Combination #2
Combination Vehicles Practice Test | Utah 2026 #2 Page 4 of 4
Train for FREE online with our Utah CDL combination vehicle 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 combination 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 DMV requirements for issuing a combination license may vary from state to state.
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24 . After finishing a pre-trip inspection, you should:
Leave the emergency line valve open.
Before a trip, you should ensure that air reaches all air brakes on all trailers by opening up the rear emergency line and service line shut-off valves to listen for escaping air. Close both shut-off valves before beginning to drive.
25 . If a trailer begins to skid, it is best for the driver to:
If your trailer begins to skid, you should release the brakes to regain traction. The trailer will begin to straighten out once the wheels begin to grip the road again.
26 . If a trailer begins to jackknife, the driver:
If a trailer begins to jackknife, you should release the brakes and allow the trailer wheels to regain traction with the road. Do not apply the trailer hand brake to attempt to straighten out the rig because the application of brakes is what caused the wheels to lock in the first place.
27 . The emergency air line supplies air to the:
The emergency air line (also known as the supply line) has two functions. The first is to supply air to the trailer air tanks, and the second is to control the emergency brakes on combination vehicles.
28 . What is a bobtail tractor?
Tractors without semi-trailers are referred to as bobtail tractors. Operating a bobtail tractor requires drivers to exercise caution.
29 . If an air supply control is in its "emergency" position:
Tractor protection controls in older vehicles may be operated by levers instead of knobs. If an air supply control is set in its "emergency" position, the air supply will be stopped and the trailer emergency brakes will be applied.
30 . When glad hands are coupled, the seals should be pressed together at an angle of:
90 degrees.
When coupling, be sure to couple the proper glad hands. When glad hands are connected, the seals should be pressed together at a 90-degree angle.
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.