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.. 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. Test questions come from the Virginia Commercial Driver License Manual. To pass, applicants must answer 40 questions correctly. Each question has three possible answer choices. Questions come from chapters covering: Introduction, Driving Safely, Transporting Cargo Safely, Air Brakes (if applicable), Combination Vehicles, Pre-Trip Vehicle Inspection Test, Basic Vehicle Control Skills Test and On-Road Driving. Endorsements that may be used with a Class A CDL are: Hazardous materials, Tank, Passenger, Doubles/Triples, HazMat, Tank, Air Brakes and School bus.

Number of Question 50

Passing Score 40

Before you start the test, please answer the question below regarding your insurance status.

Without insurance you will not be able to drive in Virginia

1. During the vehicle inspection test, you will be asked to:

Change a tire.

Explain to the examiner what you are inspecting and why.

Estimate the weight of a load on a trailer.

During the vehicle inspection test, you will be asked to do a complete inspection of your vehicle. You will need to explain what you are inspecting and why.

2. When a vehicle is started, the coolant temperature should:

Decrease.

Rise slowly.

Jump quickly.

After an engine is started, the coolant temperature should rise gradually to a normal operating range.

3. Exhaust system parts should be:

Leaking.

Rubbing against other parts of the vehicle.

Secured tightly.

When inspecting an exhaust system, you should verify that parts of the system are not loose, broken, or missing. The system's parts must be properly mounted and should not be rubbing against moving parts of the vehicle.

4. If one-fourth of the leaves in a leaf spring are missing when a vehicle is inspected:

The vehicle’s driver will be allowed to drive, but only at reduced speeds.

The vehicle will be put out-of-service until it is fixed.

The vehicle will be fine to drive since most of the spring is in place.

When inspecting a vehicle's suspension, you should look for broken or missing leaves in the leaf springs. Any defect of this kind is dangerous. If one-fourth or more of the leaves are missing from any leaf spring, the vehicle must be put out-of-service.

5. When using a fire extinguisher to put out a fire, you should:

Stay as far away as possible from the flames.

Aim at the flames.

Use any extinguisher on every type of fire.

Stay as far away from a fire as possible and aim your fire extinguisher at the source or base of the fire, not at the flames. It may be appropriate to extinguish certain fires with water. If you are unsure of how to treat a specific fire, you should wait for trained firefighters to arrive.

6. To ensure that you do not slow down traffic when driving a large truck, you should:

Switch gears while driving uphill.

Try to pass another vehicle while driving uphill.

Stay in the right lane whenever possible.

If a heavy load prevents your vehicle from keeping up with the speed of other traffic, you should stay in the right lane.

7. Hanging meat:

Should never be transported by trailer.

Can be an unstable load.

Must be approved by the Environmental Protection Agency (EPA).

An operator should drive with care when transporting a cargo of hanging meat. Such a load is unstable, both because it has a high center of gravity and because the swinging of the meat can affect the driver's handling of the vehicle.

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