Combination #2
Combination Vehicles Practice Test | Tennessee 2024 #2 Page 3 of 3
Train for FREE online with our Tennessee 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 TN 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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15 . If the emergency air line loses pressure:
The tractor protection valve keeps air in the trailer's braking system should the trailer break away or develop a leak. A loss of air pressure in the emergency line will cause the tractor protection valve to open and the emergency trailer brakes to activate.
16 . Rearward amplification refers to:
Vehicles with trailers are vulnerable to rollover due to the "crack-the-whip" effect, which is caused by rearward amplification.
17 . When a vehicle goes around a corner, the rear wheels:
When any vehicle goes around a corner, the rear wheels follow a different path than the front wheels. This is called off-tracking. The degree of off-tracking will be greater on long vehicles than on short vehicles.
18 . A loss of air pressure in the emergency line will cause:
The suspension springs to extend.
The tractor protection valve keeps air in the trailer's braking system should the trailer break away or develop a leak. A loss of air pressure in the emergency line will cause the tractor protection valve to open and the emergency trailer brakes to activate.
19 . If you use the trailer hand brake while your trailer is skidding, it will:
If you are experiencing a trailer jackknife, you can help your tires regain traction by releasing the brakes. Using a trailer hand brake while experiencing a skid will only cause the skid to continue.
20 . A tractor protection valve is:
A device that allows the battery to recharge efficiently.
On combination vehicles with air brakes, the tractor protection valve keeps air in the tractor or truck brake system, should the trailer develop a bad leak or break away from the tractor.
2024 Tennessee | Frequently Asked Questions
To acquire a CDL Hazmat endorsement in Tennessee, you need to pass a written test, submit fingerprints for a TSA background check, and pay applicable fees. You must already have a valid CDL. You can prepare for the test by studying the Hazmat section of the Tennessee CDL Manual. It's recommended to schedule your test at a local DMV office.
To obtain a CDL Hazmat license, you must already hold a valid Commercial Driver's License (CDL). You'll also need to pass a written Hazmat knowledge test, submit fingerprints for a Transportation Security Administration (TSA) background check, and pay the required fees. Additionally, you must be at least 21 years old and be able to read and speak English well enough to do the job.
When applying for a CDL Hazmat endorsement in Tennessee, you'll need to provide your current valid Commercial Driver's License (CDL), proof of U.S. citizenship or lawful permanent residency (like a passport or birth certificate), and proof of Tennessee residency. You'll also need to complete the TSA security threat assessment application and provide fingerprints for a background check.
Yes, there is a dedicated written test for the CDL Hazmat endorsement. The Hazardous Materials Endorsement Knowledge Test covers specific regulations and procedures related to transporting hazardous materials. The test typically includes questions about loading and unloading, bulk packaging marking, driving and parking rules, and emergency response procedures.
The written test for the CDL Hazmat endorsement covers a variety of topics related to hazardous materials. These include identifying different types of hazardous materials, understanding placarding and labeling requirements, knowing how to safely load and unload hazardous materials, understanding emergency procedures, and being aware of the rules for transporting hazardous materials.
Yes, obtaining a CDL Hazmat endorsement involves additional costs. In Tennessee, there's a $5 fee for the knowledge test and a $66 fee for the Hazardous Materials Endorsement Threat Assessment Program (HME TAP). The fees are subject to change and it's advisable to check with the local DMV for the most current charges.
Yes, a background check is mandatory for a CDL Hazmat endorsement. The Transportation Security Administration (TSA) conducts this check. It involves a review of your criminal history, immigration status, and possible connections to terrorism. A fingerprint-based check is also part of the process. This is to ensure the safety and security of hazardous material transportation.
Yes, specialized training is required for the CDL Hazmat endorsement. Applicants must pass a written test specific to hazardous materials. The test covers relevant topics such as identifying hazardous materials, understanding safety procedures, and following transportation regulations. This knowledge ensures the safe and legal transport of hazardous materials.
No, you cannot legally transport hazardous materials without a valid CDL Hazmat endorsement in Tennessee. The endorsement is required to ensure that drivers have the necessary knowledge and skills to handle and transport hazardous materials safely, in compliance with federal and state regulations. Violating these regulations can result in serious penalties.
You can add the CDL Hazmat endorsement to your existing CDL license. You don't need to apply for a new license. However, you are required to pass a written Hazmat knowledge test and undergo a TSA background check. Once these are successfully completed, the endorsement will be added to your current CDL.