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 possible answer choices. Test questions come from the Arizona 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.
1. A fatigued driver:
Fatigued drivers are slower to see or react to hazards than drivers who are not fatigued. Drivers are impaired in their ability to make critical decisions when they are driving drowsy.
2. A ____ allows a driver to gradually apply spring brakes.
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.
3. When driving, mirrors should be used:
It is essential that you are aware of what is surrounding your vehicle at all times. You should make a habit of regularly checking your mirrors while driving.
4. When the spring brakes are on, you should never:
Never push down the brake pedal while the spring brakes are activated. The combined force of springs and air pressure could damage the brakes.
5. Air storage tanks:
In an air brake system, the air storage tanks hold compressed air to be used by the brakes. The number and size of air tanks varies among vehicles.
6. The effects of alcohol are felt:
Alcohol impairment can begin with the first drink consumed. It is both illegal and dangerous to operate a motor vehicle while impaired by alcohol.
7. What is brake lag?
Because air takes time to flow through the air lines to the brakes, air brakes cannot begin working instantly. There is often a brake lag of at least one-half of a second between the moment the brake pedal is pressed and the moment the brakes begin to work.
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Frequently Asked Questions
Here are the steps to obtain a Class A CDL license in Arizona:
1. Obtain a commercial learner's permit (CLP) by passing the written knowledge test at a Motor Vehicle Division (MVD) office. To be eligible for a CLP, you must have a valid driver's license and pass a medical examination.
2. Hold the CLP for at least 14 days before scheduling and taking the skills test.
3. Schedule and take the pre-trip inspection, basic vehicle control, and on-road driving skills tests at an MVD-approved third-party testing facility.
4. Pass all three parts of the skills test to obtain your Class A CDL.
5. Pay the required fees and obtain your new license at an MVD office.
It is important to note that additional endorsements may be required depending on the type of cargo being transported, such as hazardous materials or passengers.
Additionally, you can operate vehicles designed to transport hazardous materials in amounts requiring placarding. This includes vehicles carrying large quantities of flammable or explosive materials.
It's important to note that some employers may have additional requirements or restrictions on the types of vehicles that you can operate with a Class A CDL license. Make sure to check with your employer or potential employers to ensure that you meet all their requirements.
1. Be at least 18 years of age to operate within Arizona or 21 years of age to operate interstate.
2. Hold a valid driver's license.
3. Pass a medical examination and obtain a medical certificate from a certified medical examiner.
4. Obtain a commercial learner's permit (CLP) by passing the written knowledge test at an Motor Vehicle Division (MVD) office.
5. Hold the CLP for at least 14 days before scheduling and taking the skills test.
6. Schedule and take the pre-trip inspection, basic vehicle control, and on-road driving skills tests at an MVD-approved third-party testing facility.
7. Pass all three parts of the skills test to obtain your Class A CDL.
8. Provide proof of residency in Arizona.
9. Pay the required fees for obtaining your CDL license.
It's important to note that additional endorsements may be required depending on the type of cargo being transported, such as hazardous materials or passengers.
1. Hazmat (H) endorsement: required if you plan to transport hazardous materials.
2. Tanker (N) endorsement: required if you plan to transport liquid or gaseous materials in a tank.
3. Doubles/Triples (T) endorsement: required if you plan to tow two or three trailers.
4. Passenger (P) endorsement: required if you plan to transport passengers in a commercial vehicle, such as a bus or shuttle.
To obtain an endorsement, you must pass a written knowledge test that covers the specific requirements for that endorsement. Some endorsements may also require additional skills tests or background checks. You can add endorsements to your Class A CDL license by taking the necessary tests at an Motor Vehicle Division (MVD) office or approved testing facility.
1. Pre-trip Inspection: This involves a thorough inspection of the vehicle to ensure it is safe to operate. You will be asked to identify and explain the function of various parts of the vehicle, such as brakes, steering, tires, lights, and more.
2. Basic Vehicle Control: This involves maneuvering the vehicle in a controlled setting, such as a closed course or parking lot. You will be asked to perform tasks such as straight-line backing, offset backing, and parallel parking.
3. On-Road Driving: This involves driving the vehicle on public roads while being evaluated by an examiner. You will be asked to demonstrate your ability to safely and effectively operate the vehicle in various situations, such as changing lanes, turning, merging onto highways, and more.
Each state has its own specific requirements for the Class A CDL skills test. In Arizona, you must pass all three parts of the test in order to obtain a Class A CDL license. The test is administered by an examiner from an approved testing facility or third-party tester.
1. Age Restrictions: In Arizona, you must be at least 18 years old to obtain a Class A CDL license. However, you cannot operate a commercial vehicle outside the state until you are at least 21 years old.
2. Endorsement Restrictions: As mentioned earlier, drivers may need additional endorsements to operate certain types of vehicles or cargo.
3. Medical Restrictions: Drivers must pass a medical examination every two years to ensure they are physically fit to operate a commercial vehicle.
4. Hours of Service Restrictions: Drivers must follow federal regulations regarding the number of hours they can drive and the amount of rest they must take between shifts.
5. Vehicle Restrictions: Some states may have restrictions on the type of vehicle or trailer that a driver with a Class A CDL license can operate.
It's important for drivers to be aware of these restrictions and limitations and to follow all state and federal regulations when operating a commercial vehicle. Failure to do so can result in fines, loss of license, or even criminal charges in some cases.
If you are not comfortable or proficient with the English language, it's important to seek assistance from a qualified translator or language instructor in order to prepare for the test. You may also want to consider taking an English language course to improve your skills.
Remember that passing the written test is a critical step in obtaining a Class A CDL license, so it's important to be well-prepared and confident when taking the test.
To request accommodations, you will need to contact your local Department of Motor Vehicles (DMV) or Motor Vehicle Division (MVD) and provide documentation of your disability from a qualified medical professional. The DMV or MVD will review your request and work with you to determine what accommodations are necessary to ensure that you can take the test under fair and appropriate conditions.
Examples of accommodations that may be provided include extended time to complete the test, a separate testing room, or assistive technology such as screen readers or magnification software.
It's important to note that accommodations are not guaranteed, and the DMV or MVD may deny your request if they believe that the requested accommodations would fundamentally alter the nature of the test or give you an unfair advantage over other test-takers. However, they will work with you to find appropriate accommodations whenever possible.
It's important to note that you are only allowed a certain number of attempts to pass the written test before you are required to wait a longer period of time before retaking it. In Arizona, you are allowed three attempts to pass the written test within a 12-month period. If you fail the test three times within this timeframe, you must wait at least six months before taking it again.
It's also important to prepare adequately for the written test before taking it for the first time. This means studying the Arizona Commercial Driver License Manual and taking practice tests to ensure that you understand the material and are familiar with the format of the test. The more prepared you are, the more likely you are to pass on your first attempt and avoid having to retake the test multiple times.