Combination #1
Combination Vehicles Practice Test | Utah 2024 #1 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 2024, 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 . 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.
25 . A driver should test the tractor protection valve by:
You should test the tractor protection valve by allowing the air supply to properly charge, turning off the engine, then releasing air from the system by pressing the brake pedal several times. The tractor protection valve should move into its emergency position when psi drops to an unsafe level.
26 . Glad hands are:
Pleased drivers.
On trailers with air brakes, glad hands are coupling devices used to connect the air lines of the tractor to those of the trailer.
27 . What can the “crack-the-whip” effect do?
Make trucks decelerate.
The "crack-the-whip" effect can cause a trailer to turn over during a lane change. To avoid this phenomenon, drivers should make lane changes at slow, safe speeds.
28 . 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.
29 . What does the trailer air supply control look like?
It is a circular orange knob.
On newer vehicles, the trailer air supply control is an eight-sided red knob. It's used to control the tractor protection valve.
30 . 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.
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2024 Utah | Frequently Asked Questions
To acquire a CDL Tank endorsement in Utah, you must first have a valid CDL. Then, you need to pass the Tank Vehicle written test at a Utah Driver License Division office. The test covers knowledge about tank vehicles, their unique properties, and how to safely operate them. Once you pass the test, the endorsement will be added to your CDL.
To obtain a CDL Tank license, you need a valid Commercial Driver's License (CDL). You must then pass the Tank Vehicle written test, which covers knowledge on the safe operation and unique properties of tank vehicles. The test is offered at Utah Driver License Division offices. Once passed, the endorsement is added to your CDL.
While specific training is not mandatory for a CDL Tank endorsement in Utah, it's highly recommended to prepare for the endorsement test. You should understand the safety protocols, inspection procedures, and driving techniques for tank vehicles. Practical experience, although not required, can also be beneficial. Always refer to Utah's CDL manual for comprehensive information.
Yes, to obtain a CDL Tank endorsement in Utah, you are required to pass an additional written test. This test focuses on the safe operation and unique properties of tank vehicles. It is separate from the general CDL test and must be taken at a Utah Driver License Division office.
The written test for a CDL Tank endorsement covers various subjects related to tank vehicles. This includes the inspection and maintenance of tank vehicles, understanding bulk packaging markings, driving stability and handling, safe driving rules, and emergency response procedures. The test is designed to ensure drivers can safely operate tank vehicles.
During the CDL Tank endorsement assessment in Utah, several skills and maneuvers are assessed. These include inspecting the tank vehicle for safety, proper loading and unloading procedures, controlling the vehicle's speed and braking, maneuvering through turns and curves, and maintaining control during emergency situations. Additionally, knowledge of hazardous materials regulations and proper handling procedures is also evaluated.
Yes, drivers with a CDL Tank endorsement must adhere to specific regulations. They must ensure the load is properly balanced and secure, follow all safety procedures when loading and unloading, and handle hazardous materials carefully. Additionally, they must comply with hours-of-service regulations to prevent driver fatigue. Violation of these rules can result in fines, suspension, or revocation of the endorsement.
No, a valid CDL Tank endorsement is required to transport liquid or gas materials. This ensures the driver is knowledgeable and skilled in handling such materials, which can pose unique challenges and risks. Driving without the necessary endorsement is illegal and can result in serious penalties, including fines and suspension of the driver's CDL.
Yes, a CDL Tank endorsement can be added to your current commercial driver's license. You don't need to apply for a new license. However, you will need to pass the tank vehicle written test and pay the required fee. The endorsement allows you to transport liquid or gas materials in a tank vehicle. Always ensure you comply with all regulations.
Yes, to handle hazardous materials in Utah, you must have both a CDL Tank endorsement and a Hazardous Materials (HazMat) endorsement. Getting the HazMat endorsement involves passing a knowledge test, undergoing a TSA background check, and fingerprinting. This ensures that drivers are trained to handle these materials safely and understand the associated risks and precautions.
