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 State of Delaware 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.
8. What kind of force must emergency brakes use?
Because air pressure can eventually leak away, the emergency brakes in an air brake system must be held on by mechanical force.
9. Failing to drain the tanks in an air brake system can result in:
In an air brake system, the air storage tanks must be drained to remove accumulated water and compressor oil. Failing to do this can cause damage. For example, water that has built up in the system could freeze in cold weather and cause brake failure.
10. An Anti-Lock Braking System (ABS):
ABS increases a driver's control during braking. It will not necessarily change the distance needed for a vehicle to come to a complete stop.
11. When entering traffic on an expressway during the skills test, you should:
During the on-road driving skills test, you may be asked to enter an expressway. Before doing so, you must check traffic, use proper signals, and merge smoothly into the proper lane.
12. Which of the following is not a cause of hydraulic brake failure?
Most cases of hydraulic brake failure come from one of two causes. The brakes may fail due to a loss of hydraulic pressure or due to overuse on long hills, causing the brakes to fade.
13. When encountering fog, you will be safest if you:
Fog can quickly deteriorate drivers' ability to see the road, other drivers, and other hazards. Avoid driving in fog if at all possible.
14. Eating while driving:
To reduce the chances of driving distracted, you should avoid eating, drinking, or smoking while driving. Anything that diverts attention from the task of driving is a distraction.
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Frequently Asked Questions
To obtain a Class A CDL in Delaware, you will need to follow these steps:
1. Obtain a valid Delaware driver's license: Before you can apply for a CDL, you'll need to have a valid driver's license in the state of Delaware.
2. Meet the age requirements: To apply for a Class A CDL in Delaware, you must be at least 18 years old. However, if you plan on transporting hazardous materials, you must be at least 21 years old.
3. Obtain a commercial learner's permit (CLP): You'll need to obtain a CLP before you can take the skills test required for your CDL. To get your CLP, you'll need to pass the general knowledge test and any additional tests required for any endorsements you plan on obtaining.
4. Pass the skills test: Once you've obtained your CLP and practiced driving with a qualified CDL holder, you'll need to pass the skills test. This consists of three parts: pre-trip inspection, basic vehicle control, and on-road driving.
5. Obtain endorsements (optional): Depending on what type of vehicle you plan on driving, you may need to obtain additional endorsements on your CDL. Common endorsements include hazardous materials (H), tanker (T), and double/triple trailers (X).
6. Pay the fees: Finally, you'll need to pay the required fees to obtain your CDL in Delaware.
It's important to note that obtaining a CDL also requires passing a medical exam and meeting certain physical requirements.
You can also operate Class B and C vehicles with a Class A CDL. Class B vehicles include single vehicles with a weight of 26,001 pounds or more and towing vehicles with a weight of up to 10,000 pounds. Class C vehicles include single vehicles with a weight of less than 26,001 pounds that are designed to transport 16 or more passengers (including the driver) or hazardous materials.
It's important to note that you may need to obtain additional endorsements on your CDL to operate certain types of vehicles. For example, if you plan on transporting hazardous materials, you'll need to obtain an H endorsement. If you plan on driving tanker trucks, you'll need to obtain a T endorsement. And if you plan on driving double/triple trailers, you'll need to obtain an X endorsement.
1. Age: You must be at least 18 years old to operate a commercial vehicle within the state. However, you must be at least 21 years old to transport hazardous materials or operate a commercial vehicle outside of Delaware.
2. Valid driver's license: You must have a valid driver's license from Delaware or another state.
3. Medical requirements: You must pass a medical examination and obtain a Medical Examiner's Certificate, which verifies that you meet the physical and medical requirements to operate a commercial vehicle.
4. Commercial learner's permit (CLP): Before you can take the skills test required for your CDL, you must obtain a CLP by passing the general knowledge test and any additional tests required for any endorsements you plan on obtaining.
5. Skills test: You must pass the skills test, which includes pre-trip inspection, basic vehicle control, and on-road driving tests.
6. Background check: You will be subject to a criminal background check to ensure that you have not been convicted of certain crimes that would disqualify you from obtaining a CDL.
7. Fees: You will need to pay the required fees to obtain your CDL in Delaware.
In addition to these requirements, you may need to obtain additional endorsements on your CDL to operate certain types of vehicles or transport certain types of materials. These endorsements require additional testing and training.
If you are between the ages of 18 and 20, you may only operate a commercial vehicle within Delaware and you may not transport hazardous materials. Additionally, you may not operate a commercial vehicle that requires an air brake endorsement.
If you are between the ages of 21 and 24, you may operate a commercial vehicle outside of Delaware but only within the state in which you are licensed. You may not transport hazardous materials or passengers.
If you are 21 years old or older, there are no restrictions on where or what type of commercial vehicle you can operate with a Class A CDL in Delaware. However, certain types of vehicles or cargo may require additional endorsements on your CDL.
1. T endorsement (double/triple trailers): Required if you will be driving a combination of two or three trailers.
2. P endorsement (passenger): Required if you will be transporting passengers.
3. N endorsement (tanker): Required if you will be transporting liquid or gaseous materials in bulk containers with a capacity of 1,000 gallons or more.
4. H endorsement (hazardous materials): Required if you will be transporting hazardous materials as defined by federal law.
5. X endorsement (combination of tank vehicle and hazardous materials): Required if you will be transporting hazardous materials in a tank vehicle.
To obtain an endorsement, you must pass a written knowledge test and, in some cases, a skills test. Endorsements may also require additional training or background checks.
It is important to note that not all endorsements are available for all CDL classes and types of vehicles. Therefore, it is important to determine which endorsements are required for the type of vehicle and cargo you will be transporting.
1. Pre-trip inspection: You will be asked to do a pre-trip inspection to ensure your vehicle is safe to operate. You will be required to identify and explain the function of various parts of the vehicle, such as brakes, lights, engine components, and safety equipment.
2. Basic vehicle control: You will be required to demonstrate your ability to control the vehicle in a controlled environment. This includes backing up, turning, and parking.
3. On-road driving: You will be required to demonstrate your ability to drive the vehicle safely on public roads while following traffic laws and signals. During this part of the test, you will be evaluated on your ability to merge, change lanes, make turns, and navigate various traffic situations.
It is important to note that the skills test must be conducted in a vehicle that is representative of the Class A CDL license you are applying for. For example, if you are applying for a Class A CDL with a tanker endorsement, you must take the skills test in a vehicle with a tanker trailer.
Additionally, the skills test is typically conducted by an authorized examiner who is certified by the state of Delaware. The examiner will evaluate your performance during each part of the test and provide feedback on areas that need improvement.
1. Age: To obtain a Class A CDL license, you must be at least 18 years old. However, there are restrictions on the types of vehicles and cargo you can transport if you are under 21 years old.
2. Endorsements: As mentioned before, you may need to obtain endorsements on your Class A CDL license to operate certain types of vehicles or transport certain types of cargo.
3. Hours of Service: Federal regulations limit the number of hours that a driver can be on duty or driving per day and per week. These regulations are designed to prevent driver fatigue, which can lead to accidents.
4. Medical Certification: Drivers must pass a medical examination conducted by a certified medical examiner to ensure they meet certain physical requirements for operating a commercial vehicle.
5. Vehicle Weight: Drivers with a Class A CDL license are limited in the weight of the vehicle they can operate. This limit varies by state and depends on the type of vehicle being operated.
6. Automatic Transmission: If you take your skills test in a vehicle with an automatic transmission, you will be restricted from driving vehicles with manual transmissions.
It is important for drivers to understand these restrictions and limitations to avoid violations that could result in fines or suspension of their CDL license.
To request accommodations, you will need to provide documentation of your disability to the DMV. This documentation must be from a qualified professional such as a doctor or psychologist and should include information about your disability and how it affects your ability to take the test. You will also need to complete a Request for Testing Accommodations form, which is available on the DMV website.
Once you submit your request and documentation, the DMV will review your request and determine what accommodations are appropriate. They may contact you for additional information or to schedule a meeting to discuss your needs. It is important to submit your request well in advance of your scheduled test date to allow time for the DMV to review your request and make any necessary arrangements.
You should also note that you are allowed a limited number of attempts to pass the written test, depending on your age. If you are 18-21 years old, you are allowed three attempts within a 12-month period. If you are 22 years or older, you are allowed two attempts within a 12-month period. If you fail the test on your final attempt, you will need to wait six months before attempting to take it again.
It is important to remember that passing the written test is just one step in obtaining a Class A CDL. You will also need to pass a skills test, which includes a pre-trip inspection, basic control skills, and an on-road driving test. It is recommended that you complete a training program and practice driving with a qualified instructor before attempting these tests.