20 Tests

CDL Class A Driving Test Online | California 2021

Train for FREE online with our California 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 CA CDL class A permit in 2021, practice as much as.. Read More

Train for FREE online with our California 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 CA CDL class A 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 A requirements may vary from state to state.

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1 . You may not consume alcohol within ____ of going on duty.

Commercial vehicle drivers are prohibited from consuming any intoxicating beverage, regardless of its alcohol content, within four hours of going on duty.

2 . If there is a fire in your vehicle, you should not:

In the event of a vehicle fire, you should leave the road and stop in an open area. Do not pull into a service station as fuels at the service station could catch fire. Report the fire and your location to emergency services.

3 . For a truck with three axles, what is the maximum speed limit?

In California, the maximum speed limit for trucks and truck tractors with three or more axles is 55 mph. If a lower maximum speed limit is posted, follow the posted limit.

4 . When adjusting your mirrors before a trip:

When properly adjusted, your mirrors should each display some part of your vehicle. Being able to see your own vehicle in your mirrors will give you a point of reference when judging the positions of other objects.

5 . Operating a commercial motor vehicle with a minimum blood alcohol content (BAC) of ____ is illegal.

In California, it is illegal to operate a commercial motor vehicle with a blood alcohol concentration (BAC) of 0.04 percent or higher. Driving under the influence of alcohol is both illegal and extremely dangerous.

6 . If the low pressure warning signal activates while you are driving, you should:

If the low pressure warning signal activates while you are driving, it is important that you safely exit the roadway as soon as possible and park your vehicle. If the air pressure gets too low, the brakes will no longer work well enough for you to stop safely.

7 . If an air compressor is belt-driven, the belt should be routinely checked to ensure that it is:

If your vehicle has air brakes, the air compressor drive belt should be checked before each drive. Check the tightness of the belt and verify that it is in good condition.

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