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 New Mexico 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. If convicted of a traffic violation in your personal car:

You must tell your employer.

Your CDL will not be affected.

Law enforcement will tell your employer.

If you are convicted of any traffic violations while driving any vehicle, you must notify your employer within 30 days of the conviction. This rule excludes parking violations.

2. When applying your brakes, the vehicle should:

Pull to one side.

Squeak.

Not pull to either side.

Your vehicle pulling to one side or the other while you are braking can indicate trouble with the brakes.

3. When checking power steering hoses during a pre-trip inspection, you should look for:

Leaks.

Secure connections to the battery.

Extra hose pieces available for repairs.

When doing a pre-trip inspection on a vehicle with power steering, be sure to check the hoses, pumps, and fluid level. In particular, you should check the hoses for leaks.

4. Why should part of the vehicle be visible in a properly adjusted side mirror?

It limits the view behind the trailer.

It provides a point of reference for the driver.

It allows the driver to see stickers placed on the side of the trailer.

Side mirrors should be adjusted to display part of your vehicle. This will provide a point of reference when judging the location of nearby objects.

5. You may be an aggressive driver if you:

Expect delays on your drive.

Slow down and maintain a reasonable following distance.

Make hand gestures that could anger other drivers.

Avoid being an aggressive driver by being realistic about your travel time, making allowance for delays, maintaining reasonable following distances, and not making hand gestures that could anger another driver.

6. When traveling down a steep grade, you switch into a lower gear:

Before beginning the grade.

When you have already started the grade.

As far down the grade as possible.

You should shift your vehicle's transmission into a low gear before staring a downhill grade. Be prepared for gravity to increase your vehicle's speed when traveling downhill.