Knowledge Test Class A
This license is required for driving any legal combination of vehicles, with a gross combination weight rating of 26,001 pounds or more, provided the GVWR of a trailer exceeds 10,000 pounds 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 Oregon Commercial Driver Manual. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Combination, Doubles and Hazardous Materials. Endorsements that may be used with a Class A CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.
Number of Question
Passing Score
22. If you are driving at a reduced speed in a construction zone when you spot a construction worker near the road, you should:
Explanation
Always decrease your speed when traveling through a construction area. Slow down even further if there are workers on or near the roadway.
23. An air compressor governor will stop the compressor from pumping air once the air tanks have an air pressure level of:
Explanation
An air compressor governor will stop the compressor from pumping air once the air tanks are at an air pressure level of 125 psi. This air pressure level is referred to as the "cut-out" level.
24. What is another name for front end header boards?
Explanation
Front-end header boards, also known as "headache racks," protect the driver from cargo moving in the event of a crash or emergency stop.
25. For safety purposes, when should you turn off a retarder?
Explanation
Retarders are mechanisms in some vehicles that help slow a vehicle and reduce the need for braking. However, using a retarder may cause wheels to skid when they have poor traction. Turn off retarders when traveling under wet, snowy, or icy conditions.
26. If driving a truck that requires a CDL for operation:
Explanation
For safety, you must wear your seat belt at all times while operating a CMV.
27. ABS brakes:
Explanation
The purpose of an Anti-Lock Braking System (ABS) is to prevent a vehicle's wheels from locking up when the driver brakes hard on a slippery surface.
28. While driving a CMV:
Explanation
While driving a CMV, you may not make voice calls if you need to hold your phone or press more than one button to do so. Additionally, you may not send or read text messages while driving.
Ranked by best match
Frequently Asked Questions
A Class A CDL (Commercial Driver's License) is required to operate any combination of vehicles with a total weight of 26,001 pounds or more, where the vehicle being towed weighs more than 10,000 pounds. This includes tractor-trailers, tanker vehicles, and flatbed trucks.
In order to obtain a Class A CDL in Oregon, you must first hold a valid Oregon driver's license and pass a series of written and practical tests. Here are the steps to obtain a Class A CDL in Oregon:
1. Obtain a Commercial Learner's Permit (CLP) by passing a written test.
2. Practice driving with an experienced CDL holder with the same class of license you are applying for.
3. Pass a pre-trip inspection test to demonstrate knowledge of the vehicle's safety features and proper maintenance.
4. Pass a basic control skills test which includes maneuvers such as backing up and turning.
5. Pass an on-road skills test which tests your ability to safely operate the vehicle on public roads.
Once you have successfully completed these steps, you will be issued a Class A CDL. It is important to note that there are additional endorsements that can be added to your CDL for specific types of vehicles or cargo (such as hazardous materials).
In order to obtain a Class A CDL in Oregon, you must first hold a valid Oregon driver's license and pass a series of written and practical tests. Here are the steps to obtain a Class A CDL in Oregon:
1. Obtain a Commercial Learner's Permit (CLP) by passing a written test.
2. Practice driving with an experienced CDL holder with the same class of license you are applying for.
3. Pass a pre-trip inspection test to demonstrate knowledge of the vehicle's safety features and proper maintenance.
4. Pass a basic control skills test which includes maneuvers such as backing up and turning.
5. Pass an on-road skills test which tests your ability to safely operate the vehicle on public roads.
Once you have successfully completed these steps, you will be issued a Class A CDL. It is important to note that there are additional endorsements that can be added to your CDL for specific types of vehicles or cargo (such as hazardous materials).
With a Class A CDL license, you can operate a combination of vehicles with a total weight of 26,001 pounds or more, where the vehicle being towed weighs more than 10,000 pounds. This includes:
1. Tractor-trailers: A semi-truck pulling one or more trailers.
2. Tanker vehicles: Vehicles designed to transport liquids or gases in bulk.
3. Livestock carriers: Vehicles designed to transport live animals.
4. Flatbed trucks: Trucks with an open trailer for carrying large or bulky cargo.
5. Doubles and triples: Vehicles with two or three trailers attached.
It is important to note that specific endorsements may be required to operate certain types of vehicles or cargo, such as hazardous materials or passenger transport.
1. Tractor-trailers: A semi-truck pulling one or more trailers.
2. Tanker vehicles: Vehicles designed to transport liquids or gases in bulk.
3. Livestock carriers: Vehicles designed to transport live animals.
4. Flatbed trucks: Trucks with an open trailer for carrying large or bulky cargo.
5. Doubles and triples: Vehicles with two or three trailers attached.
It is important to note that specific endorsements may be required to operate certain types of vehicles or cargo, such as hazardous materials or passenger transport.
To obtain a Class A CDL license in Oregon, you must meet the following requirements:
1. Be at least 18 years of age to operate within Oregon or 21 years of age for interstate commerce.
2. Hold a valid Oregon driver's license.
3. Self-certify your driving status and the type of commercial driving you intend to do.
4. Provide proof of your legal presence in the United States.
5. Pass a medical examination and submit a valid Medical Examiner's Certificate.
6. Obtain a Commercial Learner's Permit (CLP) by passing a written test.
7. Practice driving with an experienced CDL holder with the same class of license you are applying for.
8. Pass a pre-trip inspection test to demonstrate knowledge of the vehicle's safety features and proper maintenance.
9. Pass a basic control skills test which includes maneuvers such as backing up and turning.
10. Pass an on-road skills test which tests your ability to safely operate the vehicle on public roads.
It is also important to note that additional endorsements may be required for specific types of vehicles or cargo, such as hazardous materials or passenger transport.
1. Be at least 18 years of age to operate within Oregon or 21 years of age for interstate commerce.
2. Hold a valid Oregon driver's license.
3. Self-certify your driving status and the type of commercial driving you intend to do.
4. Provide proof of your legal presence in the United States.
5. Pass a medical examination and submit a valid Medical Examiner's Certificate.
6. Obtain a Commercial Learner's Permit (CLP) by passing a written test.
7. Practice driving with an experienced CDL holder with the same class of license you are applying for.
8. Pass a pre-trip inspection test to demonstrate knowledge of the vehicle's safety features and proper maintenance.
9. Pass a basic control skills test which includes maneuvers such as backing up and turning.
10. Pass an on-road skills test which tests your ability to safely operate the vehicle on public roads.
It is also important to note that additional endorsements may be required for specific types of vehicles or cargo, such as hazardous materials or passenger transport.
The minimum age requirement for a Class A CDL license in Oregon is 18 years old for intrastate driving and 21 years old for interstate driving. This means that if you plan on only driving within the state of Oregon, you can obtain a Class A CDL license at the age of 18. However, if you plan on driving outside of Oregon, you must be at least 21 years old to obtain a Class A CDL license. It is important to note that some employers may have their own age requirements that exceed the minimum state requirements.
In Oregon, you may need additional endorsements for a Class A CDL license depending on the type of vehicle you plan to operate and the type of cargo you plan to transport. Some common endorsements include:
1. T - Double/Triple Trailers: This endorsement allows you to operate vehicles with double or triple trailers.
2. N - Tank Vehicles: This endorsement allows you to operate vehicles that transport liquids or gases in tanks.
3. H - Hazardous Materials: This endorsement allows you to transport hazardous materials in accordance with federal regulations.
4. X - Combination of Tank Vehicle and Hazardous Materials: This endorsement combines both the tank vehicle and hazardous materials endorsements.
5. P - Passenger: This endorsement allows you to transport passengers, such as in a bus or van.
It is important to note that each endorsement has its own requirements, such as passing additional written exams and meeting certain training requirements. You will also need to renew your endorsements periodically, usually every 5 years, by passing the appropriate knowledge test again.
1. T - Double/Triple Trailers: This endorsement allows you to operate vehicles with double or triple trailers.
2. N - Tank Vehicles: This endorsement allows you to operate vehicles that transport liquids or gases in tanks.
3. H - Hazardous Materials: This endorsement allows you to transport hazardous materials in accordance with federal regulations.
4. X - Combination of Tank Vehicle and Hazardous Materials: This endorsement combines both the tank vehicle and hazardous materials endorsements.
5. P - Passenger: This endorsement allows you to transport passengers, such as in a bus or van.
It is important to note that each endorsement has its own requirements, such as passing additional written exams and meeting certain training requirements. You will also need to renew your endorsements periodically, usually every 5 years, by passing the appropriate knowledge test again.
The Class A CDL skills test in Oregon consists of three parts:
1. Pre-Trip Inspection: You will be required to inspect your vehicle and identify any potential safety hazards or mechanical issues. You will need to demonstrate your knowledge of the vehicle's components and the proper way to inspect them.
2. Basic Vehicle Control: You will be tested on your ability to control the vehicle in a variety of situations, such as backing up, turning, and parking. You will need to demonstrate your ability to control the vehicle with precision and accuracy.
3. On-Road Driving: You will be required to demonstrate your ability to safely operate the vehicle on public roads. This will include merging onto highways, changing lanes, navigating intersections, and making turns. You will be evaluated on your ability to safely operate the vehicle in real-world driving situations.
It is important to note that the skills test is not a simple test and requires adequate preparation and practice. You will need to have a thorough understanding of the vehicle's mechanics, as well as driving techniques and safety procedures. It is recommended that you take a formal training course to prepare for the skills test and gain experience behind the wheel of a Class A vehicle before taking the test.
1. Pre-Trip Inspection: You will be required to inspect your vehicle and identify any potential safety hazards or mechanical issues. You will need to demonstrate your knowledge of the vehicle's components and the proper way to inspect them.
2. Basic Vehicle Control: You will be tested on your ability to control the vehicle in a variety of situations, such as backing up, turning, and parking. You will need to demonstrate your ability to control the vehicle with precision and accuracy.
3. On-Road Driving: You will be required to demonstrate your ability to safely operate the vehicle on public roads. This will include merging onto highways, changing lanes, navigating intersections, and making turns. You will be evaluated on your ability to safely operate the vehicle in real-world driving situations.
It is important to note that the skills test is not a simple test and requires adequate preparation and practice. You will need to have a thorough understanding of the vehicle's mechanics, as well as driving techniques and safety procedures. It is recommended that you take a formal training course to prepare for the skills test and gain experience behind the wheel of a Class A vehicle before taking the test.
Yes, there are some restrictions and limitations for drivers with a Class A CDL license in Oregon. Some of the most common restrictions include:
1. Air Brake Restriction: If you took your skills test in a vehicle without air brakes, you will have an air brake restriction on your license. This means you are not authorized to operate a vehicle with air brakes.
2. Automatic Transmission Restriction: If you took your skills test in a vehicle with an automatic transmission, you will have an automatic transmission restriction on your license. This means you are not authorized to operate vehicles with manual transmissions.
3. Intrastate Only Restriction: If you do not meet certain federal medical requirements, you may have an intrastate only restriction on your license. This means you are only authorized to operate commercial vehicles within the state of Oregon and cannot drive across state lines.
4. Passenger Vehicle Restriction: If you did not pass the passenger endorsement test, you will have a passenger vehicle restriction on your license. This means you are not authorized to operate vehicles designed to transport more than 15 passengers.
It is important to note that these restrictions can be removed by passing additional tests or meeting certain requirements. Additionally, violating any of these restrictions can result in fines and penalties, as well as suspension or revocation of your CDL license.
1. Air Brake Restriction: If you took your skills test in a vehicle without air brakes, you will have an air brake restriction on your license. This means you are not authorized to operate a vehicle with air brakes.
2. Automatic Transmission Restriction: If you took your skills test in a vehicle with an automatic transmission, you will have an automatic transmission restriction on your license. This means you are not authorized to operate vehicles with manual transmissions.
3. Intrastate Only Restriction: If you do not meet certain federal medical requirements, you may have an intrastate only restriction on your license. This means you are only authorized to operate commercial vehicles within the state of Oregon and cannot drive across state lines.
4. Passenger Vehicle Restriction: If you did not pass the passenger endorsement test, you will have a passenger vehicle restriction on your license. This means you are not authorized to operate vehicles designed to transport more than 15 passengers.
It is important to note that these restrictions can be removed by passing additional tests or meeting certain requirements. Additionally, violating any of these restrictions can result in fines and penalties, as well as suspension or revocation of your CDL license.
In Oregon, the Class A CDL written test is available in several languages, including English, Spanish, Russian, Japanese, Korean, and Vietnamese. However, it is important to note that the skills test is only available in English.
If you choose to take the written test in a language other than English, you will need to notify the Oregon Department of Transportation (ODOT) when you schedule your appointment for the test. You may also need to bring an interpreter with you to translate the instructions and questions.
It is important to note that if you choose to take the test in a language other than English, you will still be required to demonstrate your ability to read and understand English on the road test. This includes understanding road signs and communicating with law enforcement officers and other drivers on the road.
If you have any questions or concerns about taking the Class A CDL written test in a language other than English, it is recommended that you contact ODOT for more information.
If you choose to take the written test in a language other than English, you will need to notify the Oregon Department of Transportation (ODOT) when you schedule your appointment for the test. You may also need to bring an interpreter with you to translate the instructions and questions.
It is important to note that if you choose to take the test in a language other than English, you will still be required to demonstrate your ability to read and understand English on the road test. This includes understanding road signs and communicating with law enforcement officers and other drivers on the road.
If you have any questions or concerns about taking the Class A CDL written test in a language other than English, it is recommended that you contact ODOT for more information.
Yes, individuals with disabilities who need accommodations to take the Class A CDL written test in Oregon can request accommodations through the Oregon Department of Transportation (ODOT).
To request accommodations, you will need to fill out the "Request for Reasonable Accommodation" form and submit it to ODOT. The form is available on the ODOT website, and it must be submitted at least 30 days before your scheduled test date.
Some examples of accommodations that may be available include:
- Extended testing time
- A private testing room
- A reader or scribe
- Special lighting or equipment
- Sign language interpreter
ODOT will review your request and determine what accommodations are necessary to ensure that you can take the test in a fair and equitable manner. They may also ask for additional documentation from a medical professional to support your request.
It is important to note that not all requests for accommodations will be granted. ODOT will make a decision based on the individual's disability and the specific nature of the request.
If you have any questions or concerns about requesting accommodations for the Class A CDL written test, it is recommended that you contact ODOT for more information.
To request accommodations, you will need to fill out the "Request for Reasonable Accommodation" form and submit it to ODOT. The form is available on the ODOT website, and it must be submitted at least 30 days before your scheduled test date.
Some examples of accommodations that may be available include:
- Extended testing time
- A private testing room
- A reader or scribe
- Special lighting or equipment
- Sign language interpreter
ODOT will review your request and determine what accommodations are necessary to ensure that you can take the test in a fair and equitable manner. They may also ask for additional documentation from a medical professional to support your request.
It is important to note that not all requests for accommodations will be granted. ODOT will make a decision based on the individual's disability and the specific nature of the request.
If you have any questions or concerns about requesting accommodations for the Class A CDL written test, it is recommended that you contact ODOT for more information.
If you fail the Class A CDL written test in Oregon, you will be allowed to retake the test after a waiting period of at least one day. However, if you fail the test three times, you will be required to wait at least 30 days before you can retake the test again.
It is important to note that there may be additional fees associated with retaking the test. You will need to pay the testing fee each time you take the test, regardless of whether or not you pass.
If you fail the test multiple times, it may be a sign that you need additional preparation or training before retaking the test. You may want to consider enrolling in a driver training program or studying with a CDL practice test to help improve your chances of passing the written test.
It is also important to note that passing the written test is only one step in obtaining a Class A CDL. You will also need to pass a skills test, which includes a pre-trip inspection, basic vehicle control, and an on-road driving portion. Therefore, it is important to be well-prepared for both parts of the exam before attempting to obtain a Class A CDL.
It is important to note that there may be additional fees associated with retaking the test. You will need to pay the testing fee each time you take the test, regardless of whether or not you pass.
If you fail the test multiple times, it may be a sign that you need additional preparation or training before retaking the test. You may want to consider enrolling in a driver training program or studying with a CDL practice test to help improve your chances of passing the written test.
It is also important to note that passing the written test is only one step in obtaining a Class A CDL. You will also need to pass a skills test, which includes a pre-trip inspection, basic vehicle control, and an on-road driving portion. Therefore, it is important to be well-prepared for both parts of the exam before attempting to obtain a Class A CDL.
