Knowledge Test Class B

This license is required for driving a single vehicle with a GVWR of more than 26,001 pounds, and a trailer not to exceed 10,000 pounds gross vehicle weight rating, or a vehicle designed to transport 24 or more people (including the.. Read More

This license is required for driving a single vehicle with a GVWR of more than 26,001 pounds, and a trailer not to exceed 10,000 pounds gross vehicle weight rating, or a vehicle designed to transport 24 or more people (including the driver). To receive this license, applicants must pass a 50-question test. To pass, applicants must answer 40 questions correctly. Each question has three or four possible answer choices. Test questions come from the Montana Commercial Driver License Manual. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving.. Endorsements that may be used with a Class B CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.

Number of Question
Passing Score

1. The most common type of foundation brake used is the:

Explanation
The most common type of foundation brake is an s-cam drum brake.

2. Belts in the engine compartment should:

Explanation
When inspecting your vehicle's engine, check the belts for tightness and excessive wear. The amount of "give" that is safe for each belt in a given engine will vary, so learn what is appropriate for your vehicle.

3. How much water is needed on a road surface for a vehicle to hydroplane?

Explanation
Hydroplaning is an effect in which a vehicle's tires lose traction with the surface of the road and instead glide along a layer of water. There does not have to be much water on the road for this to occur.

4. An open automobile window in cold weather may indicate that the driver is:

Explanation
It is important to observe other drivers' behaviors and identify clues that indicate when person could be driving impaired. Drivers who have had too much to drink, are sleepy, are on drugs, or are ill can present hazards to other drivers. A person driving with their window open in cold weather may be impaired.

5. Do not base your decision to shift gears on:

Explanation
One way to know when it is time to shift gears is to learn your vehicle's operating rpm range. You should shift up when your engine reaches the top of that range. You can also learn which speeds each gear is good for and shift up based on your speedometer.

6. Accelerating roughly is:

Explanation
When accelerating, speed up smoothly and gradually so your vehicle does not jerk. Rough acceleration can cause mechanical damage.

7. What is axle weight?

Explanation
"Axle weight" refers to the weight transmitted to the ground by one axle or one set of axles.

Frequently Asked Questions

A Class B CDL (Commercial Driver's License) in Montana is a type of commercial driver's license that allows drivers to operate a single commercial vehicle with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, or a combination of vehicles with a GVWR of less than 26,001 pounds towing a trailer with a GVWR of less than 10,000 pounds. This license is required for drivers who operate vehicles such as large buses, delivery trucks, and dump trucks.

Here are the steps to obtain a Class B CDL license in Montana:

1. Obtain a Montana Commercial Driver's License Manual from your local Montana Motor Vehicle Division (MVD) office or download it from the MVD website.

2. Meet the eligibility requirements: You must be at least 18 years old (21 years old for interstate driving), have a valid Montana driver's license, and have no disqualifying criminal offenses.

3. Pass a medical examination and obtain a medical certificate from a certified medical examiner listed on the National Registry of Certified Medical Examiners.

4. Obtain a Commercial Learner's Permit (CLP) by passing the general knowledge test and any additional endorsements required for your intended type of driving.

5. Practice driving with your CLP for at least 14 days.

6. Pass the skills test, which includes pre-trip inspection, basic vehicle control, and on-road driving portions.

7. Pay the required fees to obtain your Class B CDL license.

Once you have obtained your Class B CDL license in Montana, you must follow all state and federal regulations related to commercial driving, including regular medical examinations and compliance with hours-of-service regulations.

With a Class B CDL license in Montana, you are authorized to operate a single vehicle with a GVWR of 26,001 pounds or more, or a combination of vehicles with a GVWR of less than 26,001 pounds towing a trailer with a GVWR of less than 10,000 pounds. This includes but is not limited to:

- Straight trucks (such as delivery trucks and dump trucks)
- Large buses (such as school buses and city buses)
- Segmented buses (such as articulated buses)
- Box trucks
- Tow trucks (with some restrictions)
- Utility vehicles (such as bucket trucks and cherry pickers)

However, it's important to note that different endorsements may be required depending on the specific type of vehicle you wish to operate. For example, if you want to drive a school bus or transport hazardous materials, you would need to obtain additional endorsements on your CDL.

To obtain a Class B CDL (Commercial Driver's License) license in Montana, you must meet the following requirements:

1. Be at least 18 years old (21 years old for interstate driving).
2. Possess a valid Montana driver's license.
3. Pass a medical examination and obtain a medical certificate from a certified medical examiner listed on the National Registry of Certified Medical Examiners.
4. Obtain a Commercial Learner's Permit (CLP) by passing the general knowledge test and any additional endorsements required for your intended type of driving.
5. Practice driving with your CLP for at least 14 days.
6. Pass the skills test, which includes pre-trip inspection, basic vehicle control, and on-road driving portions.
7. Pay the required fees to obtain your Class B CDL license.

If you have any disqualifying criminal convictions or drug or alcohol violations, you may be ineligible to obtain a CDL in Montana. Additionally, you may be required to provide additional documentation or meet certain special requirements if you have certain medical conditions or disabilities.

In Montana, the minimum age requirement for a Class B CDL (Commercial Driver's License) license is 18 years old. However, if you plan to drive across state lines or transport hazardous materials, you must be at least 21 years old to obtain a CDL.

It's important to note that even if you meet the age requirements, you must also meet other eligibility requirements such as passing a medical examination, obtaining a Commercial Learner's Permit (CLP), and passing the required knowledge and skills tests in order to obtain a Class B CDL license.

Whether or not you need any endorsements for a Class B CDL (Commercial Driver's License) license in Montana will depend on the type of vehicle you plan to drive and the type of cargo you plan to transport.

The following are some of the endorsements that you may need for a Class B CDL license:

1. Passenger (P) endorsement: This endorsement is required if you plan to drive a vehicle designed to transport 16 or more passengers, including the driver.

2. School Bus (S) endorsement: This endorsement is required if you plan to drive a school bus.

3. Tank Vehicles (N) endorsement: This endorsement is required if you plan to transport liquids or gases in bulk containers with a capacity of 1,000 gallons or more.

4. Hazardous Materials (H) endorsement: This endorsement is required if you plan to transport hazardous materials that require placards.

5. Combination Tank and Hazardous Materials (X) endorsement: This endorsement is required if you plan to transport both hazardous materials and liquids or gases in bulk containers.

To obtain an endorsement, you must pass a separate knowledge test for each endorsement that you need, in addition to passing the general knowledge test for your CDL license class.

The Class B CDL (Commercial Driver's License) skills test in Montana consists of three parts:

1. Pre-trip inspection: This part of the test evaluates your ability to inspect the vehicle before driving it. You will be asked to identify and explain the various parts of the vehicle, and point out any potential safety hazards or defects.

2. Basic vehicle control: This part of the test evaluates your ability to control the vehicle in a controlled environment, such as a closed course. You will be asked to perform various maneuvers, such as backing up, turning, and parking.

3. On-road test: This part of the test evaluates your ability to drive the vehicle on public roads and highways. You will be asked to demonstrate your ability to safely operate the vehicle in various traffic situations, including turns, lane changes, and merging onto highways.

During each part of the skills test, you will be evaluated on your ability to follow proper procedures, use good judgment, and demonstrate safe driving practices. It's important to note that you must pass each part of the skills test in order to obtain your Class B CDL license.

Yes, there are some restrictions and limitations for drivers with a Class B CDL (Commercial Driver's License) license in Montana. Some of the most common restrictions and limitations include:

1. Vehicle weight: Drivers with a Class B CDL license are typically only allowed to operate vehicles that have a gross vehicle weight rating (GVWR) of 26,001 pounds or more.

2. Passenger restrictions: If you have a Class B CDL with a passenger (P) endorsement, you are only allowed to transport up to 16 passengers, including the driver.

3. Hazardous materials: If you have a Class B CDL with a hazardous materials (H) endorsement, you must follow specific rules and regulations when transporting hazardous materials.

4. Air brakes: If you have a Class B CDL license but do not have an air brake endorsement, you are not allowed to operate vehicles with air brakes.

5. Time limits: Drivers with a Class B CDL license may be subject to certain time limits or restrictions on how long they can drive in a day or week, depending on the type of cargo they are transporting.

It's important to note that these restrictions and limitations may vary depending on the specific circumstances and requirements of your job or industry. It's always important to stay up-to-date on the latest rules and regulations related to your CDL license class and endorsements.

In Montana, the Class B CDL (Commercial Driver's License) written test is only available in English. The Montana Department of Transportation (MDT) requires all CDL applicants to take the written test in English, regardless of their language proficiency. This is because the ability to read and understand English is considered an essential skill for commercial drivers, as many road signs, instructions, and safety information are written in English.

However, if you have difficulty reading or understanding English, you may be able to request special accommodations for the written test. This may include additional time to complete the test or the use of an interpreter or translation device. To request special accommodations, you should contact your local MDT office and explain your situation. They will work with you to determine what accommodations are available and appropriate for your needs.

Yes, if you have a disability that affects your ability to take the Class B CDL (Commercial Driver's License) written test, you can request special accommodations. The Montana Department of Transportation (MDT) provides reasonable accommodations to individuals with disabilities to ensure equal access to the CDL testing process.

To request accommodations, you should contact your local MDT office and explain your situation. You may be asked to provide documentation from a qualified healthcare professional that verifies your disability and outlines the specific accommodations you need. Some common accommodations for individuals with disabilities include:

- Extended time to complete the test
- Use of a reader or scribe
- Use of assistive technology, such as a screen reader or magnification software
- Special testing conditions, such as a separate testing room or low-distraction environment

The MDT will work with you to determine what accommodations are available and appropriate for your needs. It's important to note that accommodations must be requested in advance of the test date to ensure they can be provided.

If you fail the Class B CDL (Commercial Driver's License) written test in Montana, you can retake it. However, there are some restrictions on how often you can retake the test.

According to the Montana Department of Transportation (MDT), you must wait at least one day before you can retake the test. If you fail the test three times, you must wait at least 30 days before taking it again. If you fail the test six times, you must wait at least 180 days before taking it again.

It's important to note that each time you take the test, there is a fee that must be paid. The fee for the Class B CDL written test in Montana is $11.

Before retaking the test, it's a good idea to review the material covered on the test and identify any areas where you may need additional study or practice. There are many resources available to help prepare for the CDL written test, including study guides and practice tests. You can find these resources online or through your local MDT office.
DMV Writen Test