Idaho Driver's Examination

Knowledge Test Class B #1

FREE CDL Class B Driving Test Online | Idaho 2024

Train for FREE online with our Idaho class B license 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 CDL class B permit 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 CDL class B requirements may vary from state to state.

Number of Question 50

Passing Score 40

Number of Tests 20

1 . Brakes can get out of adjustment quickly, especially:

If they are hot.

In the winter time.

If they are used frequently.

Brakes are particularly prone to getting out of adjustment if they are hot. Be sure to routinely check the adjustment of your brakes. For a vehicle to be safely controlled, all brakes must be properly functioning and adjusted.

2 . You must have an air brake endorsement:

To use a vehicle with air brakes.

To drive any truck with a trailer.

To transport hazardous materials.

You must take an air brakes knowledge test to become licensed to operate a vehicle that is equipped with air brakes, including an air over hydraulic braking system.

3 . When near a railroad crossing:

You should expect to hear every approaching train.

You may not hear a train, even if one is approaching.

You will hear two short blasts of a train's horn if a train is approaching.

You should never assume that you will hear an approaching train. The train operator may fail to sound the horn, or the use of a train's horn may be prohibited in a specific area. Even if the train does sound its horn, noise from inside your own vehicle may prevent you from hearing the train until it is dangerously close.

4 . Vehicles equipped with Anti-Lock Braking Systems (ABS) have ____ malfunction lamps to indicate when the ABS is not working.

Green

Blue

Yellow

Vehicles with ABS have yellow malfunction lamps to alert drivers when the braking systems are not working. Be sure you know where the malfunction lamp on your vehicle is before beginning a trip.

5 . When starting from a stop:

A vehicle should shift to the right.

A vehicle should be put into third gear.

A vehicle should not roll back.

To avoid hitting anything behind you, make sure that your vehicle does not roll back when you start from a complete stop.

6 . To determine if a vehicle can handle a load, you must know:

The vehicle’s suspension rating.

The tire rating for the front tires only.

The tire rating for the rear tires only.

It is a driver's responsibility to make sure their vehicle is not overloaded. They must be aware of legal weight limits and the maximum weight that their vehicle is rated to carry, including the weight capacity rating of the suspension system.

7 . When backing a truck, you should:

Only use the side mirrors on the driver’s side.

Use both side mirrors.

Never use a helper.

Backing a commercial motor vehicle is always dangerous because you cannot see everything behind you. When backing, make frequent checks of the mirrors on both sides of the vehicle. Use a helper whenever possible.

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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.