FREE CDL Combination Vehicles Practice Test Online | Utah 2024 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 2021, 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 Hazmat endorsement in Utah, you must first have a valid Utah CDL. Then, pass the Hazardous Materials Endorsement Knowledge Test, submit to a federal background check and fingerprinting by the Transportation Security Administration (TSA). Finally, you must pay the required endorsement fee. It's recommended to study the Utah CDL Handbook beforehand.
To obtain a CDL Hazmat license, you must have a valid Commercial Driver's License (CDL). You should be at least 21 years old, have a clean driving record, and pass a physical examination. Additionally, you must pass the Hazardous Materials Endorsement Knowledge Test and a TSA background check. It's also important to be proficient in English for reading and speaking.
When applying for a CDL Hazmat endorsement in Utah, you'll need to provide your current CDL, proof of U.S. citizenship or legal presence (like a passport or birth certificate), social security card, and proof of Utah residency. You'll also need to complete the HAZMAT endorsement application and pass the TSA background check.
Yes, there is a dedicated written test for the CDL Hazmat endorsement. It's known as the Hazardous Materials Endorsement Knowledge Test. This test assesses your understanding of the rules and regulations related to transporting hazardous materials. It's recommended to study the relevant sections in your state's CDL handbook before taking the test.
The written test for the CDL Hazmat endorsement covers a variety of topics including: understanding and identifying different types of hazardous materials, rules for safe loading and unloading, proper use of placards and labels, emergency response procedures, and specific regulations regarding the transportation of hazardous materials. It's crucial to study these areas thoroughly.
Yes, there are extra charges associated with acquiring a CDL Hazmat endorsement. In Utah, the endorsement itself costs $9.00. However, you'll also need to pay for a TSA background check, which costs $86.50. Please note these fees are subject to change and it's always best to check the latest fee structure with the Utah Driver License Division.
Yes, a background check and security clearance are required for a CDL Hazmat endorsement. The Transportation Security Administration (TSA) conducts this check, which includes fingerprinting and a review of your criminal history. If you pass the background check, TSA provides a security threat assessment to your state's licensing agency.
Yes, obtaining a CDL Hazmat endorsement requires specialized training and passing a written test. The training covers handling hazardous materials, safety procedures, and emergency protocols. After the training, you must pass the Hazmat endorsement test to demonstrate your understanding of these areas. You also need to pass a TSA background check.
No, it's illegal to transport hazardous materials without a valid Commercial Driver's License (CDL) with a Hazmat endorsement. This endorsement ensures the driver is properly trained and knowledgeable about handling and transporting hazardous materials safely. Driving without the necessary endorsement can result in hefty fines and penalties.
Yes, you can add the CDL Hazmat endorsement to your current CDL license. You don't need to apply for a new CDL. However, you'll have to pass a written test specific to hazardous materials and undergo a TSA background check. Once these are successfully completed, the endorsement will be added to your existing CDL.
