Idaho Driver's Examination

Combination #2

FREE CDL Combination Vehicles Practice Test Online | Idaho 2024

Train for FREE online with our Idaho 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 ID 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.

Number of Question 20

Passing Score 16

Number of Tests 20

1 . Combination vehicles:

Often have taller trailers than single commercial vehicles.

Are usually lighter than single commercial vehicles.

Require more skill to drive than single commercial vehicles.

Driving combination vehicles requires more skill than driving single commercial vehicles. Combinations are generally longer, generally heavier, and are more vulnerable to rollover.

2 . Combination vehicles:

Are usually shorter than single commercial vehicles.

Usually require less skill to drive than single commercial vehicles.

Usually require more skill to drive than single commercial vehicles.

Driving combination vehicles requires more skill than driving single commercial vehicles. Combinations are generally longer, generally heavier, and are more vulnerable to rollover.

3 . In a vehicle equipped with an automatic tractor protection valve, the valve will pop out when air pressure drops to a level between:

20 and 45 psi.

75 and 105 psi.

50 and 65 psi.

In vehicles equipped with an automatic tractor protection valve, the valve will pop out if air pressure drops to a level between 20 and 45 psi. When the valve pops out, the protection valve will close, stopping the flow of air.

4 . Before beginning a trip, you should:

Leave the service line valve open.

Remove the relay valves.

Close the emergency line valve.

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 and listening for escaping air. Close both shut-off valves before beginning to drive.

5 . How much space should be between the upper and lower fifth wheel?

About five inches of space

A maximum of two inches of space

No space

Before a trip, be sure to inspect all couplings. There should be no space between the upper and lower fifth wheel.

6 . When driving with trailers, you should:

Make quick, sudden changes.

Avoid making sudden moves.

Accelerate by pushing the accelerator to the floor.

To reduce the risk of tipping over when driving with a trailer, you should steer gently and smoothly. Avoid making sudden movements.

7 . When connecting a converter dolly to a second trailer, the trailer height should be ____ the center of the fifth wheel.

Level with

Slightly higher than

Slightly lower than

When connecting a converter dolly to a second or third trailer, the trailer height should correct. It should be slightly lower than the center of the fifth wheel.

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2024 Idaho | Frequently Asked Questions

To acquire a CDL Hazmat endorsement in Idaho, you must first possess a valid Idaho Commercial Driver's License (CDL). After that, you will need to pass the Hazardous Materials Endorsement Knowledge Test. Lastly, you should complete a federal security threat assessment application, provide fingerprints, and pass an FBI background check. The endorsement will be added to your CDL once approved.

To obtain a CDL Hazmat license, you must first have a valid Commercial Driver's License (CDL). You must be at least 21 years old and be able to read and speak English. You also need to pass a physical examination every two years. Lastly, you must pass the Hazardous Materials Endorsement Knowledge Test and an FBI background check.

When applying for a CDL Hazmat endorsement, you need to provide proof of U.S. citizenship or legal status, such as a birth certificate or passport. You also need your current Commercial Driver's License (CDL), proof of Idaho residency, and your Social Security Number. Finally, you'll need to complete a federal security threat assessment application and provide fingerprints for an FBI background check.

Yes, there is a dedicated written test for the CDL Hazmat endorsement in Idaho. This test assesses your knowledge on transporting hazardous materials safely. It covers topics such as loading and unloading, bulk packaging marking, driving and parking rules, and emergency response procedures. The Idaho Commercial Driver’s License Manual is a great resource to prepare for this test.

The written test for the CDL Hazmat endorsement covers a wide range of topics related to hazardous materials. These include identifying different types of hazardous materials, understanding shipping papers, placarding rules, loading and unloading procedures, handling emergencies and incidents, and understanding the associated risks and safety precautions when transporting hazardous materials.

Yes, obtaining a CDL Hazmat endorsement in Idaho involves extra charges. You'll need to pay a fee for the knowledge test, and there's also a fee for the endorsement itself. Additionally, the TSA background check carries a separate fee. The exact costs can vary, so it's recommended to check the current fees with your local DMV office or on their website.

Yes, to obtain a Hazmat endorsement in Idaho, the Transportation Security Administration (TSA) requires a federal background check and fingerprinting. This is to ensure the driver doesn't pose a security threat. The applicant must be a U.S. citizen or have legal status, and must not have committed certain crimes.

Yes, specialized training is required for a CDL Hazmat endorsement. Applicants must pass a written test on federal and state regulations for transporting hazardous materials. While it's not mandatory, many opt for professional training programs to prepare. After passing the test, a TSA background check is also required before the endorsement is granted.

No, you cannot legally transport hazardous materials without a valid CDL Hazmat endorsement in Idaho. The endorsement ensures that drivers are trained and equipped to handle hazardous materials safely. Violating this requirement can lead to severe penalties, including fines and suspension or revocation of your commercial driver's license.

Yes, you can add the CDL Hazmat endorsement to your current CDL license. It doesn't require a new application for a CDL, but it does require passing a written test specific to Hazmat transportation, as well as a TSA background check. Once these are successfully completed, the Hazmat endorsement can be added to your existing CDL.