20 Tests

CDL Class B Driving Test Online | Arizona 2021

Train for FREE online with our Arizona class B 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 B permit in 2021, practice as much as.. Read More

Train for FREE online with our Arizona class B 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 B permit in 2021, 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 B requirements may vary from state to state.

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1 . A driver should:

Always signal before turning or changing lanes to ensure that other drivers are aware of your intentions.

2 . Texting while operating a CMV is:

Texting and driving is dangerous for everyone on the road. It is illegal to text while operating a CMV.

3 . When entering traffic, a large vehicle usually needs:

A large vehicle requires more space when entering or crossing traffic than a smaller vehicle. This is not only because the vehicle itself is larger, but also because it needs a longer distance to accelerate.

4 . Eating while driving:

Eating while driving can be a dangerous distraction to the driver both because it diverts their attention away from the task at hand and requires them to remove a hand from the steering wheel.

5 . The ____ between an air compressor and reservoir tank prevents air from escaping if the air compressor has a leak.

A one-way check valve is required to be between an air compressor and the first main reservoir. This valve prevents air from escaping the system if the air compressor develops a leak.

6 . When traveling long distances, you should:

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.

7 . Friction in an S-cam brake is caused when the brake shoes and linings:

Friction inside a brake drum is caused when the brake shoes and linings push against the inside of the drum. The friction in the drums will slow and stop the vehicle.

Wait, before you go

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