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

In Idaho, to acquire a Commercial Driver's License (CDL) Passenger endorsement, you must already possess a valid CDL. You will need to pass the Passenger Transport Test at your local DMV, which includes both a written knowledge test and a skills test. Additionally, you need to pay the required fees and meet all medical and age requirements.

To obtain a CDL Passenger license in Idaho, you must be at least 21 years old and have a valid regular CDL. You also need to pass a written knowledge test and a skills test, which includes pre-trip vehicle inspection, basic vehicle control, and on-road driving. Additionally, you must meet medical requirements and pay the necessary fees.

While Idaho doesn't require specific training to secure a CDL Passenger endorsement, it's highly recommended. Training can provide the necessary skills and knowledge to pass the written and skills tests. Experience isn't required, but you must already have a valid CDL. Remember, you must be at least 21 years old and meet all medical requirements.

Yes, to obtain a CDL Passenger endorsement in Idaho, you must pass a written knowledge test specifically for passenger vehicles. This test covers topics like vehicle inspection, loading and trip start, on the road, after-trip vehicle inspection, prohibited practices, and use of brake-door interlocks. It's an additional requirement to the standard CDL tests.

For the Idaho CDL Passenger endorsement skills test, you'll need to demonstrate pre-trip vehicle inspection, safe loading/unloading of passengers, proper use of emergency exits, and safe operation of the vehicle. You'll also be evaluated on your ability to handle railroad-highway crossings and stop/start procedures. It may also include a driving test on public roads.

No, you cannot legally transport passengers in Idaho without a valid CDL Passenger endorsement. This endorsement is required for drivers who wish to operate a vehicle designed to carry 16 or more passengers, including the driver. Driving without the correct endorsement can result in fines, license suspension, or even jail time.

Yes, you can add the CDL Passenger endorsement to your existing CDL. You don't need a new application for the entire license. However, you will have to pass the passenger vehicle written test and pay the required fees. The endorsement is added to your existing CDL upon successful completion of the test.

Yes, there are certain restrictions for drivers with a CDL Passenger endorsement. For example, they must not exceed the vehicle's designated passenger capacity. They also need to ensure the safety of all passengers, which includes following specific rules about loading/unloading passengers, use of safety equipment, and emergency exit procedures. Violating these rules can lead to penalties.

Yes, to acquire the CDL Passenger endorsement in Idaho, you must be at least 21 years old. This age requirement is in place to ensure that drivers have sufficient experience and maturity to handle the responsibilities associated with transporting passengers. This rule applies nationwide, not just in Idaho.

With a CDL Passenger endorsement, you'll be eligible to operate vehicles such as school buses, city buses, tour buses, and commercial shuttle buses. Essentially, this endorsement allows you to operate any vehicle designed to transport 16 or more passengers, including the driver. However, for school buses, an additional School Bus endorsement is required.