Combination #1
Combination Vehicles Practice Test | Kansas 2026 #1 Page 3 of 3
Train for FREE online with our Kansas 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 KS 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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15 . The trailer hand valve should:
Be used on slippery surfaces.
The trailer hand valve works the trailer brakes but should only be used when testing them. Using it while driving could create a skid. Never use the trailer hand valve while parking because doing so may release the air pressure from the braking system, releasing the brakes that are holding the vehicle in place.
16 . A combination vehicle has:
Four air lines.
Combination vehicles have two air lines: a service line and an emergency line.
17 . In a double or triple combination:
The weight of the trailers does not matter.
When positioning trailers in a combination, the most heavily-loaded trailer should be the closest to the tractor. The lightest trailer should be positioned in the rear.
18 . After connecting the air lines to the trailer while coupling, you should:
Connect the electrical cord.
Correctly following the steps to couple and uncouple trailers is vital to safely operating a combination vehicle. After connecting the air lines to the trailer while coupling, you should supply air to the trailer.
19 . To help prevent rollovers, you should:
Keep the load on one side of the trailer.
To lower the risk of a rollover, load your cargo as closely to the ground as possible. To further reduce this risk, take curves and corners slowly.
20 . When driving a tractor-trailer equipped with ABS, you should:
Brake using less pressure than you would otherwise use.
When driving a tractor-trailer combination equipped with an Anti-Lock Braking System (ABS), you should brake in the same manner that you would in a vehicle without ABS.
See the exact questions that will be on the 2026 Kansas DMV exam.
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2026 Kansas | Frequently Asked Questions
To acquire a CDL Hazmat endorsement in Kansas, you must first have a CDL license. Then, pass the Hazardous Materials Endorsement Knowledge Test. You'll also need to submit fingerprints for a TSA background check. Lastly, complete a Hazmat endorsement application at a Kansas DMV office. Keep in mind, there are fees associated with these processes.
Before obtaining a CDL Hazmat license, you must have a Commercial Driver's License (CDL). You need to be at least 21 years old, be a U.S. citizen or have legal status, and have a clean driving record. You must also pass the Hazardous Materials Endorsement Knowledge Test and successfully complete a TSA background check.
When applying for a CDL Hazmat endorsement, you need to provide your current CDL, proof of U.S. citizenship or legal status (like a birth certificate or green card), and proof of identity and Kansas residency. You'll also need to complete a Hazmat endorsement application and provide fingerprints for a TSA background check.
Yes, there is a dedicated written test for the CDL Hazmat endorsement. The Hazardous Materials Endorsement Knowledge Test covers topics like loading and unloading hazardous materials, bulk packaging marking, driving and parking rules, and emergency response procedures. Passing this test is a requirement for obtaining the endorsement.
The written test for the CDL Hazmat endorsement covers a variety of topics related to transporting hazardous materials. These include: identifying different types of hazardous materials, understanding shipping papers, placarding rules, safety procedures, loading and unloading hazardous materials, and emergency response procedures in case of a hazardous material incident.
Yes, there are extra charges associated with acquiring a CDL Hazmat endorsement. These include a fee for the knowledge test, a fee for the endorsement itself, and a fee for the TSA background check. The exact amounts can vary, so it's best to check with the Kansas Department of Revenue's Division of Vehicles for current fees.
Yes, obtaining a CDL Hazmat endorsement requires a federal background check and security threat assessment. This is done by the Transportation Security Administration (TSA). The process includes fingerprinting and checking for any criminal, immigration, or mental health issues that could pose a security risk. The applicant must also be a U.S. citizen or have legal status in the U.S.
Yes, specialized training is required for the CDL Hazmat endorsement. Applicants must pass a written test covering hazardous materials regulations and safety procedures. After passing the test, applicants must complete a TSA background check. It's not a separate certification, but it is an additional requirement to the general Commercial Driver's License.
No, you cannot legally transport hazardous materials without a valid CDL Hazmat endorsement in Kansas. This endorsement is required by federal law and ensures that drivers have the necessary knowledge and skills to safely transport these potentially dangerous materials. Violating this law could result in serious penalties.
Yes, you can add the Hazmat endorsement to your existing CDL license in Kansas. You don't need to apply for a new CDL license. However, you must pass a written Hazmat knowledge test and undergo a TSA security threat assessment before the endorsement is added to your license.
