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.. Read More

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

1. When completing an offset back/right parking maneuver, you should:

Explanation
If you are asked to complete an offset back/right parking maneuver, you should first pull straight forward, then back up to the right. Your vehicle must be parked completely within the boundaries of the parking space.

2. When starting from a stop:

Explanation
To avoid hitting anything behind you, make sure that your vehicle does not roll back when you start from a complete stop.

3. When exiting a vehicle, it is important to maintain ____ with your vehicle at all times.

Explanation
As you exit your vehicle during the basic vehicle control skills test, you must face the vehicle and maintain three points of contact at all times. If your testing vehicle is a bus, you must maintain contact with the handrail. Exiting the vehicle incorrectly may result in automatic failure of the basic control skills test.

4. Rust around wheel nuts may mean:

Explanation
It is important to inspect your tires before every drive. Rust around wheel nuts may indicate that they are loose.

5. Some air brake systems introduce alcohol into the system to:

Explanation
Some air brake systems contain an alcohol evaporator. An evaporator introduces alcohol into the system to help inhibit the formation of ice in cold weather.

6. When driving, it is important that you:

Explanation
When driving, you should continually scan the road for possible hazards. Form plans about what you will do if the hazards develop into emergencies.

7. One way to prevent drowsiness while driving is to:

Explanation
Driving while fatigued can be extremely dangerous. Strategies for preventing drowsiness while driving include getting a full night's sleep before a trip; having someone ride with you; scheduling trips for times during which you are normally awake; and avoiding medications that may cause drowsiness. Exercising regularly can increase your energy levels and make you less likely to become tired while driving.
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