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

15. Before driving a vehicle with air brakes, you should ensure that the ____ come on automatically when air pressure falls below 45 psi.

Explanation
Before driving a vehicle with air brakes, you should ensure that the spring brakes come on automatically when air tank pressure falls to a level between 20 and 45 psi. You can do this by chocking the wheels and releasing air from the braking system by stepping on and off the brake pedal. Once the pressure levels drop to an unsafe level, the parking brake valve should pop out and spring brakes should come on.

16. You should always use at least ____ to secure cargo on a flatbed trailer.

Explanation
When transporting cargo on a flatbed trailer, you should use at least one tie-down for every 10 feet of cargo. Any cargo, no matter how small, should be restrained by a minimum of two tie-downs.

17. The only way to sober up after consuming alcohol is to:

Explanation
Most alcohol is removed from the body by the liver, which processes alcohol at a fixed rate. Despite popular belief, techniques like drinking black coffee or taking a cold shower will not accelerate this process. The only thing you can do to become sober after drinking is allow your body the time it needs to eliminate the alcohol from your system.

18. If a truck's Anti-Lock Braking System (ABS) is not working:

Explanation
If an ABS system fails, the vehicle will still have normal braking function. The driver should continue to drive and brake as they normally would.

19. When checking your tires, which of the following is not an issue to correct?

Explanation
Problems to check for when inspecting tires include: air pressure that is too low or too high; using radial and bias-ply tires together; tread depth of less than 4/32 of an inch in major grooves on front tires; and tread depth of less than 2/32 of an inch on all other tires.

20. If you are confronted by an aggressive driver, you should:

Explanation
If you encounter an aggressive driver, you should not let yourself be provoked by any angry gestures they make toward you. Avoid making eye contact with the other driver and do not try to race them.

21. You should test the low pressure warning signal by:

Explanation
It is essential that your low pressure warning light functions properly. After allowing the system to charge, you can test the warning signal by rapidly applying and releasing the brake pedal. This will release air from the braking system and the warning signal should come on when pressure drops to a dangerous level.

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.
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