Knowledge Test Class A #1

Class A Driving Test | Arizona 2025 #1 Page 3 of 7

Train for FREE online with our Arizona class A license test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a AZ CDL class A permit in 2025, practice as much as.. Read More

Train for FREE online with our Arizona class A license test. The official exam test consists of several obligatory parts, with all of them checking your knowledge of different blocks of road rules. If you need to obtain a AZ CDL class A permit in 2025, practice as much as possible. Free sample tests published on our website will help you check and improve your knowledge and boost your grades. Please bear in mind that CDL class A requirements may vary from state to state.

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15 . A danger of swerving to avoid a hazard while driving a large truck is that:

While swerving can sometimes be the safest way to handle a hazard on the roadway, doing so is not without risk. Top-heavy vehicles and tractors with multiple trailers may flip over in a swerve.

16 . If your vehicle has air brakes, you must have ____ endorsement to operate the vehicle.

You must obtain an air brakes endorsement if you plan to operate a vehicle equipped with air brakes.

17 . When making a lane change, your turn signal:

You must always properly signal before turning or changing lanes.

18 . A tread depth of ____ should be in every major groove of a tire that is not in the front of a commercial motor vehicle.

For safe operation, a commercial motor vehicle needs a tread depth of 4/32 of an inch in every major groove on the front tires, and a tread depth of 2/32 of an inch on other tires.

19 . During a basic vehicle control skills test, a look is when:

A driver uses a look when they open their door, leave their seated position, and walk to the back of the vehicle to check its position. During the straight line backing exercise, a driver may not exceed one look. During any other exercise, a driver may not exceed two looks.

20 . What do air brakes use to make the brakes work?

Many large CMVs are equipped with air brakes. An air braking system uses compressed air to operate.

21 . One way to prevent fatigue on long trips is to:

To avoid becoming fatigued on a long trip, you should take a break after every 100 miles or two hours of driving. Driving through the night, or during any other time when you would normally be asleep, raises the danger of fatigue.

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