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 four possible answer choices. Test questions come from the West Virginia Commercial Driver’s 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

1. When conducting a vehicle inspection, you must show each of the following, except:

Explanation
When checking the oil pressure gauge as part of a vehicle inspection test, you must ensure that it is working. The gauge should show increasing or normal oil pressure, or the oil pressure warning light should turn off. If equipped with one, the oil temperature gauge should begin a gradual rise to the normal operating range.

2. A steering wheel should be held:

Explanation
A steering wheel should be held firmly with both hands, positioned on opposite sides of the wheel.

3. When nearing a construction worker who is close to the road, you should:

Explanation
In work zones, you should drive at the posted speed limits. Reduce your speed even further when workers are on or near the road.

4. An example of mandatory emergency equipment is:

Explanation
Mandatory emergency equipment includes: at least one fire extinguisher; spare electrical fuses (unless the vehicle is equipped with circuit breakers); and warning devices for parked vehicles (such as reflective triangles).

5. During the vehicle inspection test, you will be required to do all of the following, except:

Explanation
As a part of earning your CDL, you will have to pass an inspection test and demonstrate that your vehicle is safe for operation. During the vehicle inspection test, you will have to walk around the vehicle and point to or touch each item and explain to the examiner what you are checking and why. You will not have to crawl under the hood or under the vehicle.

6. What is Gross Vehicle Weight Rating (GVWR)?

Explanation
Gross Vehicle Weight Rating (GVWR) is the value specified by the manufacturer as the loaded weight of a single vehicle.

7. A cargo cover that flaps while you are driving:

Explanation
If cargo is covered, the cover should not flap in the wind in transit. The cover could tear loose, uncovering the cargo while potentially blocking your view or the view of others.
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