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 Idaho Commercial Driver’s 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. People working on a disabled vehicle:
Explanation
Be cautious when driving near people who are working on a disabled vehicle on the side of the road. They may be focused on the repair and not paying attention to nearby traffic.
2. Which of the following is not a type of tie-down equipment?
Explanation
You must use the proper number of tie-downs when securing cargo on a flatbed trailer. Examples of tie-down equipment includes ropes, straps, and chains.
3. Vehicles driving behind a truck:
Explanation
Your truck may block the views of drivers behind you, making them unaware of any upcoming hazards that require you to stop. For this reason, it is a good idea to flash your brakes and warn other drivers before slowing or stopping.
4. If you are driving and the ABS light comes on, it means that the ABS:
Explanation
ABS malfunction lamps indicate that something in the Anti-Lock Braking System is not working properly.
5. You must have an air brake endorsement:
Explanation
You must take an air brakes knowledge test to become licensed to operate a vehicle that is equipped with air brakes, including an air over hydraulic braking system.
6. If the coolant temperature gauge goes above the highest safe temperature, you should:
Explanation
If the coolant temperature gauge goes above the highest safe temperature, you should stop driving as soon as possible and try to figure out what is wrong. There could be an issue in your vehicle that could lead to engine failure and possibly a fire.
7. Drowsy driving is most common during:
Explanation
Drowsy driving is most common during the night because people are naturally prone to be less alert in the hours during which they are normally asleep. If you must drive at night, take every precaution to prevent fatigued driving.
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Frequently Asked Questions
In Idaho, a Class A Commercial Driver's License (CDL) is required to operate a combination of vehicles with a gross combination weight rating (GCWR) of 26,001 pounds or more. This includes towing a trailer or other vehicles with a weight rating of more than 10,000 pounds.
To obtain a Class A CDL in Idaho, you need to follow these steps:
1. Obtain a commercial learner's permit (CLP) by passing the knowledge test for the Class A CDL. You can apply for the CLP at any Idaho DMV office.
2. Practice driving with the CLP and any applicable endorsements, such as air brakes or hazardous materials.
3. Schedule a skills test appointment at an approved testing location.
4. Pass the pre-trip inspection, basic controls, and road test portions of the CDL skills test.
5. Once you pass the skills test, take your test results to any Idaho DMV office to obtain your Class A CDL.
It's important to note that there are additional requirements for obtaining a CDL in Idaho, such as meeting age and medical requirements, providing proof of identity and residency, and passing a federal background check. You can find more information on these requirements on the Idaho DMV website.
To obtain a Class A CDL in Idaho, you need to follow these steps:
1. Obtain a commercial learner's permit (CLP) by passing the knowledge test for the Class A CDL. You can apply for the CLP at any Idaho DMV office.
2. Practice driving with the CLP and any applicable endorsements, such as air brakes or hazardous materials.
3. Schedule a skills test appointment at an approved testing location.
4. Pass the pre-trip inspection, basic controls, and road test portions of the CDL skills test.
5. Once you pass the skills test, take your test results to any Idaho DMV office to obtain your Class A CDL.
It's important to note that there are additional requirements for obtaining a CDL in Idaho, such as meeting age and medical requirements, providing proof of identity and residency, and passing a federal background check. You can find more information on these requirements on the Idaho DMV website.
With a Class A CDL license in Idaho, you can operate combination vehicles with a gross combination weight rating (GCWR) of 26,001 pounds or more. A combination vehicle is defined as a vehicle with a towing unit (such as a tractor) and one or more trailers or semitrailers.
Some examples of vehicles that you can operate with a Class A CDL license include:
- Tractor-trailers (also known as semis or big rigs)
- Tanker trucks
- Livestock carriers
- Flatbed trucks with trailers
- Double or triple trailers
- Combination vehicles towing other vehicles with a weight rating of over 10,000 pounds
It's important to note that you may need additional endorsements on your CDL to operate certain types of vehicles, such as those carrying hazardous materials or passengers. Additionally, certain employers may have their own requirements for the types of vehicles their drivers can operate.
Some examples of vehicles that you can operate with a Class A CDL license include:
- Tractor-trailers (also known as semis or big rigs)
- Tanker trucks
- Livestock carriers
- Flatbed trucks with trailers
- Double or triple trailers
- Combination vehicles towing other vehicles with a weight rating of over 10,000 pounds
It's important to note that you may need additional endorsements on your CDL to operate certain types of vehicles, such as those carrying hazardous materials or passengers. Additionally, certain employers may have their own requirements for the types of vehicles their drivers can operate.
To obtain a Class A Commercial Driver's License (CDL) in Idaho, you must meet the following requirements:
1. Age: You must be at least 18 years old to obtain a Class A CDL, but you cannot drive outside of Idaho or transport hazardous materials until you are at least 21 years old.
2. Medical Certification: You must provide a valid medical examiner's certificate or pass a medical examination to ensure that you meet the physical requirements for operating a commercial motor vehicle.
3. Knowledge Test: You must pass a knowledge test for the Class A CDL and any applicable endorsements (such as air brakes or hazardous materials).
4. Commercial Learner's Permit (CLP): You must hold a valid CLP for at least 14 days before taking the CDL skills test.
5. Skills Test: You must pass the pre-trip inspection, basic controls, and road test portions of the CDL skills test.
6. Background Check: You must pass a federal background check that includes fingerprinting and a check of your driving record.
7. Identification and Residency: You must provide proof of identification, residency, and lawful presence in the United States.
It's important to note that there may be additional requirements or restrictions depending on your driving record, criminal history, or other factors. It's recommended that you review the Idaho CDL manual and consult with your local DMV office for more information on obtaining a Class A CDL license in Idaho.
1. Age: You must be at least 18 years old to obtain a Class A CDL, but you cannot drive outside of Idaho or transport hazardous materials until you are at least 21 years old.
2. Medical Certification: You must provide a valid medical examiner's certificate or pass a medical examination to ensure that you meet the physical requirements for operating a commercial motor vehicle.
3. Knowledge Test: You must pass a knowledge test for the Class A CDL and any applicable endorsements (such as air brakes or hazardous materials).
4. Commercial Learner's Permit (CLP): You must hold a valid CLP for at least 14 days before taking the CDL skills test.
5. Skills Test: You must pass the pre-trip inspection, basic controls, and road test portions of the CDL skills test.
6. Background Check: You must pass a federal background check that includes fingerprinting and a check of your driving record.
7. Identification and Residency: You must provide proof of identification, residency, and lawful presence in the United States.
It's important to note that there may be additional requirements or restrictions depending on your driving record, criminal history, or other factors. It's recommended that you review the Idaho CDL manual and consult with your local DMV office for more information on obtaining a Class A CDL license in Idaho.
The minimum age requirement for a Class A Commercial Driver's License (CDL) in Idaho is 18 years old. However, there are restrictions on what type of driving you can do until you turn 21 years old.
If you are 18-20 years old, you may only operate commercial motor vehicles (CMVs) within the state of Idaho. You are not allowed to drive CMVs across state lines or transport hazardous materials.
Once you turn 21 years old, these restrictions are lifted and you can operate CMVs across state lines and transport hazardous materials. It's important to note that some employers may have their own age requirements for hiring drivers, so it's important to check with them as well.
If you are 18-20 years old, you may only operate commercial motor vehicles (CMVs) within the state of Idaho. You are not allowed to drive CMVs across state lines or transport hazardous materials.
Once you turn 21 years old, these restrictions are lifted and you can operate CMVs across state lines and transport hazardous materials. It's important to note that some employers may have their own age requirements for hiring drivers, so it's important to check with them as well.
Yes, you may need endorsements in addition to your Class A Commercial Driver's License (CDL), depending on the type of vehicle you will be driving and the cargo you will be transporting. Here are some common endorsements for a Class A CDL:
1. T-Double/Triple Trailers: This endorsement is required for drivers who will be pulling double or triple trailers.
2. P-Passenger: This endorsement is required for drivers who will be operating vehicles designed to transport 16 or more passengers, including the driver.
3. N-Tank Vehicles: This endorsement is required for drivers who will be transporting liquids or gases in bulk containers.
4. H-Hazardous Materials: This endorsement is required for drivers who will be transporting hazardous materials as defined by federal law.
5. X-Combination of Tank Vehicle and Hazardous Materials: This endorsement is required for drivers who will be transporting both hazardous materials and liquids or gases in bulk containers.
It's important to note that each endorsement requires passing a separate knowledge test and, in some cases, a skills test. Additionally, some endorsements may require additional background checks or other requirements. It's recommended that you consult with your local DMV office and review the Idaho CDL manual to determine which endorsements you may need for your specific driving situation.
1. T-Double/Triple Trailers: This endorsement is required for drivers who will be pulling double or triple trailers.
2. P-Passenger: This endorsement is required for drivers who will be operating vehicles designed to transport 16 or more passengers, including the driver.
3. N-Tank Vehicles: This endorsement is required for drivers who will be transporting liquids or gases in bulk containers.
4. H-Hazardous Materials: This endorsement is required for drivers who will be transporting hazardous materials as defined by federal law.
5. X-Combination of Tank Vehicle and Hazardous Materials: This endorsement is required for drivers who will be transporting both hazardous materials and liquids or gases in bulk containers.
It's important to note that each endorsement requires passing a separate knowledge test and, in some cases, a skills test. Additionally, some endorsements may require additional background checks or other requirements. It's recommended that you consult with your local DMV office and review the Idaho CDL manual to determine which endorsements you may need for your specific driving situation.
The Class A Commercial Driver's License (CDL) skills test is divided into three parts:
1. Pre-Trip Inspection: The first part of the skills test is the pre-trip inspection. This is where you will demonstrate your ability to inspect the vehicle and identify any safety hazards or mechanical defects.
2. Basic Vehicle Control: The second part of the skills test is the basic vehicle control test. This is where you will demonstrate your ability to control the vehicle in a variety of situations, such as backing up, turning, and parking.
3. On-Road Driving: The final part of the skills test is the on-road driving test. This is where you will demonstrate your ability to safely operate the vehicle on public roads while following traffic laws and making appropriate decisions.
It's important to note that each state may have slightly different requirements for the CDL skills test, but these three components are generally standard across all states. Additionally, specific maneuvers and tasks may vary depending on your driving situation and the type of vehicle you will be operating.
It's recommended that you review your state's CDL manual and practice with a qualified instructor or mentor to prepare for the skills test.
1. Pre-Trip Inspection: The first part of the skills test is the pre-trip inspection. This is where you will demonstrate your ability to inspect the vehicle and identify any safety hazards or mechanical defects.
2. Basic Vehicle Control: The second part of the skills test is the basic vehicle control test. This is where you will demonstrate your ability to control the vehicle in a variety of situations, such as backing up, turning, and parking.
3. On-Road Driving: The final part of the skills test is the on-road driving test. This is where you will demonstrate your ability to safely operate the vehicle on public roads while following traffic laws and making appropriate decisions.
It's important to note that each state may have slightly different requirements for the CDL skills test, but these three components are generally standard across all states. Additionally, specific maneuvers and tasks may vary depending on your driving situation and the type of vehicle you will be operating.
It's recommended that you review your state's CDL manual and practice with a qualified instructor or mentor to prepare for the skills test.
Yes, there are some restrictions and limitations for drivers with a Class A Commercial Driver's License (CDL) license. Here are some common restrictions:
1. Air Brake Restriction: If you take the CDL skills test in a vehicle without air brakes, you will be restricted to driving vehicles without air brakes.
2. Lifting Restriction: If you are unable to lift a certain amount of weight, you may be restricted from driving vehicles that exceed that weight.
3. Automatic Transmission Restriction: If you take the CDL skills test in a vehicle with an automatic transmission, you will be restricted to driving vehicles with automatic transmissions.
4. Intrastate Only Restriction: If you only drive within the borders of your state, you may have an intrastate restriction on your CDL.
Additionally, if you have a medical condition that affects your ability to drive safely, you may be required to have a restriction on your CDL. For example, if you wear corrective lenses while driving, your CDL may have a restriction requiring you to wear them at all times while driving.
It's important to note that violating any restrictions on your CDL can result in fines, license suspension or revocation, and other penalties. It's recommended that you review the specific restrictions on your CDL and comply with them at all times while driving.
1. Air Brake Restriction: If you take the CDL skills test in a vehicle without air brakes, you will be restricted to driving vehicles without air brakes.
2. Lifting Restriction: If you are unable to lift a certain amount of weight, you may be restricted from driving vehicles that exceed that weight.
3. Automatic Transmission Restriction: If you take the CDL skills test in a vehicle with an automatic transmission, you will be restricted to driving vehicles with automatic transmissions.
4. Intrastate Only Restriction: If you only drive within the borders of your state, you may have an intrastate restriction on your CDL.
Additionally, if you have a medical condition that affects your ability to drive safely, you may be required to have a restriction on your CDL. For example, if you wear corrective lenses while driving, your CDL may have a restriction requiring you to wear them at all times while driving.
It's important to note that violating any restrictions on your CDL can result in fines, license suspension or revocation, and other penalties. It's recommended that you review the specific restrictions on your CDL and comply with them at all times while driving.
In Idaho, the Class A Commercial Driver's License (CDL) written test is available in English and Spanish. If you are more comfortable taking the test in Spanish, you can request a Spanish version of the test when you apply for your CDL.
However, it's important to note that even though the written test is available in Spanish, you will still need to be able to read and understand English when operating a commercial vehicle. This is because road signs and other important information related to driving are typically in English, especially on the interstate highway system.
If you are not comfortable reading or understanding English, it may be difficult for you to operate a commercial vehicle safely and legally. It's recommended that you improve your English language skills before pursuing a CDL or any other type of driver's license.
However, it's important to note that even though the written test is available in Spanish, you will still need to be able to read and understand English when operating a commercial vehicle. This is because road signs and other important information related to driving are typically in English, especially on the interstate highway system.
If you are not comfortable reading or understanding English, it may be difficult for you to operate a commercial vehicle safely and legally. It's recommended that you improve your English language skills before pursuing a CDL or any other type of driver's license.
Yes, if you have a disability that affects your ability to take the Class A Commercial Driver's License (CDL) written test, you can request accommodations to make the test accessible to you.
The Idaho Transportation Department (ITD) will provide reasonable accommodations to individuals with disabilities that do not fundamentally alter the nature of the test or give an unfair advantage. Examples of accommodations that may be available include extended time, a private testing area, or a reader for test questions.
To request accommodations, you will need to complete and submit an Accommodation Request Form at least 30 days before your scheduled testing date. The form is available on the ITD website or by contacting the ITD Driver's License Unit.
It's important to note that you will need to provide documentation of your disability and how it affects your ability to take the CDL written test. This documentation must be from a qualified professional, such as a doctor or psychologist.
If you have any questions about requesting accommodations for the CDL written test, you can contact the ITD Driver's License Unit for assistance.
The Idaho Transportation Department (ITD) will provide reasonable accommodations to individuals with disabilities that do not fundamentally alter the nature of the test or give an unfair advantage. Examples of accommodations that may be available include extended time, a private testing area, or a reader for test questions.
To request accommodations, you will need to complete and submit an Accommodation Request Form at least 30 days before your scheduled testing date. The form is available on the ITD website or by contacting the ITD Driver's License Unit.
It's important to note that you will need to provide documentation of your disability and how it affects your ability to take the CDL written test. This documentation must be from a qualified professional, such as a doctor or psychologist.
If you have any questions about requesting accommodations for the CDL written test, you can contact the ITD Driver's License Unit for assistance.
Yes, if you fail the Class A Commercial Driver's License (CDL) written test in Idaho, you can retake it. However, you will need to wait at least 24 hours before taking the test again.
If you fail the test three times, you will need to wait at least 30 days before retaking it. If you fail three times again, you will need to wait at least 90 days before retaking it.
It's important to note that there is a fee for each attempt at the CDL written test. If you fail the test multiple times, the cost can add up quickly. It's recommended that you study and prepare thoroughly before taking the test to increase your chances of passing on the first attempt.
If you are having difficulty passing the CDL written test, there are resources available to help you prepare. The Idaho Transportation Department (ITD) offers a Commercial Driver's License Manual that covers all of the material on the test, as well as practice tests that you can take online. Additionally, there are commercial study guides and classes available that can help you prepare for the CDL written test.
If you fail the test three times, you will need to wait at least 30 days before retaking it. If you fail three times again, you will need to wait at least 90 days before retaking it.
It's important to note that there is a fee for each attempt at the CDL written test. If you fail the test multiple times, the cost can add up quickly. It's recommended that you study and prepare thoroughly before taking the test to increase your chances of passing on the first attempt.
If you are having difficulty passing the CDL written test, there are resources available to help you prepare. The Idaho Transportation Department (ITD) offers a Commercial Driver's License Manual that covers all of the material on the test, as well as practice tests that you can take online. Additionally, there are commercial study guides and classes available that can help you prepare for the CDL written test.
