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 Oklahoma 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 50

Passing Score 40

1. A Class 1 hazardous material is:

An explosive.

Liquid.

Corrosive.

Explosives are placed in hazardous materials Class 1.

2. When stopping, you should:

Press down the brake pedal quickly.

Press down the brake pedal gradually.

Lift up the brake pedal quickly.

When stopping, press down the brake pedal smoothly and gradually.

3. One way to prevent fatigue on long trips is to:

Take frequent breaks.

Text while driving.

Drink caffeine.

To avoid becoming fatigued on a long trip, you should take a break after every 100 miles or two hours of driving. Driving through the night, or during any other time when you would normally be asleep, raises the danger of fatigue.

4. One way to avoid becoming an aggressive driver is to:

Talk on your cell phone while driving.

Question others' driving abilities.

Set realistic expectations regarding travel time.

To help avoid frustration, which can lead to aggressive driving behavior, you should begin a trip with realistic expectations about your travel time. Plan ahead to allow time for potential traffic delays. Other strategies to help prevent aggressive driving behavior include driving an appropriate speed and keeping a reasonable following distance; avoiding making gestures at other drivers; and keeping your hands on the steering wheel.

5. Which of the following is not a type of tie-down equipment?

Ropes

Straps

Velcro

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.

6. Distracted driving:

Is caused only by physical distractions.

Will be increased by pre-programming radio stations.

Can be prevented by avoiding conversation with others.

Distractions while driving can be physical (such as reaching for an object), mental (such as making conversation with a passenger), or both (such as holding a phone to send texts). Strategies to help you avoid distracted driving include pre-programming radio stations; planning out your route in advance; avoiding complex or emotionally taxing conversation while driving; adjusting your mirrors before setting out; and not eating, drinking, or smoking while behind the wheel.

7. 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.

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