Knowledge Test Class B
This license is required for driving a single vehicle with a GVWR of more than 26,001 pounds, and a trailer not to exceed 10,000 pounds gross vehicle weight rating, or a vehicle designed to transport 24 or more people (including the driver). 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 Hawaii Commercial Driver License Manual. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving.. Endorsements that may be used with a Class B CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.
Number of Question
Passing Score
15. The ____ between an air compressor and reservoir tank prevents air from escaping if the air compressor has a leak.
Explanation
A one-way check valve is required to be between an air compressor and the first main reservoir. This valve prevents air from escaping the system if the air compressor develops a leak.
16. While driving, if you notice anything that affects safety or could lead to mechanical problems, you should:
Explanation
After finishing a day of driving, you may have to complete a written report on the condition of your vehicle. Be sure to mention anything that could affect safety or lead to mechanical breakdown.
17. A Class 1 hazardous material is:
Explanation
The first hazardous materials class includes explosives such as ammunition, dynamite, and fireworks.
18. To check the automatic transmission fluid level in some vehicles, you will have to:
Explanation
In some vehicles, it may be necessary to leave the engine running when checking the automatic transmission fluid level.
19. When loading cargo, it is important to:
Explanation
It is a driver's responsibility to make sure their vehicle is not overloaded. They must be aware of legal weight limits and the maximum weight that their vehicle is rated to carry, including the weight capacity rating of the suspension system.
20. What do air brakes use to make the brakes work?
Explanation
Many large CMVs are equipped with air brakes. An air braking system uses compressed air to operate.
21. You should test the low pressure warning signal by:
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.
Frequently Asked Questions
A Class B Commercial Driver's License (CDL) in Hawaii allows a driver to operate a single vehicle with a weight of 26,001 pounds or more, or a combination of vehicles with a combined weight of 26,001 pounds or more, with the towed vehicle weighing less than 10,000 pounds. Here are the steps to obtain a Class B CDL license in Hawaii:
1. Obtain a Hawaii Commercial Learner's Permit (CLP) by passing the written knowledge test for Class B vehicles.
2. Practice driving with your CLP for at least 14 days.
3. Schedule and pass a skills test with a qualified examiner. The skills test consists of three parts: pre-trip inspection, basic vehicle control, and on-road driving.
4. Complete any additional requirements such as endorsements if needed.
5. Submit the necessary paperwork and fees to the Hawaii Department of Transportation.
It's important to note that before obtaining a Class B CDL license in Hawaii, you must have a valid Hawaii driver's license and be at least 18 years old (21 years old for interstate travel).
1. Obtain a Hawaii Commercial Learner's Permit (CLP) by passing the written knowledge test for Class B vehicles.
2. Practice driving with your CLP for at least 14 days.
3. Schedule and pass a skills test with a qualified examiner. The skills test consists of three parts: pre-trip inspection, basic vehicle control, and on-road driving.
4. Complete any additional requirements such as endorsements if needed.
5. Submit the necessary paperwork and fees to the Hawaii Department of Transportation.
It's important to note that before obtaining a Class B CDL license in Hawaii, you must have a valid Hawaii driver's license and be at least 18 years old (21 years old for interstate travel).
With a Class B CDL license in Hawaii, you can operate a single vehicle with a weight of 26,001 pounds or more, or a combination of vehicles with a combined weight of 26,001 pounds or more, with the towed vehicle weighing less than 10,000 pounds. This could include:
- Straight trucks
- Large buses, such as school buses or passenger buses
- Segmental buses
- Box trucks
- Dump trucks
- Cement mixers
- Garbage trucks
It's important to note that if you need to operate a vehicle that requires additional endorsements, such as a hazardous materials endorsement or passenger endorsement, you must obtain those endorsements in addition to your Class B CDL license.
- Straight trucks
- Large buses, such as school buses or passenger buses
- Segmental buses
- Box trucks
- Dump trucks
- Cement mixers
- Garbage trucks
It's important to note that if you need to operate a vehicle that requires additional endorsements, such as a hazardous materials endorsement or passenger endorsement, you must obtain those endorsements in addition to your Class B CDL license.
To obtain a Class B Commercial Driver's License (CDL) in Hawaii, you must meet the following requirements:
1. Be at least 18 years old (21 years old for interstate travel).
2. Have a valid Hawaii driver's license.
3. Obtain a Hawaii Commercial Learner's Permit (CLP) by passing the written knowledge test for Class B vehicles.
4. Hold your CLP for at least 14 days before taking the skills test.
5. Pass a skills test with a qualified examiner, which includes a pre-trip vehicle inspection, basic vehicle control, and on-road driving test.
6. Submit to a medical examination and obtain a valid medical certificate.
7. Provide proof of your identity and residency in Hawaii.
8. Pay the necessary fees.
It's important to note that if you have a history of certain medical conditions or substance abuse, you may be disqualified from obtaining or renewing your CDL license. Additionally, if you have been convicted of certain offenses, such as driving under the influence (DUI), you may be ineligible to obtain or renew your CDL license.
1. Be at least 18 years old (21 years old for interstate travel).
2. Have a valid Hawaii driver's license.
3. Obtain a Hawaii Commercial Learner's Permit (CLP) by passing the written knowledge test for Class B vehicles.
4. Hold your CLP for at least 14 days before taking the skills test.
5. Pass a skills test with a qualified examiner, which includes a pre-trip vehicle inspection, basic vehicle control, and on-road driving test.
6. Submit to a medical examination and obtain a valid medical certificate.
7. Provide proof of your identity and residency in Hawaii.
8. Pay the necessary fees.
It's important to note that if you have a history of certain medical conditions or substance abuse, you may be disqualified from obtaining or renewing your CDL license. Additionally, if you have been convicted of certain offenses, such as driving under the influence (DUI), you may be ineligible to obtain or renew your CDL license.
In Hawaii, the minimum age requirement for a Class B CDL license is 18 years old. However, if you plan to operate a commercial vehicle across state lines or transport hazardous materials, you must be at least 21 years old. It's important to note that some employers may have their own age requirements for drivers, so it's a good idea to check with potential employers before pursuing your CDL license.
Yes, depending on what you plan to do with your Class B CDL license, you may need additional endorsements. Endorsements are additional qualifications that allow you to operate certain types of commercial vehicles or carry specific types of cargo. The following are the most common endorsements for Class B CDL holders in Hawaii:
1. Passenger Endorsement (P) - allows you to drive a commercial vehicle designed to transport 16 or more passengers, including the driver.
2. School Bus Endorsement (S) - allows you to drive a school bus.
3. Tank Vehicle Endorsement (N) - allows you to drive a commercial vehicle that transports liquids or gases in bulk.
4. Hazardous Materials Endorsement (H) - allows you to transport hazardous materials that require placarding.
5. Combination Tank and Hazardous Materials Endorsement (X) - allows you to transport both hazardous materials and liquids or gases in bulk.
To obtain an endorsement, you must pass additional written knowledge tests and meet specific requirements, such as obtaining a background check and passing a Transportation Security Administration (TSA) security threat assessment for the Hazardous Materials endorsement.
1. Passenger Endorsement (P) - allows you to drive a commercial vehicle designed to transport 16 or more passengers, including the driver.
2. School Bus Endorsement (S) - allows you to drive a school bus.
3. Tank Vehicle Endorsement (N) - allows you to drive a commercial vehicle that transports liquids or gases in bulk.
4. Hazardous Materials Endorsement (H) - allows you to transport hazardous materials that require placarding.
5. Combination Tank and Hazardous Materials Endorsement (X) - allows you to transport both hazardous materials and liquids or gases in bulk.
To obtain an endorsement, you must pass additional written knowledge tests and meet specific requirements, such as obtaining a background check and passing a Transportation Security Administration (TSA) security threat assessment for the Hazardous Materials endorsement.
The Class B CDL skills test is broken down into three parts: pre-trip inspection, basic vehicle control, and on-road driving. Here's a brief overview of each part:
1. Pre-trip Inspection: You will be asked to inspect your vehicle and explain to the examiner what you are checking and why. The inspection covers items such as brakes, steering, lights, tires, and more.
2. Basic Vehicle Control: You will be asked to demonstrate your ability to control the vehicle in various situations, including straight-line backing, alley dock backing, offset backing, and parallel parking.
3. On-road Driving: You will be asked to drive your vehicle on public roads while the examiner evaluates your ability to follow traffic laws and safely operate the vehicle in various situations.
During the skills test, you will be graded on your ability to perform each task safely and correctly. To pass the test, you must not accumulate more than 30 points of errors during the pre-trip inspection or basic vehicle control portions of the test and not commit any critical errors during the on-road driving portion. Critical errors include things like traffic violations or accidents.
1. Pre-trip Inspection: You will be asked to inspect your vehicle and explain to the examiner what you are checking and why. The inspection covers items such as brakes, steering, lights, tires, and more.
2. Basic Vehicle Control: You will be asked to demonstrate your ability to control the vehicle in various situations, including straight-line backing, alley dock backing, offset backing, and parallel parking.
3. On-road Driving: You will be asked to drive your vehicle on public roads while the examiner evaluates your ability to follow traffic laws and safely operate the vehicle in various situations.
During the skills test, you will be graded on your ability to perform each task safely and correctly. To pass the test, you must not accumulate more than 30 points of errors during the pre-trip inspection or basic vehicle control portions of the test and not commit any critical errors during the on-road driving portion. Critical errors include things like traffic violations or accidents.
Yes, there are some restrictions and limitations for drivers with a Class B CDL license in Hawaii. Here are some of the most common ones:
1. Passenger Restrictions: If you have a Class B CDL with a passenger endorsement, you may not transport more than 16 passengers (including the driver) at a time.
2. Weight Restrictions: Depending on the endorsement you hold, there may be weight restrictions on the type of vehicle you can operate. For example, if you have a Class B CDL with a tank vehicle endorsement, you may not operate a tank vehicle that weighs more than 26,000 pounds.
3. No Trailer Restrictions: A Class B CDL does not allow you to tow trailers that weigh more than 10,000 pounds. If you need to tow heavier trailers, you will need to obtain a Class A CDL.
4. Hazardous Materials Restrictions: If you have a hazardous materials endorsement, there may be additional restrictions on the types of materials you can transport and where you can travel.
5. Medical Certificate Requirement: To maintain your Class B CDL, you must pass a medical examination and obtain a valid medical certificate every two years.
It's important to understand and follow all restrictions and limitations associated with your Class B CDL in order to avoid penalties or potentially losing your license.
1. Passenger Restrictions: If you have a Class B CDL with a passenger endorsement, you may not transport more than 16 passengers (including the driver) at a time.
2. Weight Restrictions: Depending on the endorsement you hold, there may be weight restrictions on the type of vehicle you can operate. For example, if you have a Class B CDL with a tank vehicle endorsement, you may not operate a tank vehicle that weighs more than 26,000 pounds.
3. No Trailer Restrictions: A Class B CDL does not allow you to tow trailers that weigh more than 10,000 pounds. If you need to tow heavier trailers, you will need to obtain a Class A CDL.
4. Hazardous Materials Restrictions: If you have a hazardous materials endorsement, there may be additional restrictions on the types of materials you can transport and where you can travel.
5. Medical Certificate Requirement: To maintain your Class B CDL, you must pass a medical examination and obtain a valid medical certificate every two years.
It's important to understand and follow all restrictions and limitations associated with your Class B CDL in order to avoid penalties or potentially losing your license.
Yes, you can take the Class B CDL written test in a language other than English in Hawaii. The Hawaii Department of Transportation allows for the test to be taken in several languages, including Spanish, Tagalog, Japanese, Chinese, and Korean.
However, it's important to note that the skills test (the driving portion of the CDL exam) is only administered in English. So even if you take the written test in another language, you will still need to be proficient in English to pass the skills test and obtain your CDL.
If you do choose to take the written test in a language other than English, be sure to let the licensing examiner know before you start the exam. They will provide you with an appropriate translation or interpreter, if needed.
However, it's important to note that the skills test (the driving portion of the CDL exam) is only administered in English. So even if you take the written test in another language, you will still need to be proficient in English to pass the skills test and obtain your CDL.
If you do choose to take the written test in a language other than English, be sure to let the licensing examiner know before you start the exam. They will provide you with an appropriate translation or interpreter, if needed.
Yes, you can request accommodations for the Class B CDL written test if you have a disability that may affect your ability to take the test. The Hawaii Department of Transportation is committed to providing equal access to individuals with disabilities, in accordance with the Americans with Disabilities Act (ADA).
Some examples of accommodations that may be available include extra time to complete the test, a separate testing room, or a sign language interpreter. To request accommodations, you will need to contact the Hawaii Department of Transportation's CDL office and provide documentation of your disability.
It's important to make your request for accommodations as early as possible, as it may take some time to arrange for the necessary accommodations. The CDL office will work with you to determine what accommodations are appropriate and available.
Some examples of accommodations that may be available include extra time to complete the test, a separate testing room, or a sign language interpreter. To request accommodations, you will need to contact the Hawaii Department of Transportation's CDL office and provide documentation of your disability.
It's important to make your request for accommodations as early as possible, as it may take some time to arrange for the necessary accommodations. The CDL office will work with you to determine what accommodations are appropriate and available.
If you fail the Class B CDL written test in Hawaii, you can retake it. However, there are some restrictions on how soon you can retake the test.
If you fail the written test, you will need to wait at least one business day before you can retake it. If you fail the test three times, you will need to wait at least 30 days before you can take it again.
It's important to note that there may be a fee associated with retaking the test. You should check with the Hawaii Department of Transportation's CDL office to find out what the fee is and what forms of payment are accepted.
When you retake the test, you will be given a different version of the test than the one you took previously. This is to ensure that you have a fair opportunity to pass the test. If you have any questions about retaking the Class B CDL written test in Hawaii, contact the CDL office for more information.
If you fail the written test, you will need to wait at least one business day before you can retake it. If you fail the test three times, you will need to wait at least 30 days before you can take it again.
It's important to note that there may be a fee associated with retaking the test. You should check with the Hawaii Department of Transportation's CDL office to find out what the fee is and what forms of payment are accepted.
When you retake the test, you will be given a different version of the test than the one you took previously. This is to ensure that you have a fair opportunity to pass the test. If you have any questions about retaking the Class B CDL written test in Hawaii, contact the CDL office for more information.
