Instructions

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 Vermont Commercial Driver’s 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 50

Passing Score 40

1. A driver should ensure that:

The truck is overloaded.

The truck is properly loaded.

The cargo is mostly in the front of the trailer.

It is essential to the safe operation of a CMV that cargo be properly loaded. Improper loading can affect handling and damage the vehicle. Additionally, improperly loaded materials can cause injury or death by falling off of the vehicle.

2. Hanging meat as cargo is usually:

Easy to transport.

Dangerous, due to the possible scent.

Unstable.

An operator should drive with care when transporting a cargo of hanging meat. Such a load is unstable, both because it has a high center of gravity and because the swinging of the meat can affect the driver's handling of the vehicle.

3. Friction in an S-cam brake is caused when the brake shoes and linings:

Press against the outside of the brake drum.

Press against the inside of the brake drum.

Push against each other.

Friction inside a brake drum is caused when the brake shoes and linings push against the inside of the drum. The friction in the drums will slow and stop the vehicle.

4. A Class 1 hazardous material is:

An explosive.

Radioactive.

Corrosive.

The first hazardous materials class includes explosives such as ammunition, dynamite, and fireworks.

5. If you plan to transport hazardous materials, you will:

Need to obtain a hazardous materials endorsement.

Need to drive while using flashing lights.

Need to wear a gas mask.

You must have a hazardous materials endorsement to transport any hazardous materials that require the vehicle to be placarded.

6. To stay alert while driving, you should:

Eat a heavy meal before beginning your trip.

Keep the cab warm.

Ride with a second person who can share driving responsibilities.

Splitting driving responsibilities with a second driver lowers the chance that either of you will drive while fatigued. You can also reduce the risk of fatigue by avoiding heavy foods and keeping the interior of the cab cool.