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Mississippi CDL Permit Test - Knowledge Test Class B

Number of questions: 50
Passing score: 40
Directions: 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 or four possible answer choices. Test questions come from the Mississippi Professional 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.
You have made error so far
Passing grade —
10 or fewer errors

If you’re not sure how to handle a fire, you should:

Use water.
Stay inside the vehicle.
Wait for the firefighters.
Keep the vehicle running.

When starting the engine of a truck with a trailer, you can tell that your vehicle's ABS is not working if:

The yellow light on the left rear of the trailer stays on.
The red light on the right side of the trailer flashes three times.
All the rear lights flash and then turn off.

What is removed when an air tank is drained?

Water and oil
Liquid cleaners

When doing a pre-trip inspection, you should:

Always go through the steps in the same order.
Be as quick as possible.
Not worry about small mechanical issues.

When stopped on the side of the road, the driver should:

Keep their side door open.
Turn on their emergency flashers.
Wave their arms.
Turn off all their lights.

Parked delivery trucks may be hazardous because:

The trucks are often shiny.
People are often in a hurry when exiting such trucks and may not look for other vehicles.
Packages often fall out of the trucks and into the road.

The maximum amount of play that is safe on a 20-inch steering wheel is:

One-quarter of an inch.
Two inches.
10 inches.
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