Air Brakes #1
Air Brakes Endorsement Test | Utah 2026 #1 Page 3 of 4
Train for FREE online with our Utah CDL air brake test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a UT Class A/Class B driver license in 2026, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that the requirements for CDL may vary from state to state.
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13 . On a truck with air brakes, the braking system’s air compressor:
Cleans the brakes.
In an air brake system, the air compressor pumps air into the air storage tanks. The air compressor is controlled by the air compressor governor.
14 . If the low air pressure warning signal comes on in a vehicle with air brakes, the driver should:
If the low air pressure warning signal comes on while you are operating a vehicle with air brakes, you should stop and safely park the vehicle as soon as possible. It is essential that you are able to stop safely while you still have some braking power remaining.
15 . What kind of force must emergency brakes use?
Electrical
Because air pressure can eventually leak away, the emergency brakes in an air brake system must be held on by mechanical force.
16 . Failing to drain air tanks could result in:
In an air brake system, the air tanks must be periodically drained to remove accumulations of water and compressor oil. If water is not removed, it could freeze in cold weather and cause brake failure.
17 . Before driving a vehicle with air brakes, you should ensure that the spring brakes come on automatically when:
Driving uphill.
Before driving a vehicle with air brakes, you should ensure that the spring brakes come on automatically when air tank pressure falls to a level between 20 and 45 psi. You can do this by chocking the wheels and releasing air from the braking system by stepping on and off the brake pedal. Once the pressure drops to an unsafe level, the parking brake valve should pop out and spring brakes should come on.
18 . Most heavy-duty vehicles use:
Quadruple air brake systems.
Most heavy-duty vehicles use dual air brake systems. A dual system has two separate air brake systems with a single set of controls.
See the exact questions that will be on the 2026 Utah DMV exam.
99.2% of people who use the cheat sheet pass the FIRST TIME
Lillian MCcranie explains how our CDL study guide was helpful in passing the exam and recommends it to everyone.
Cameron tells us how he purchased the CDL exam, and found it to be a useful tool which helped him pass the exam and find a job.
2026 Utah | Frequently Asked Questions
To get a CDL Passenger endorsement in Utah, first obtain a Commercial Driver's License (CDL). Next, pass the Passenger Endorsement knowledge test. After passing the test, you'll need to complete a skills test in the type of vehicle you plan to drive. The Utah Driver License Division provides study materials and scheduling for these tests.
To obtain a CDL Passenger license in Utah, you must be at least 21 years old, possess a valid Commercial Driver's License (CDL), and pass the Passenger Endorsement knowledge test. You also need to pass a skills test in the vehicle type you plan to drive. A clean driving record and passing a medical examination are also required.
While specific training isn't legally required for a CDL Passenger endorsement in Utah, it's highly recommended. Understanding how to handle larger vehicles and passenger safety is crucial. Experience is gained through the skills test, where you'll operate the type of vehicle you plan to drive. Study materials are provided by the Utah Driver License Division.
Yes, acquiring a CDL Passenger endorsement in Utah requires passing an additional written knowledge test on top of the standard CDL exam. This test covers topics specific to transporting passengers, such as safety procedures, vehicle inspection, loading/unloading passengers, and emergency situations. Passing this test is mandatory to receive the endorsement.
During the CDL Passenger endorsement skills test in Utah, you'll need to demonstrate your ability to inspect your vehicle, check safety equipment, load and unload passengers safely, and manage emergency situations. You'll also need to show proficiency in maneuvering the vehicle, including starting, stopping, turning, and backing up.
No, you cannot legally transport passengers in Utah without a valid CDL Passenger endorsement. This endorsement is required for drivers of vehicles designed to carry 16 or more passengers, including the driver. Driving such vehicles without the proper endorsement can result in fines, license suspension, and other penalties.
Yes, you can add the CDL Passenger endorsement to your existing Commercial Driver's License (CDL). To do so, you'll need to pass the Passenger Transport Test, which includes both a knowledge test and a skills test. Once you've passed, the endorsement will be added to your CDL. You do not need to apply for a new license.
Yes, there are specific limitations for drivers with a CDL Passenger endorsement in Utah. For instance, you cannot transport passengers in a vehicle for which you don't have the proper class of CDL. Additionally, if your license has a "P" restriction, you're not allowed to operate a bus. Violating these restrictions can result in fines or loss of your CDL.
Yes, there are age-related prerequisites for acquiring the CDL Passenger endorsement in Utah. You must be at least 21 years old to drive a commercial vehicle across state lines or to carry hazardous materials. However, if you're 18 years or older, you can get a CDL for intrastate travel (within Utah only).
With a CDL Passenger endorsement in Utah, you're eligible to operate commercial vehicles designed to transport 16 or more passengers, including the driver. This includes buses, shuttle vans, and certain types of limousines. However, the specific class of your CDL (A, B, or C) may further determine the exact types of vehicles you can drive.
