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.. Read More

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 three possible answer choices. Test questions come from the Rhode Island Commercial Driver License Manual. 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
Passing Score

8. Dual tires should:

Explanation
When inspecting a vehicle, you should verify that your dual tires do not come into contact with one another, or with any other part of the vehicle.

9. Wheels with welding repairs are:

Explanation
Wheels or rims that have had welding repairs are not safe for use. They should be replaced before the vehicle is taken on the road.

10. Shortly after a tire has been changed, you should:

Explanation
After a tire has been changed, you should stop a short while later to recheck the tightness of the lug nuts.

11. Blocking is used to:

Explanation
Blocking may be used on all sides of a piece of cargo to keep it from sliding while the vehicle is in motion.

12. Of the following, which is the most slippery surface?

Explanation
Ice becomes wet when the weather is just warm enough to melt the ice slightly. Wet ice is much more slippery than ice that is not wet.

13. When driving a truck requiring a CDL:

Explanation
You must be properly restrained by a safety belt at all times when driving a commercial motor vehicle.

14. When taking the basic vehicle control skills test, failing to exit your vehicle properly during any exercise will result in:

Explanation
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 control skills test.
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