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 two, three or four possible answer choices. Test questions come from the Nebraska Commercial Driver License 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
1. Most heavy-duty vehicles use ____ air brake systems.
Explanation
The majority of heavy-duty vehicles are equipped with dual air brake systems.
2. What do headers do?
Explanation
Front-end header boards protect the driver from the forward motion of their cargo in the event of a crash or emergency stop.
3. 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.
4. When going down a steep downhill, your primary source of braking should be:
Explanation
On a steep downgrade, you must use the engine's braking effect as your primary method of speed control. Be sure to decelerate and downshift appropriately before beginning to drive down the hill.
5. A vehicle equipped with an Anti-Lock Braking System (ABS) can be identified by:
Explanation
You can tell that your vehicle is equipped with an Anti-Lock Braking System (ABS) if it has a yellow ABS malfunction lamp on the instrument panel.
6. A ____ allows a driver to gradually apply spring brakes.
Explanation
A modulating control valve allows a driver to gradually apply spring brakes. In equipped vehicles, the valve is controlled by a lever located on the dashboard.
7. Eating while driving:
Explanation
Eating while driving can be a dangerous distraction to the driver both because it diverts their attention away from the task at hand and requires them to remove a hand from the steering wheel.
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Frequently Asked Questions
A Class A Commercial Driver's License (CDL) in Nebraska allows drivers to operate a combination of vehicles with a total weight of 26,001 pounds or more, including a towed vehicle that weighs more than 10,000 pounds. This type of license is required for drivers who operate vehicles such as tractor-trailers, tanker trucks, and livestock carriers.
To obtain a Class A CDL in Nebraska, you must pass a written knowledge test and a skills test. You will also need to provide proof of your identity, residency, and Social Security number. Additionally, you must pass a medical examination to ensure that you are physically qualified to operate a commercial vehicle.
It is important to note that there are additional endorsements that drivers can obtain for their CDL license in Nebraska, such as the Hazmat endorsement for transporting hazardous materials or the Tanker endorsement for operating tanker trucks.
To obtain a Class A CDL in Nebraska, you must pass a written knowledge test and a skills test. You will also need to provide proof of your identity, residency, and Social Security number. Additionally, you must pass a medical examination to ensure that you are physically qualified to operate a commercial vehicle.
It is important to note that there are additional endorsements that drivers can obtain for their CDL license in Nebraska, such as the Hazmat endorsement for transporting hazardous materials or the Tanker endorsement for operating tanker trucks.
With a Class A Commercial Driver's License (CDL) in Nebraska, you can operate a combination of vehicles with a total weight of 26,001 pounds or more, as long as the towed vehicle weighs more than 10,000 pounds. Some examples of vehicles you can operate with a Class A CDL license include:
- Tractor-trailers
- Livestock carriers
- Tanker trucks
- Flatbed trucks with trailers
- Dump trucks with trailers
- Double or triple trailers
It is important to note that even if you have a Class A CDL license, you may need additional endorsements to operate certain types of vehicles. For example, if you want to transport hazardous materials, you will need to obtain a Hazmat endorsement. If you want to operate a tanker truck, you will need to obtain a Tanker endorsement.
- Tractor-trailers
- Livestock carriers
- Tanker trucks
- Flatbed trucks with trailers
- Dump trucks with trailers
- Double or triple trailers
It is important to note that even if you have a Class A CDL license, you may need additional endorsements to operate certain types of vehicles. For example, if you want to transport hazardous materials, you will need to obtain a Hazmat endorsement. If you want to operate a tanker truck, you will need to obtain a Tanker endorsement.
To obtain a Class A Commercial Driver's License (CDL) in Nebraska, you must meet the following requirements:
1. Be at least 18 years of age to operate a commercial vehicle within the state of Nebraska or 21 years of age to operate a commercial vehicle across state lines or transport hazardous materials.
2. Possess a valid driver's license and provide proof of identity, residency, and Social Security number.
3. Pass a medical examination to ensure that you are physically qualified to operate a commercial vehicle, and provide proof of passing the examination.
4. Pass a written knowledge test that covers general knowledge of commercial driving rules and regulations, air brakes, combination vehicles, and other specialized topics.
5. Obtain a Commercial Learner's Permit (CLP), which requires passing a written test on general knowledge and obtaining any additional endorsements needed for your intended vehicle type.
6. Complete behind-the-wheel training with a qualified instructor, including at least 10 hours on the road and 15 hours of observation in the type of commercial vehicle you intend to operate.
7. Pass a skills test that includes pre-trip vehicle inspection, basic control skills, and on-road driving.
8. Pay the required fees for your CDL license and any additional endorsements needed.
It is important to note that additional endorsements may be required for certain types of commercial vehicles, such as hazardous materials or tanker trucks.
1. Be at least 18 years of age to operate a commercial vehicle within the state of Nebraska or 21 years of age to operate a commercial vehicle across state lines or transport hazardous materials.
2. Possess a valid driver's license and provide proof of identity, residency, and Social Security number.
3. Pass a medical examination to ensure that you are physically qualified to operate a commercial vehicle, and provide proof of passing the examination.
4. Pass a written knowledge test that covers general knowledge of commercial driving rules and regulations, air brakes, combination vehicles, and other specialized topics.
5. Obtain a Commercial Learner's Permit (CLP), which requires passing a written test on general knowledge and obtaining any additional endorsements needed for your intended vehicle type.
6. Complete behind-the-wheel training with a qualified instructor, including at least 10 hours on the road and 15 hours of observation in the type of commercial vehicle you intend to operate.
7. Pass a skills test that includes pre-trip vehicle inspection, basic control skills, and on-road driving.
8. Pay the required fees for your CDL license and any additional endorsements needed.
It is important to note that additional endorsements may be required for certain types of commercial vehicles, such as hazardous materials or tanker trucks.
To obtain a Class A Commercial Driver's License (CDL) in Nebraska, you must be at least 18 years old to operate a commercial vehicle within the state of Nebraska. However, you must be at least 21 years old to operate a commercial vehicle across state lines or transport hazardous materials. It is important to note that some employers may have their own age requirements for certain driving positions, so it's important to check with any potential employers before pursuing a CDL.
You may need additional endorsements on your Class A Commercial Driver's License (CDL) depending on the type of vehicle you intend to operate and the cargo you intend to transport. The following endorsements are available:
1. T - Double/Triple Trailers: Required for drivers pulling double or triple trailers.
2. P - Passenger: Required for drivers of vehicles designed to transport 16 or more passengers, including the driver.
3. N - Tank Vehicle: Required for drivers of vehicles used to transport liquids or gases in bulk containers with a capacity of 1,000 gallons or more.
4. H - Hazardous Materials: Required for drivers transporting hazardous materials that require placarding.
5. X - Combination of Tank Vehicle and Hazardous Materials: Required for drivers transporting both hazardous materials and liquids or gases in bulk containers with a capacity of 1,000 gallons or more.
To obtain these endorsements, you must pass additional knowledge tests and meet specific requirements depending on the endorsement type. It is important to note that some employers may require specific endorsements for certain driving positions, so it's important to check with any potential employers before pursuing a CDL.
1. T - Double/Triple Trailers: Required for drivers pulling double or triple trailers.
2. P - Passenger: Required for drivers of vehicles designed to transport 16 or more passengers, including the driver.
3. N - Tank Vehicle: Required for drivers of vehicles used to transport liquids or gases in bulk containers with a capacity of 1,000 gallons or more.
4. H - Hazardous Materials: Required for drivers transporting hazardous materials that require placarding.
5. X - Combination of Tank Vehicle and Hazardous Materials: Required for drivers transporting both hazardous materials and liquids or gases in bulk containers with a capacity of 1,000 gallons or more.
To obtain these endorsements, you must pass additional knowledge tests and meet specific requirements depending on the endorsement type. It is important to note that some employers may require specific endorsements for certain driving positions, so it's important to check with any potential employers before pursuing a CDL.
The Class A Commercial Driver's License (CDL) skills test is typically divided into three parts:
1. Pre-Trip Inspection: You will be required to perform a thorough inspection of your vehicle and demonstrate your knowledge of the vehicle's components and safety features.
2. Basic Vehicle Control: You will be required to demonstrate your ability to control your vehicle in a variety of situations, including straight line backing, offset backing, parallel parking, and alley docking.
3. On-Road Driving: You will be required to demonstrate your ability to safely operate your vehicle on public roads, including driving in traffic, turning, merging, and changing lanes.
During the skills test, you will be evaluated on your ability to follow safety procedures and use proper driving techniques. It is important to note that the skills test requirements may vary depending on the state and the specific CDL class being obtained. It is recommended that you review the CDL manual for your state and practice with a licensed CDL instructor before taking the skills test.
1. Pre-Trip Inspection: You will be required to perform a thorough inspection of your vehicle and demonstrate your knowledge of the vehicle's components and safety features.
2. Basic Vehicle Control: You will be required to demonstrate your ability to control your vehicle in a variety of situations, including straight line backing, offset backing, parallel parking, and alley docking.
3. On-Road Driving: You will be required to demonstrate your ability to safely operate your vehicle on public roads, including driving in traffic, turning, merging, and changing lanes.
During the skills test, you will be evaluated on your ability to follow safety procedures and use proper driving techniques. It is important to note that the skills test requirements may vary depending on the state and the specific CDL class being obtained. It is recommended that you review the CDL manual for your state and practice with a licensed CDL instructor before taking the skills test.
Yes, there are restrictions and limitations for drivers with a Class A Commercial Driver's License (CDL). Some of the most common restrictions and limitations include:
1. Air Brake Restriction: If you took the skills test in a vehicle without air brakes, you will have an air brake restriction on your CDL. This means that you are not licensed to operate a vehicle with air brakes.
2. Automatic Transmission Restriction: If you took the skills test in a vehicle with an automatic transmission, you will have an automatic transmission restriction on your CDL. This means that you are not licensed to operate a vehicle with a manual transmission.
3. Intrastate Only Restriction: Drivers who do not meet certain federal medical or age requirements may be restricted to driving within their state of residence only.
4. Hazmat Endorsement Restriction: Drivers who fail to pass the hazardous materials knowledge test or do not meet other requirements may be restricted from transporting hazardous materials.
5. Passenger Endorsement Restriction: Drivers who fail to pass the passenger transport knowledge test or do not meet other requirements may be restricted from transporting passengers.
It is important for drivers to be aware of any restrictions or limitations on their CDL and to follow all applicable rules and regulations when operating a commercial vehicle.
1. Air Brake Restriction: If you took the skills test in a vehicle without air brakes, you will have an air brake restriction on your CDL. This means that you are not licensed to operate a vehicle with air brakes.
2. Automatic Transmission Restriction: If you took the skills test in a vehicle with an automatic transmission, you will have an automatic transmission restriction on your CDL. This means that you are not licensed to operate a vehicle with a manual transmission.
3. Intrastate Only Restriction: Drivers who do not meet certain federal medical or age requirements may be restricted to driving within their state of residence only.
4. Hazmat Endorsement Restriction: Drivers who fail to pass the hazardous materials knowledge test or do not meet other requirements may be restricted from transporting hazardous materials.
5. Passenger Endorsement Restriction: Drivers who fail to pass the passenger transport knowledge test or do not meet other requirements may be restricted from transporting passengers.
It is important for drivers to be aware of any restrictions or limitations on their CDL and to follow all applicable rules and regulations when operating a commercial vehicle.
In Nebraska, the Class A Commercial Driver's License (CDL) written test is only available in English. The Nebraska Department of Motor Vehicles (DMV) requires all applicants to take the written test in English, regardless of their native language. However, the DMV does offer audio assistance in Spanish or a written translation of the exam in other languages. This assistance is provided to help non-English speakers better understand the questions and instructions on the exam. It is important to note that while the DMV may provide language assistance, all applicants are still required to have a basic understanding of English in order to operate a commercial vehicle safely on public roads.
Yes, you can request accommodations for the Class A Commercial Driver's License (CDL) written test if you have a disability. The Nebraska Department of Motor Vehicles (DMV) provides reasonable accommodations to individuals with disabilities, in order to ensure that they have an equal opportunity to obtain a CDL.
To request accommodations for the CDL written test, you will need to contact the DMV and provide documentation of your disability. The DMV will review your request and determine what accommodations are appropriate based on your needs.
Some examples of accommodations that the DMV may provide include:
- Extended time to complete the written test
- Large-print test materials
- Braille or audio versions of the test
- A sign language interpreter or other communication assistance
It is important to make your request for accommodations well in advance of your scheduled test date, in order to allow the DMV sufficient time to make arrangements. Additionally, it is important to note that any accommodations provided must not fundamentally alter the nature of the test or give you an unfair advantage over other CDL applicants.
To request accommodations for the CDL written test, you will need to contact the DMV and provide documentation of your disability. The DMV will review your request and determine what accommodations are appropriate based on your needs.
Some examples of accommodations that the DMV may provide include:
- Extended time to complete the written test
- Large-print test materials
- Braille or audio versions of the test
- A sign language interpreter or other communication assistance
It is important to make your request for accommodations well in advance of your scheduled test date, in order to allow the DMV sufficient time to make arrangements. Additionally, it is important to note that any accommodations provided must not fundamentally alter the nature of the test or give you an unfair advantage over other CDL applicants.
If you fail the Class A Commercial Driver's License (CDL) written test in Nebraska, you may retake the test. However, there are certain requirements and waiting periods that you must meet before you can retake the test.
If you fail the written test, you will be given a score report that shows which sections of the test you passed and which ones you failed. You must wait at least one business day before you can retake the test. If you fail the test three times, you must wait at least seven days before you can take it again.
Additionally, if you fail the written test, you may be required to pay a fee to retake it. The fee varies depending on the type of CDL and the number of times you have attempted the test.
It is important to note that while there is no limit to the number of times you can take the CDL written test in Nebraska, if you fail it multiple times, it may indicate that you need additional preparation or study before attempting it again. There are many resources available to help prepare for the CDL written test, including study guides, online practice tests, and training courses.
If you fail the written test, you will be given a score report that shows which sections of the test you passed and which ones you failed. You must wait at least one business day before you can retake the test. If you fail the test three times, you must wait at least seven days before you can take it again.
Additionally, if you fail the written test, you may be required to pay a fee to retake it. The fee varies depending on the type of CDL and the number of times you have attempted the test.
It is important to note that while there is no limit to the number of times you can take the CDL written test in Nebraska, if you fail it multiple times, it may indicate that you need additional preparation or study before attempting it again. There are many resources available to help prepare for the CDL written test, including study guides, online practice tests, and training courses.
