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.

To use a vehicle with air brakes.

To drive any truck with a trailer.

To transport hazardous materials.

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.

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

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.

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

A vehicle should not roll back.

A vehicle should shift to the right.

A vehicle should be put into third gear.

A vehicle should not roll back.

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.

The vehicle’s suspension rating.

The tire rating for the front tires only.

The tire rating for the rear tires only.

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.

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

Class B Driving Test | Idaho 2024 #1

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 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 CDL class B requirements may vary from state to state.

Number of Question 50

Passing Score 40

Number of Tests 20

Class B Driving Test | Idaho 2024 #1

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

2 . You must have an air brake endorsement:

3 . When near a railroad crossing:

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

5 . When starting from a stop:

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

7 . When backing a truck, you should:

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