Instructions

Knowledge Test Class A

This license is required for driving any legal combination of vehicles, with a gross combination weight rating of 26,001 pounds or more, provided the GVWR of a trailer exceeds 10,000 pounds To receive this license, applicants must pass a 50-question test. To pass, applicants must answer 40 questions correctly. Each question has two, three or four possible answer choices. Test questions come from the Utah Commercial Driver License Handbook. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Combination, Doubles and Hazardous Materials. Endorsements that may be used with a Class A CDL are: Hazardous materials, Tank, Passenger, HazMat and Tank, Air Brakes and School bus.

Number of Question 50

Passing Score 40

1. If hydraulic brakes fail, a driver can reduce their speed by:

Shifting into a higher gear.

Shifting into a lower gear.

Finding a hill.

Letting the truck run out of gas.

If your hydraulic bakes fail, shifting into a lower gear can help slow your vehicle down.

2. If another driver is tailgating you, you should:

Move into the left lane.

Speed up.

Increase the space in front of your vehicle.

Flash your lights.

If you are being tailgated, it is advisable to open up the space in front of your vehicle, making it easier for the tailgater to get around you. Speeding up may be counterproductive because the driver may continue to tailgate you at the higher speed, only increasing the danger.

3. While driving a vehicle, if an unusual noise or feeling occurs, the driver should:

Assume it is not a concern and continue driving.

Hope the vehicle makes it until it is switched to another driver.

Check the vehicle to determine the proper solutions.

Drive on the shoulder.

If you see, hear, smell, or feel anything that could indicate trouble while you are driving, you should stop and inspect the source of the unusual occurrence.

4. Which of the following is acceptable?

Dual tires that do not come into contact with each other

Tires of mismatched sizes if used only on short trips

Retreaded tires on the front of a school bus

Tires with cracks

When inspecting a vehicle, you should ensure that dual tires do not come into contact with each other or with other parts of the vehicle. Tire sizes should not be mismatched, and tires should not be cut or damaged in any way. Regrooved, recapped, or retreaded tires are not permitted to be used on the front wheels of a bus.

5. If exiting a bus, a driver must:

Never make contact with the handrail.

Maintain contact with the handrail.

Move quickly.

When exiting 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 vehicle control skills test.

6. Which of the following is not a reason to cover cargo?

To protect people from spilled cargo

To protect the cargo from weather

To keep the cargo a secret

You should cover your cargo to protect people from the cargo if it spills, as well as to protect the cargo from the weather.

7. When asked to complete an offset back/right parking maneuver, you should:

Pull straight forward, then back to the right.

Pull straight forward, then back to the left.

Pull forward to the right, then back in a straight line.

Pull forward to the left, then back in a straight line.

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.

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