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 driver). To receive this license, applicants must pass a 50-question test. To pass, applicants must answer 40 questions correctly. Each question has four possible answer choices. Test questions come from the Colorado 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. Roads are slippery when it first begins to rain because:
Explanation
Roads are especially slippery when it first begins to rain. Rain water initially mixes with oil and grease on the road to form a slippery film. As the rain continues, this mixture will eventually wash away.
2. Improperly loaded cargo can:
Explanation
Cargo must be properly loaded and secured to prevent it from falling or shifting dangerously. During a quick stop, improperly loaded cargo could injure or even kill the driver.
3. On trucks and buses, where are ABS malfunction lamps located?
Explanation
Tractors, trucks, and buses with Anti-Lock Braking Systems (ABS) have yellow malfunction lamps located on their instrument panels. Trailers have yellow ABS malfunction lamps on their left side, either on the front or rear corner.
4. When doing an inspection, ensure that the brake pads are:
Explanation
When inspecting a vehicle's brakes, you should make sure the shoes and pads do not have oil, grease, or brake fluid on them.
5. Placards should be used:
Explanation
Placards must be placed on the outside of vehicles carrying hazardous materials. They identify the specific class or classes of materials being carried and warn others of relevant hazards.
6. If exiting a bus during the basic vehicle control skills test, you must:
Explanation
When exiting your vehicle during the basic vehicle control skills test, you must face the vehicle and maintain three points of contact at all times. If your testing vehicle is a bus, you must maintain contact with the handrail. Exiting the vehicle incorrectly may result in automatic failure of the basic control skills test.
7. Which of the following is not an example of a distracted person that motorists should be worried about?
Explanation
Drivers who are holding conversations with others may not be paying full attention to the road and may make unsafe moves. Children do not always pay attention to traffic and may dart into the road without looking. Exercise caution when driving near road workers. This helps to keep the workers and other distracted drivers safe.
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Frequently Asked Questions
A Class B CDL (Commercial Driver's License) in Colorado is a type of license that allows individuals to operate commercial vehicles with a weight of 26,001 pounds or more, or a vehicle that can tow another vehicle with a weight of up to 10,000 pounds. This license is required for drivers who operate buses, delivery trucks, and other heavy-duty vehicles.
To obtain a Class B CDL in Colorado, you will need to:
1. Meet the age requirements: You must be at least 18 years old to obtain a Class B CDL in Colorado. However, if you plan on transporting hazardous materials or driving across state lines, you must be at least 21 years old.
2. Obtain a learner's permit: You will need to pass a written exam and obtain a learner's permit before you can take the driving test.
3. Complete training and practice: You will need to complete training and practice driving with a CDL instructor or experienced driver to prepare for the driving test.
4. Pass the driving test: The driving test will consist of a pre-trip inspection, basic vehicle control skills test, and an on-road driving test.
5. Submit required documentation: You will need to submit proof of identity, residency, and Social Security number to the Colorado DMV.
6. Pay the required fees: You will need to pay the appropriate fees for your Class B CDL license.
Once you have obtained your Class B CDL in Colorado, you will need to maintain it by following all traffic laws and regulations and adhering to any additional requirements for your specific type of commercial vehicle.
To obtain a Class B CDL in Colorado, you will need to:
1. Meet the age requirements: You must be at least 18 years old to obtain a Class B CDL in Colorado. However, if you plan on transporting hazardous materials or driving across state lines, you must be at least 21 years old.
2. Obtain a learner's permit: You will need to pass a written exam and obtain a learner's permit before you can take the driving test.
3. Complete training and practice: You will need to complete training and practice driving with a CDL instructor or experienced driver to prepare for the driving test.
4. Pass the driving test: The driving test will consist of a pre-trip inspection, basic vehicle control skills test, and an on-road driving test.
5. Submit required documentation: You will need to submit proof of identity, residency, and Social Security number to the Colorado DMV.
6. Pay the required fees: You will need to pay the appropriate fees for your Class B CDL license.
Once you have obtained your Class B CDL in Colorado, you will need to maintain it by following all traffic laws and regulations and adhering to any additional requirements for your specific type of commercial vehicle.
With a Class B CDL license in Colorado, you can operate a single vehicle with a gross vehicle weight rating (GVWR) of 26,001 pounds or more, or a combination of vehicles with a GCWR (gross combination weight rating) of less than 26,001 pounds. You can also operate a vehicle that is towing another vehicle with a GVWR of up to 10,000 pounds.
Some examples of vehicles that you can operate with a Class B CDL license in Colorado include:
- Large buses, such as school buses or city buses
- Straight trucks, such as delivery trucks or box trucks
- Dump trucks
- Cement mixers
- Tow trucks
- Garbage trucks
It's important to note that if you want to operate certain types of vehicles that require additional endorsements, such as passenger buses or those carrying hazardous materials, you will need to obtain additional endorsements on your CDL license.
Some examples of vehicles that you can operate with a Class B CDL license in Colorado include:
- Large buses, such as school buses or city buses
- Straight trucks, such as delivery trucks or box trucks
- Dump trucks
- Cement mixers
- Tow trucks
- Garbage trucks
It's important to note that if you want to operate certain types of vehicles that require additional endorsements, such as passenger buses or those carrying hazardous materials, you will need to obtain additional endorsements on your CDL license.
To obtain a Class B CDL (Commercial Driver's License) license in Colorado, you will need to meet the following requirements:
1. Age: You must be 18 years old to obtain a Class B CDL in Colorado. However, if you plan on transporting hazardous materials or driving across state lines, you must be at least 21 years old.
2. Medical certification: You will need to pass a medical examination and obtain a medical certificate from a licensed medical examiner. This certificate is required to prove that you are physically fit to operate a commercial vehicle.
3. Knowledge test: You will need to pass a written knowledge test that covers general information about operating a commercial vehicle, including safety procedures, driving techniques, and traffic laws.
4. Learner's permit: You will need to obtain a learner's permit before you can take the driving test. To obtain a learner's permit, you will need to pass the knowledge test and provide proof of identity, residency, and Social Security number.
5. Training and practice: You will need to complete training and practice driving with a CDL instructor or experienced driver to prepare for the driving test.
6. Driving skills test: You will need to pass a driving skills test that includes pre-trip inspection, basic vehicle control skills, and on-road driving tests.
7. Background check: You will need to pass a background check that includes a criminal history check and driving record check.
8. Required documentation: You will need to provide proof of identity, residency, Social Security number, and medical certification.
9. Fees: You will need to pay the required fees for your CDL license.
It's important to note that if you have any previous traffic violations or suspensions on your driver's license, this may affect your ability to obtain or maintain a CDL license in Colorado.
1. Age: You must be 18 years old to obtain a Class B CDL in Colorado. However, if you plan on transporting hazardous materials or driving across state lines, you must be at least 21 years old.
2. Medical certification: You will need to pass a medical examination and obtain a medical certificate from a licensed medical examiner. This certificate is required to prove that you are physically fit to operate a commercial vehicle.
3. Knowledge test: You will need to pass a written knowledge test that covers general information about operating a commercial vehicle, including safety procedures, driving techniques, and traffic laws.
4. Learner's permit: You will need to obtain a learner's permit before you can take the driving test. To obtain a learner's permit, you will need to pass the knowledge test and provide proof of identity, residency, and Social Security number.
5. Training and practice: You will need to complete training and practice driving with a CDL instructor or experienced driver to prepare for the driving test.
6. Driving skills test: You will need to pass a driving skills test that includes pre-trip inspection, basic vehicle control skills, and on-road driving tests.
7. Background check: You will need to pass a background check that includes a criminal history check and driving record check.
8. Required documentation: You will need to provide proof of identity, residency, Social Security number, and medical certification.
9. Fees: You will need to pay the required fees for your CDL license.
It's important to note that if you have any previous traffic violations or suspensions on your driver's license, this may affect your ability to obtain or maintain a CDL license in Colorado.
In Colorado, the minimum age requirement for a Class B Commercial Driver's License (CDL) is 18 years old. However, there are some restrictions for drivers under 21 years old. Drivers under the age of 21 are not allowed to transport hazardous materials or drive across state lines. Once a driver turns 21, they can apply for the necessary endorsements to transport hazardous materials or operate across state lines. It is important to note that some employers may have their own age requirements for CDL drivers, which may be higher than the state requirement.
Yes, you may need endorsements for a Class B Commercial Driver's License (CDL) depending on the type of vehicle you will be driving and the cargo you will be transporting.
The most common endorsements for a Class B CDL include:
1. Passenger endorsement (P): This endorsement is required if you will be driving a bus or other vehicle designed to transport 16 or more passengers, including the driver.
2. School bus endorsement (S): This endorsement is required if you will be driving a school bus.
3. Hazardous materials endorsement (H): This endorsement is required if you will be transporting hazardous materials, as defined by the Department of Transportation.
4. Tanker endorsement (N): This endorsement is required if you will be driving a vehicle that carries liquid or gas in bulk containers with a capacity of 1,000 gallons or more.
5. Doubles/triples endorsement (T): This endorsement is required if you will be driving a combination of two or three trailers.
To obtain these endorsements, you will need to pass additional knowledge tests that cover specific information related to each endorsement. You may also need to complete additional training and provide additional documentation, such as a hazardous materials endorsement background check.
The most common endorsements for a Class B CDL include:
1. Passenger endorsement (P): This endorsement is required if you will be driving a bus or other vehicle designed to transport 16 or more passengers, including the driver.
2. School bus endorsement (S): This endorsement is required if you will be driving a school bus.
3. Hazardous materials endorsement (H): This endorsement is required if you will be transporting hazardous materials, as defined by the Department of Transportation.
4. Tanker endorsement (N): This endorsement is required if you will be driving a vehicle that carries liquid or gas in bulk containers with a capacity of 1,000 gallons or more.
5. Doubles/triples endorsement (T): This endorsement is required if you will be driving a combination of two or three trailers.
To obtain these endorsements, you will need to pass additional knowledge tests that cover specific information related to each endorsement. You may also need to complete additional training and provide additional documentation, such as a hazardous materials endorsement background check.
The Class B Commercial Driver's License (CDL) skills test consists of three parts: pre-trip inspection, basic vehicle control, and on-road driving.
1. Pre-trip inspection: This part of the test is designed to assess your ability to inspect your vehicle to ensure it is safe to operate. You will be asked to verbally describe and physically demonstrate how to inspect various parts of the vehicle, including the engine compartment, brakes, steering, suspension, lights, tires, and more.
2. Basic vehicle control: This part of the test assesses your ability to control the vehicle in various situations. You will be asked to perform maneuvers such as backing up in a straight line, backing up into a dock or alley, making a tight turn within a confined space, and more.
3. On-road driving: This part of the test assesses your ability to safely operate the vehicle on public roads. You will be asked to drive on a predetermined route that includes various driving situations such as intersections, turns, and merging into traffic. The examiner will be looking for your ability to follow traffic laws and signals, maintain proper speed and lane position, check mirrors and blind spots, and use proper communication with other drivers.
It is important to note that the skills test is conducted in a vehicle that is representative of the type of vehicle you will be operating with your Class B CDL. Additionally, you must pass all three parts of the skills test in order to obtain your Class B CDL.
1. Pre-trip inspection: This part of the test is designed to assess your ability to inspect your vehicle to ensure it is safe to operate. You will be asked to verbally describe and physically demonstrate how to inspect various parts of the vehicle, including the engine compartment, brakes, steering, suspension, lights, tires, and more.
2. Basic vehicle control: This part of the test assesses your ability to control the vehicle in various situations. You will be asked to perform maneuvers such as backing up in a straight line, backing up into a dock or alley, making a tight turn within a confined space, and more.
3. On-road driving: This part of the test assesses your ability to safely operate the vehicle on public roads. You will be asked to drive on a predetermined route that includes various driving situations such as intersections, turns, and merging into traffic. The examiner will be looking for your ability to follow traffic laws and signals, maintain proper speed and lane position, check mirrors and blind spots, and use proper communication with other drivers.
It is important to note that the skills test is conducted in a vehicle that is representative of the type of vehicle you will be operating with your Class B CDL. Additionally, you must pass all three parts of the skills test in order to obtain your Class B CDL.
Yes, there are some restrictions and limitations for drivers with a Class B Commercial Driver's License (CDL) license:
1. Vehicle weight: With a Class B CDL, you are allowed to operate a single vehicle with a gross vehicle weight rating (GVWR) of 26,001 pounds or more. However, you are not allowed to tow a trailer with a GVWR of more than 10,000 pounds.
2. Passenger restrictions: If you have a Class B CDL with a passenger endorsement, you may only transport up to 16 passengers (including the driver).
3. Hazardous materials: If you have a Class B CDL with a hazardous materials endorsement, you are limited to transporting certain types and amounts of hazardous materials. You must also follow strict regulations regarding transportation, labeling, and handling of these materials.
4. Air brakes: If your vehicle has air brakes, you must pass an air brake knowledge test and a skills test in order to obtain an air brake endorsement on your CDL. Without this endorsement, you will not be able to operate vehicles with air brakes.
5. State-specific restrictions: Some states may have additional restrictions or limitations on Class B CDL drivers. For example, some states may require additional endorsements for certain types of vehicles or cargo.
It is important to be aware of these restrictions and limitations in order to ensure that you are operating your vehicle safely and in compliance with the law.
1. Vehicle weight: With a Class B CDL, you are allowed to operate a single vehicle with a gross vehicle weight rating (GVWR) of 26,001 pounds or more. However, you are not allowed to tow a trailer with a GVWR of more than 10,000 pounds.
2. Passenger restrictions: If you have a Class B CDL with a passenger endorsement, you may only transport up to 16 passengers (including the driver).
3. Hazardous materials: If you have a Class B CDL with a hazardous materials endorsement, you are limited to transporting certain types and amounts of hazardous materials. You must also follow strict regulations regarding transportation, labeling, and handling of these materials.
4. Air brakes: If your vehicle has air brakes, you must pass an air brake knowledge test and a skills test in order to obtain an air brake endorsement on your CDL. Without this endorsement, you will not be able to operate vehicles with air brakes.
5. State-specific restrictions: Some states may have additional restrictions or limitations on Class B CDL drivers. For example, some states may require additional endorsements for certain types of vehicles or cargo.
It is important to be aware of these restrictions and limitations in order to ensure that you are operating your vehicle safely and in compliance with the law.
Yes, you can take the Class B Commercial Driver's License (CDL) written test in a language other than English in Colorado. The Colorado Department of Revenue Division of Motor Vehicles (DMV) provides written tests in both English and Spanish.
However, it is important to note that the skills test (pre-trip inspection, basic vehicle control, and on-road driving) must be taken in English. This is because the examiner needs to be able to communicate with you during the test and ensure that you understand their instructions.
If you choose to take the written test in a language other than English, you will need to bring an interpreter with you to translate the questions and answers for you. The interpreter must be fluent in both English and the language in which you are taking the test. The interpreter cannot be a family member or friend, as they must sign an affidavit stating that they are impartial and will accurately translate the questions and answers.
It is recommended that you study for the written test in advance and become familiar with the terminology, as some terms may not translate directly into other languages.
However, it is important to note that the skills test (pre-trip inspection, basic vehicle control, and on-road driving) must be taken in English. This is because the examiner needs to be able to communicate with you during the test and ensure that you understand their instructions.
If you choose to take the written test in a language other than English, you will need to bring an interpreter with you to translate the questions and answers for you. The interpreter must be fluent in both English and the language in which you are taking the test. The interpreter cannot be a family member or friend, as they must sign an affidavit stating that they are impartial and will accurately translate the questions and answers.
It is recommended that you study for the written test in advance and become familiar with the terminology, as some terms may not translate directly into other languages.
Yes, you can retake the Class B Commercial Driver's License (CDL) written test if you fail it. In Colorado, you must wait at least one day before taking the test again. However, you will need to pay the testing fee again each time you take the test.
It is important to note that if you fail the written test three times, you will need to wait at least 30 days before taking it again. If you fail the test three times within a 12-month period, you will need to wait at least six months before taking it again.
It is recommended that you study and prepare thoroughly for the written test before taking it again. You may also consider seeking additional resources or study materials, such as a CDL handbook or practice tests, to help improve your knowledge and understanding of the material.
It is important to note that if you fail the written test three times, you will need to wait at least 30 days before taking it again. If you fail the test three times within a 12-month period, you will need to wait at least six months before taking it again.
It is recommended that you study and prepare thoroughly for the written test before taking it again. You may also consider seeking additional resources or study materials, such as a CDL handbook or practice tests, to help improve your knowledge and understanding of the material.
