes are off

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

7 / 40

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

This is engine-specific

40-60 psi

20-30 psi

30-75 psi

8 / 40

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

250

125

200

9 / 40

Remember to_____to prevent rollovers.

have the load as low to the ground as possible

drive slowly around turns

all answers listed

have the load centered

10 / 40

Which of the following factors is NOT used to determine your safe speed when going down a long steep downgrade?

weather

total weight of the vehicle and cargo

length and steepness of grade

time of day

11 / 40

If you have riders on board, you must never refuel:

In a closed building.

Unless on a scenic tour bus.

At any time.

With any window open.

12 / 40

Suspension systems:

keep the load secure

keep the axles in place

keep the steering wheel tight

keep the brake drums from failing

13 / 40

Spring brakes are usually held back by_____during normal driving.

air pressure

clamps

pressure of the spring

heat

14 / 40

A tractor should not be backed under a trailer until the whole air system is:

at a level of 50 and 70 psi

at half of its normal pressure

at a level of 70 and 90 psi

at a normal pressure

15 / 40

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

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

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

to provide additional lateral stabilization to the front trailer

removing the dolly before uncoupling is not the correct procedure

16 / 40

Which of the following is not a prohibited practice on the bus:

Talking with riders while driving.

Refueling in a closed building with riders on board.

Towing a disabled bus with riders aboard when getting off would be a safe option.

Fueling your bus with riders on board if about to run out of fuel.

17 / 40

If a rider wants to bring a car battery or a can of gasoline or kerosene aboard your bus, you should:

Not allow the rider to do it.

Instruct the rider to sit next to an open window.

Have the rider pay a second fare.

Put the materials in the bus's "safe box".

18 / 40

The basic description of a hazardous material includes the hazard class, the identification number, and the proper shipping name. Which one must appear first on the shipping paper?

The box number.

The identification number.

The hazard class.

The proper shipping name.

19 / 40

You can be sure air is supplied to the second trailer by:

watch the air gauge for a drop of 30 psi

you should get out and listen for air flowing through the lines

going to the rear of the second trailer and open the emergency line shut off

while driving at 10 mph apply the hand valve you should stop at the same in the same distance as a single trailer driving at 5 mph

20 / 40

Forward and back surge is powerful in this type of tanker.

Hard stroke

Smooth bore

Waffle

Bulktruck

21 / 40

How do you test the trailer service brakes?

apply pressure to the brake pedal

test the brakes out while driving at 5 mph

apply the hand control and check to see if you feel the trailer brakes come on

release air to the spring brakes

22 / 40

Which of the following must drivers have in their possession while transporting class A or B explosives?

None of these answers are correct.

The carrier's insurance policy.

A gas mask.

The written route plan.

23 / 40

At what pressure is the safety valve in the air compressor tank set to open?

150 psi

125 psi

100 psi

225 psi

24 / 40

Select when you should use the hand valve to park a combination vehicle.

never

when parking on a downgrade

when parking at a loading dock

when parking in a commercial lot

25 / 40

Which trailer is most likely to tip over due to the crack the whip effect?

the last trailer of a double

the first trailer of a triples

the last trailer of a triple

the heaviest trailer

26 / 40

What should you do before you begin to couple?

inspect the condition of the frame of the tractor

position the fifth wheel beforehand

check your path for any hazards

activate the spring brakes

27 / 40

A tractor should not be backed under a trailer until the whole air system is:

at a normal pressure

is at half of the maximum pressure

is between 50 and 80 psi

is between 40 and 60 psi

28 / 40

Another term for a smooth bore tank is:

A tank that is made out of stainless steel.

A liquid tank that has baffles.

A liquid tank that does not have baffles.

A tank that is easily portable.

29 / 40

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

use stab or controlled braking

maintain pressure on the brake pedal

use only the engine brakes

use the hand valve

30 / 40

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

release the tractor brakes

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

activate the parking brakes

lift the brake pedal up

31 / 40

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

all of these answers are correct

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

32 / 40

"Outages" is the word to describe the amount of space required for liquids to expand in as they warm.

False, it's when the vehicle air braking system fails in some way

True

False, it's when the vehicle power system fails in some way

False, it's when the vehicle engine fails in some way

33 / 40

Five hazard classes that require placarding in any amount are ______.

poison gas 23, dangerous when wet 43, explosives 13, explosives 12, and explosives 11

corrosive 4, hazardous 14, flammable 2, explosives 7, and radioactive 12

none of these answers are correct

explosives 11, corrosive 8, flammable 3, explosives 14, and poison 61

34 / 40

What is the most important reason for doing a school bus inspection?

To give the mechanic something to do.

To check for flat tires.

To assist the school principal with their report.

For safety required by federal, state, and local laws.

35 / 40

In what position should the converter dolly air tank drain valves and pintle hook be in?

open and latched

closed and latched

closed and open

open and open

36 / 40

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

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

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

The person in attendance must be aware of the danger.

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

37 / 40

Select the true statement about emergency steering and tankers:

Have a firm grip on the steering wheel before making quick movements of the steering wheel.

It is easier to counter steer than other vehicles.

Do not apply the brakes when making quick movements of the steering wheel.

None of the answers listed.

38 / 40

What are the three types of emergency equipment that you must have with your vehicle?

none of these answers are correct

first aid kit, fire extinguisher, flares

fire extinguisher, spare electrical fuses, warning devices for parked vehicles

warning devices for parked vehicles, first aid kit, flares

39 / 40

What should you hook up before backing a tractor to a trailer for coupling?

there is nothing to be hooked up

the electrical service line

the safety bar

the service and emergency air lines

40 / 40

The average person requires how many hours of sleep per 24 hour period?

8 or 9

5 or 6

6 or 7

7 or 8

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