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 three or four possible answer choices. Test questions come from the Nevada 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 50

Passing Score 40

1. Without engine oil:

A vehicle will get better gas mileage.

An engine can be destroyed quickly.

The ABS won’t work properly.

It is essential that a vehicle's engine have adequate oil pressure. An engine can be destroyed rapidly if it is run without oil.

2. How is the parking brake released?

By tapping on the brake pedal three times

By pushing in the brake control knob

By engaging the accelerator

By tapping the accelerator twice

In newer vehicles with air brakes, the parking brakes are controlled by a diamond-shaped yellow knob. Pull the knob out to activate the parking brakes and push it in to release them.

3. The two markings on a front brake limiting valve usually read:

"Normal" and "slippery."

"Low" and "high."

"Left" and "right."

Some vehicles with air brake systems manufactured before 1975 have a front brake limiting valve with "normal" and "slippery" settings.

4. Sending text messages while driving:

May be done if the messages are short.

Is encouraged.

Is permitted if you are asking a question of your employer.

Is not permitted.

Sending and reading text messages while driving is prohibited.

5. When taking the basic control skills test, drivers are:

Not permitted to stop and exit the vehicle to look at the vehicle’s position.

Encouraged not to exit the vehicle to look at the vehicle’s position.

Allowed to leave the vehicle, but only if the vehicle is placed in reverse.

Allowed to leave the vehicle, but only if the vehicle is placed in neutral and the parking brake is set.

During the basic vehicle control skills test, you must place the vehicle in neutral and set the parking brake before exiting the vehicle to check its position. You may check the position of the vehicle no more than twice, except during the straight line backing exercise, where you may look no more than once.

6. During a pre-trip inspection, belts should be:

Left alone and not inspected.

Checked for tightness.

Inspected, but only about once a month.

When inspecting your vehicle, you should check all belts for tightness and excessive wear.

7. When asked to complete an offset back/left 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/left parking maneuver, you should first pull straight forward, then back up to the left. Your vehicle must be parked completely within the boundaries of the parking space.

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