Air Brakes #1
Air Brakes Endorsement Test | Utah 2026 #1 Page 2 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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7 . During a walk-around inspection, ensure there are no cracks on the brake drums that are more than ____ of the width of the friction area.
One tenth
Before beginning a trip, it is important to check the brake drums during your walk-around inspection. It is unsafe to drive if any brake drum has a crack more than one half of the width of the friction area.
8 . If using air tanks with manually operated drains, how often should you drain the tanks?
Once every 3,000 miles
To prevent the build up of oil and water in a vehicle's air tanks, manually operated air tank drains should be used at the end of each day of driving.
9 . Why do you need to drain air tanks regularly?
To remove bad air from the tanks
Compressed air in an air brake system usually contains a certain amount of water and compressor oil. The water and oil can damage the brakes if left to accumulate in the system. Tanks must be drained regularly to remove this build-up.
10 . Manual air tank drains should be:
Compressed air in an air brake system usually contains a certain amount of water and compressor oil. The water and oil can damage the brakes if left to accumulate in the system. Manually operated air tank drains must be opened daily to remove this build-up.
11 . In a dual air brake system, air pressure should build from 85 to 100 psi within ____ seconds.
When inspecting a vehicle with a dual air brake system, you should wait for air pressure to build from 85 to 100 psi in both the primary and secondary systems. This should take about 45 seconds.
12 . ABS brakes:
The purpose of an Anti-Lock Braking System (ABS) is to prevent a vehicle's wheels from locking up when the driver brakes hard on a slippery surface.
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.