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.
1. Roads are slippery when it first begins to rain because:
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:
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?
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:
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:
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:
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?
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.
Frequently Asked Questions
To obtain a Class B CDL license in Colorado, you must:
1. Be at least 18 years old (21 years old for interstate driving)
2. Hold a valid Colorado driver's license
3. Pass a vision test
4. Pass the written knowledge test for a Class B CDL
5. Obtain a commercial learner's permit (CLP) by passing additional knowledge and skills tests
6. Complete behind-the-wheel training with a licensed CDL instructor
7. Pass the driving skills test in the type of vehicle you will be driving
8. Pay the required fees and provide all necessary documentation
It is important to note that certain medical requirements must also be met to obtain and maintain a Class B CDL license in Colorado.
1. Straight trucks: This includes large delivery trucks and dump trucks.
2. Buses: You can operate buses that carry more than 15 passengers, including school buses.
3. Combination vehicles: You can drive a combination of vehicles that weigh less than 26,001 pounds, such as a truck and trailer.
It is important to note that if you want to operate vehicles that weigh more than 26,001 pounds, you will need to obtain a Class A CDL license. Also, depending on the type of vehicle you will be driving, you may need additional endorsements on your CDL, such as passenger or hazardous materials endorsements.
1. Age: You must be at least 18 years old to drive within Colorado and 21 years old to drive outside the state.
2. Valid Colorado driver's license: You must have a valid Colorado driver's license.
3. Medical certification: You must meet the medical certification requirements set by the Federal Motor Carrier Safety Administration (FMCSA).
4. Knowledge test: You must pass the written knowledge test for a Class B CDL. The test covers general trucking and specific knowledge based on the type of vehicle you will be driving.
5. Commercial learner's permit (CLP): You must obtain a CLP by passing additional knowledge and skills tests for the type of vehicle you will be driving.
6. Behind-the-wheel training: You must complete behind-the-wheel training with a licensed CDL instructor.
7. Driving skills test: You must pass the driving skills test in the type of vehicle you will be driving.
8. Fees and documentation: You must pay the required fees and provide all necessary documentation, such as proof of identity and residency.
It is important to note that certain medical requirements must also be met to obtain and maintain a Class B CDL license in Colorado. Additionally, depending on the type of vehicle you will be driving, you may need additional endorsements on your CDL, such as passenger or hazardous materials endorsements.
If you want to drive a commercial vehicle outside of Colorado or transport hazardous materials, you must be at least 21 years old. Additionally, some employers may have their own age requirements for certain types of commercial driving jobs.
Here are some of the endorsements that you may need to obtain:
1. Passenger endorsement: If you plan to drive a Class B commercial vehicle designed to transport 16 or more passengers, including the driver, you will need a passenger endorsement.
2. School bus endorsement: If you plan to drive a school bus with passengers, you will need a school bus endorsement.
3. Hazardous materials endorsement: If you plan to transport hazardous materials in quantities that require placarding, you will need a hazardous materials endorsement.
4. Tanker endorsement: If you plan to transport liquid or gas in bulk containers with a capacity of 1,000 gallons or more, you will need a tanker endorsement.
To obtain these endorsements, you must pass additional knowledge and skills tests specific to each endorsement. It's important to note that there may be additional requirements for each endorsement, such as background checks and fingerprinting.
1. Pre-trip inspection: You will be asked to do a thorough inspection of your vehicle to ensure that it is in good working condition. This includes checking the brakes, tires, lights, steering, suspension, and other important components. You will need to explain to the examiner what you are checking and why.
2. Basic vehicle control: You will be asked to perform several maneuvers to demonstrate your ability to control the vehicle in tight spaces. This may include backing up in a straight line, parallel parking, alley docking, or other maneuvers.
3. On-road driving: You will be required to drive on public roads while the examiner evaluates your ability to safely operate the vehicle in traffic. The examiner will be looking at your ability to use mirrors, signal properly, change lanes safely, maintain proper speed and distance from other vehicles, and follow traffic laws.
To pass the Class B CDL skills test, you must pass all three parts with a score of 80% or higher. Additionally, you must have a valid driver's license and have completed all necessary training requirements before taking the test.
1. Vehicle weight: If you obtain a Class B CDL with a weight restriction, you will not be able to operate vehicles with a gross vehicle weight rating (GVWR) of over 26,000 pounds.
2. Passenger transport: If you obtain a Class B CDL with a passenger endorsement, you can only operate vehicles designed to transport 16 or more passengers, including the driver.
3. Hazardous materials: If you obtain a Class B CDL with a hazardous materials endorsement, you can only transport certain types and quantities of hazardous materials in accordance with federal regulations.
4. Air brakes: If you do not pass the air brakes knowledge test or the air brakes skills test, your Class B CDL will be issued with an air brake restriction. This means that you cannot operate commercial motor vehicles with air brakes.
It's important to note that there may be additional restrictions or limitations depending on your specific situation or endorsements. Make sure to check with the Colorado Division of Motor Vehicles (DMV) for more information on Class B CDL restrictions and limitations.
If you choose to take the written test in a language other than English, you will need to bring an interpreter with you to the DMV. The interpreter must be at least 18 years old and cannot be a family member or business associate. The interpreter will be required to sign an affidavit stating that they will accurately translate the questions and your answers on the test.
It's also important to note that if you pass the written test in a language other than English, you will receive a restriction on your CDL that states that you cannot operate a commercial vehicle without an interpreter. If you later want to remove this restriction, you will need to pass the written test again in English.
To request accommodations, you will need to fill out the Request for Accommodations form and submit it to the DMV. The form asks for information about your disability and the specific accommodations you are requesting. You will also need to provide documentation from a qualified professional that supports your request for accommodations.
The DMV will review your request and determine if the accommodations are appropriate and necessary. Some examples of accommodations that may be provided include extended testing time, a separate testing room, use of a reader or scribe, or an oral test.
It's important to note that you must submit your request for accommodations at least two weeks before your scheduled written test date. This gives the DMV time to review your request and make any necessary arrangements.
If you fail the written test, you will receive a score report that shows which questions you answered incorrectly. This will give you an idea of which areas you need to study before retaking the test.
In Colorado, you are allowed to retake the written test on the same day if there is an available appointment time. However, if you fail the test three times, you will need to wait at least 7 days before retaking it again. If you fail the test five times, you will need to wait at least 14 days before retaking it again.
It's important to note that there is a fee for each attempt at the written test, so it's in your best interest to prepare thoroughly before taking the test. You may want to consider studying from a CDL handbook or taking a practice test before your next attempt.