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
29. About how many drinks does it take for a 200-pound person to reach a 0.02 percent blood alcohol concentration (BAC)?
Explanation
Alcohol impairment begins long before the legal limit is reached. A 200-pound person will reach a blood alcohol concentration (BAC) of 0.02 percent after a single drink.
30. Which of the following is not an example of a driver who might be a hazard?
Explanation
Drivers with blocked vision may pose hazards to others on the road. Examples of such drivers include those who haven't scraped ice off of their windshields; those driving vehicles loaded with large items blocking the windows; and those who are driving rental trucks without being used to the limited rear visibility of a truck.
31. How should you test the low pressure warning signal?
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.
32. Truck tractors with air brakes built on or after March 1, 1997 must be equipped with:
Explanation
Truck tractors with air brakes built on or after March 1, 1997 must be equipped with an Anti-Lock Braking System (ABS).
33. When checking its automatic transmission fluid, the vehicle:
Explanation
Your vehicle's engine may need to be running in order for you to check the level of its automatic transmission fluid.
34. Air tank drains:
Explanation
In an air brake system, air tanks have drains to remove accumulations of water and compressor oil. Allowing water and oil to accumulate in the system could cause damage to the brakes. Manually operated drains should be used daily.
35. Cargo on flatbed trailers should be:
Explanation
On flatbed trailers or trailers without sides, cargo must be tied down to prevent it from shifting or falling off in transit.
Frequently Asked Questions
A Class A CDL (Commercial Driver's License) in Oregon is a type of license required to operate any combination of vehicles with a gross combination weight rating (GCWR) of 26,001 pounds or more, provided the vehicle(s) being towed have a gross vehicle weight rating (GVWR) of more than 10,000 pounds. This includes tractor-trailers, truck and trailer combinations, and other heavy vehicles.
To obtain a Class A CDL in Oregon, the following steps are required:
1. Obtain a CDL manual: Obtain the Oregon CDL Manual from the DMV website or local DMV office. This manual provides information about the license requirements and testing process.
2. Meet eligibility requirements: You must be at least 18 years old to obtain a Class A CDL, but you cannot engage in interstate commerce until you are at least 21 years old. You must also have a valid medical certificate and pass a vision test.
3. Obtain a CLP: Obtain a Commercial Learner's Permit (CLP) by passing the general knowledge test and any applicable endorsement tests.
4. Practice driving: Practice driving with your CLP under the supervision of a licensed CDL holder.
5. Take the skills test: Schedule and pass the skills test at an approved testing facility. The skills test includes three parts - pre-trip inspection, basic control skills, and an on-road driving test.
6. Pay fees: Pay the required fees to obtain your Class A CDL license.
Once you have obtained your Class A CDL license, it is important to adhere to all laws and regulations related to commercial driving in Oregon to maintain your license and avoid penalties or fines.
To obtain a Class A CDL in Oregon, the following steps are required:
1. Obtain a CDL manual: Obtain the Oregon CDL Manual from the DMV website or local DMV office. This manual provides information about the license requirements and testing process.
2. Meet eligibility requirements: You must be at least 18 years old to obtain a Class A CDL, but you cannot engage in interstate commerce until you are at least 21 years old. You must also have a valid medical certificate and pass a vision test.
3. Obtain a CLP: Obtain a Commercial Learner's Permit (CLP) by passing the general knowledge test and any applicable endorsement tests.
4. Practice driving: Practice driving with your CLP under the supervision of a licensed CDL holder.
5. Take the skills test: Schedule and pass the skills test at an approved testing facility. The skills test includes three parts - pre-trip inspection, basic control skills, and an on-road driving test.
6. Pay fees: Pay the required fees to obtain your Class A CDL license.
Once you have obtained your Class A CDL license, it is important to adhere to all laws and regulations related to commercial driving in Oregon to maintain your license and avoid penalties or fines.
With a Class A Commercial Driver's License (CDL) in Oregon, you are authorized to operate a combination of vehicles with a Gross Combination Weight Rating (GCWR) of 26,001 pounds or more, provided the vehicle(s) being towed have a Gross Vehicle Weight Rating (GVWR) of more than 10,000 pounds. This includes the following types of vehicles:
1. Tractor-trailers: A combination of a tractor unit and one or more trailers.
2. Truck and trailer combinations: A combination of a truck and one or more trailers.
3. Double and triple trailers: A combination of two or three trailers connected together.
4. Tanker vehicles: Vehicles designed to transport liquids or gases in bulk.
5. Livestock carriers: Vehicles designed to transport live animals.
6. Flatbeds: Trailers that do not have sides or a roof, which are used to transport oversized loads.
7. Other heavy vehicles: Any other combination of vehicles that meets the Class A CDL requirements.
It is important to note that operating these types of vehicles requires specialized training and knowledge beyond that required for a regular driver's license. Therefore, it is important to obtain the proper training and licensing before attempting to operate any commercial vehicle.
1. Tractor-trailers: A combination of a tractor unit and one or more trailers.
2. Truck and trailer combinations: A combination of a truck and one or more trailers.
3. Double and triple trailers: A combination of two or three trailers connected together.
4. Tanker vehicles: Vehicles designed to transport liquids or gases in bulk.
5. Livestock carriers: Vehicles designed to transport live animals.
6. Flatbeds: Trailers that do not have sides or a roof, which are used to transport oversized loads.
7. Other heavy vehicles: Any other combination of vehicles that meets the Class A CDL requirements.
It is important to note that operating these types of vehicles requires specialized training and knowledge beyond that required for a regular driver's license. Therefore, it is important to obtain the proper training and licensing before attempting to operate any commercial vehicle.
The requirements to obtain a Class A Commercial Driver's License (CDL) in Oregon are as follows:
1. Age: You must be at least 18 years old to obtain a Class A CDL, but you cannot engage in interstate commerce until you are at least 21 years old.
2. Driver's License: You must have a valid driver's license and a good driving record.
3. Medical Certification: You must provide a valid medical certificate that meets the Federal Motor Carrier Safety Administration (FMCSA) medical standards.
4. Knowledge Tests: You must pass the general knowledge test and any applicable endorsement tests, such as air brakes and combination vehicles.
5. Commercial Learner's Permit (CLP): You must obtain a Commercial Learner's Permit (CLP) by passing the knowledge tests.
6. Training: You must complete behind-the-wheel training with a qualified instructor or employer, and practice driving with your CLP under the supervision of a licensed CDL holder.
7. Skills Test: You must pass a three-part skills test that includes pre-trip inspection, basic control skills, and an on-road driving test.
8. Fees: You must pay the required fees to obtain your Class A CDL license.
It is important to note that additional requirements may apply depending on the type of commercial vehicle you plan to operate, such as endorsements for hazardous materials or passenger transport.
1. Age: You must be at least 18 years old to obtain a Class A CDL, but you cannot engage in interstate commerce until you are at least 21 years old.
2. Driver's License: You must have a valid driver's license and a good driving record.
3. Medical Certification: You must provide a valid medical certificate that meets the Federal Motor Carrier Safety Administration (FMCSA) medical standards.
4. Knowledge Tests: You must pass the general knowledge test and any applicable endorsement tests, such as air brakes and combination vehicles.
5. Commercial Learner's Permit (CLP): You must obtain a Commercial Learner's Permit (CLP) by passing the knowledge tests.
6. Training: You must complete behind-the-wheel training with a qualified instructor or employer, and practice driving with your CLP under the supervision of a licensed CDL holder.
7. Skills Test: You must pass a three-part skills test that includes pre-trip inspection, basic control skills, and an on-road driving test.
8. Fees: You must pay the required fees to obtain your Class A CDL license.
It is important to note that additional requirements may apply depending on the type of commercial vehicle you plan to operate, such as endorsements for hazardous materials or passenger transport.
In Oregon, you must be at least 18 years old to obtain a Class A Commercial Driver's License (CDL). However, you cannot engage in interstate commerce (i.e., transport goods or passengers across state lines) until you are at least 21 years old. This is due to federal regulations that require drivers engaged in interstate commerce to be at least 21 years old.
It is important to note that some employers may have additional age requirements for their drivers, so it is important to check with potential employers to determine their specific hiring criteria.
It is important to note that some employers may have additional age requirements for their drivers, so it is important to check with potential employers to determine their specific hiring criteria.
Yes, you may need endorsements for your Class A Commercial Driver's License (CDL), depending on the type of commercial vehicle you plan to operate. Endorsements are additional certifications that allow you to operate certain types of vehicles or transport certain types of cargo.
In Oregon, the following endorsements are available for Class A CDL holders:
1. T - Double/Triple Trailers: To pull double or triple trailers.
2. P - Passenger: To transport passengers in a commercial vehicle.
3. N - Tank Vehicle: To transport liquids or gases in bulk containers.
4. H - Hazardous Materials: To transport hazardous materials as defined by federal regulations.
5. X - Combination of Tank Vehicle and Hazardous Materials: To transport both hazardous materials and liquids or gases in bulk containers.
If you plan to operate a commercial vehicle that requires any of these endorsements, you will need to pass additional knowledge tests and meet other requirements, such as background checks and fingerprinting.
In Oregon, the following endorsements are available for Class A CDL holders:
1. T - Double/Triple Trailers: To pull double or triple trailers.
2. P - Passenger: To transport passengers in a commercial vehicle.
3. N - Tank Vehicle: To transport liquids or gases in bulk containers.
4. H - Hazardous Materials: To transport hazardous materials as defined by federal regulations.
5. X - Combination of Tank Vehicle and Hazardous Materials: To transport both hazardous materials and liquids or gases in bulk containers.
If you plan to operate a commercial vehicle that requires any of these endorsements, you will need to pass additional knowledge tests and meet other requirements, such as background checks and fingerprinting.
The Class A Commercial Driver's License (CDL) skills test in Oregon consists of three parts:
1. Pre-Trip Vehicle Inspection: You will be asked to perform a thorough inspection of your vehicle to ensure that it is safe to operate. This includes checking the brakes, steering, lights, tires, and other components.
2. Basic Vehicle Control: You will be asked to demonstrate your ability to control your vehicle in a variety of situations, such as backing up, turning, and maneuvering through a course.
3. On-Road Driving: You will be asked to drive your vehicle on public roads while demonstrating your ability to follow traffic laws, merge safely onto highways, change lanes, and make turns.
Each part of the test is designed to evaluate your knowledge and skills related to operating a commercial vehicle safely and effectively. It is important to practice and prepare for the test by studying the Oregon Commercial Driver Manual and getting hands-on experience with a qualified instructor or mentor.
1. Pre-Trip Vehicle Inspection: You will be asked to perform a thorough inspection of your vehicle to ensure that it is safe to operate. This includes checking the brakes, steering, lights, tires, and other components.
2. Basic Vehicle Control: You will be asked to demonstrate your ability to control your vehicle in a variety of situations, such as backing up, turning, and maneuvering through a course.
3. On-Road Driving: You will be asked to drive your vehicle on public roads while demonstrating your ability to follow traffic laws, merge safely onto highways, change lanes, and make turns.
Each part of the test is designed to evaluate your knowledge and skills related to operating a commercial vehicle safely and effectively. It is important to practice and prepare for the test by studying the Oregon Commercial Driver Manual and getting hands-on experience with a qualified instructor or mentor.
Yes, there are some restrictions and limitations for drivers with a Class A Commercial Driver's License (CDL) in Oregon. Here are some common restrictions:
1. Air Brake Restriction: If you have not passed the air brake knowledge test and skills test, you will have an "L" restriction on your license, which means you are not authorized to drive a commercial vehicle with air brakes.
2. Intrastate Only Restriction: If you do not meet the federal medical requirements or do not self-certify to operate in interstate commerce, you will have an "O" restriction on your license, which means you are only authorized to operate commercial vehicles within Oregon.
3. Automatic Transmission Restriction: If you take your skills test in a vehicle with an automatic transmission, you will have an "E" restriction on your license, which means you are not authorized to drive a commercial vehicle with a manual transmission.
4. Other restrictions: Depending on your driving history or other factors, you may have additional restrictions on your license, such as a restriction that limits you to driving during daylight hours or prohibits you from driving certain types of vehicles.
It is important to understand and comply with any restrictions or limitations on your CDL license to avoid penalties or other consequences.
1. Air Brake Restriction: If you have not passed the air brake knowledge test and skills test, you will have an "L" restriction on your license, which means you are not authorized to drive a commercial vehicle with air brakes.
2. Intrastate Only Restriction: If you do not meet the federal medical requirements or do not self-certify to operate in interstate commerce, you will have an "O" restriction on your license, which means you are only authorized to operate commercial vehicles within Oregon.
3. Automatic Transmission Restriction: If you take your skills test in a vehicle with an automatic transmission, you will have an "E" restriction on your license, which means you are not authorized to drive a commercial vehicle with a manual transmission.
4. Other restrictions: Depending on your driving history or other factors, you may have additional restrictions on your license, such as a restriction that limits you to driving during daylight hours or prohibits you from driving certain types of vehicles.
It is important to understand and comply with any restrictions or limitations on your CDL license to avoid penalties or other consequences.
Yes, you can take the Class A Commercial Driver's License (CDL) written test in a language other than English in Oregon. The Oregon Department of Transportation (ODOT) offers the CDL written test in several languages, including Spanish, Russian, Vietnamese, Chinese, and more.
However, it's important to note that the skills test and the pre-trip inspection test must be taken in English. This is because the CDL skills test requires clear communication between the examiner and the driver, and the pre-trip inspection test involves identifying and describing various components of a commercial vehicle using standard English terminology.
If you choose to take the CDL written test in a language other than English, you will need to bring a qualified interpreter with you to the testing site. The interpreter must be fluent in both English and your chosen language, and they must not have any interest in the outcome of your test. The interpreter will translate the questions for you and your answers for the examiner.
It is important to note that passing a written test in a language other than English does not exempt you from meeting all other CDL requirements, including passing the skills test and meeting all medical requirements.
However, it's important to note that the skills test and the pre-trip inspection test must be taken in English. This is because the CDL skills test requires clear communication between the examiner and the driver, and the pre-trip inspection test involves identifying and describing various components of a commercial vehicle using standard English terminology.
If you choose to take the CDL written test in a language other than English, you will need to bring a qualified interpreter with you to the testing site. The interpreter must be fluent in both English and your chosen language, and they must not have any interest in the outcome of your test. The interpreter will translate the questions for you and your answers for the examiner.
It is important to note that passing a written test in a language other than English does not exempt you from meeting all other CDL requirements, including passing the skills test and meeting all medical requirements.
Yes, you can request accommodations for the Class A Commercial Driver's License (CDL) written test if you have a disability that affects your ability to take the test. The Oregon Department of Transportation (ODOT) is committed to providing equal access to all individuals, including those with disabilities.
To request accommodations, you will need to submit a request form and documentation of your disability to ODOT. The request form is available on the ODOT website and must be submitted at least 30 days before your scheduled test date.
Examples of accommodations that may be provided include:
- Extended testing time
- Use of a reader or sign language interpreter
- Use of a computer or other assistive technology
- Large-print or Braille test materials
ODOT will review your request and documentation and determine what accommodations are reasonable and appropriate based on your individual needs.
It's important to note that the accommodation process can take some time, so it's recommended that you submit your request as early as possible. If you have any questions or concerns about the accommodation process, you can contact ODOT for assistance.
To request accommodations, you will need to submit a request form and documentation of your disability to ODOT. The request form is available on the ODOT website and must be submitted at least 30 days before your scheduled test date.
Examples of accommodations that may be provided include:
- Extended testing time
- Use of a reader or sign language interpreter
- Use of a computer or other assistive technology
- Large-print or Braille test materials
ODOT will review your request and documentation and determine what accommodations are reasonable and appropriate based on your individual needs.
It's important to note that the accommodation process can take some time, so it's recommended that you submit your request as early as possible. If you have any questions or concerns about the accommodation process, you can contact ODOT for assistance.
If you fail the Class A Commercial Driver's License (CDL) written test in Oregon, you will be allowed to retake the test. However, there are certain restrictions and waiting periods that apply.
If you fail the written test, you will be required to wait at least one day before retaking the test. If you fail the test again, you will need to wait at least seven days before taking it again. After the third failed attempt, you will need to wait at least 30 days before retaking the test.
It's important to note that each time you retake the written test, you will need to pay the testing fee again. The fee for the Class A CDL written test in Oregon is currently $75.
Before retaking the test, it's recommended that you review the study materials and identify areas where you may need additional preparation. You may also want to consider taking a commercial driver's license course or practice tests to improve your knowledge and skills.
Remember that passing the written test is just one step in obtaining a Class A CDL in Oregon. You will also need to pass a skills test and meet all other requirements for obtaining a CDL.
If you fail the written test, you will be required to wait at least one day before retaking the test. If you fail the test again, you will need to wait at least seven days before taking it again. After the third failed attempt, you will need to wait at least 30 days before retaking the test.
It's important to note that each time you retake the written test, you will need to pay the testing fee again. The fee for the Class A CDL written test in Oregon is currently $75.
Before retaking the test, it's recommended that you review the study materials and identify areas where you may need additional preparation. You may also want to consider taking a commercial driver's license course or practice tests to improve your knowledge and skills.
Remember that passing the written test is just one step in obtaining a Class A CDL in Oregon. You will also need to pass a skills test and meet all other requirements for obtaining a CDL.
