Knowledge Test Class A #2

FREE Nevada CDL Practice Test 2024 - DMV Practice Test

This practice exam's 50 multiple-choice questions will allow you to put your newly acquired knowledge of state legislation, safe driving practices, commercial vehicle operation skills, emergency readiness, and other topics to the test. Read the explanations that accompany each question to acquire more knowledge so that you can correctly answer questions about the subject matter on your CDL written exam, and be prepared to practice until you feel comfortable and achieve a passing..

This practice exam's 50 multiple-choice questions will allow you to put your newly acquired knowledge of state legislation, safe driving practices, commercial vehicle operation skills, emergency readiness, and other topics to the test. Read the explanations that accompany each question to acquire more knowledge so that you can correctly answer questions about the subject matter on your CDL written exam, and be prepared to practice until you feel comfortable and achieve a passing score.

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1 . Multi-speed axles and auxiliary transmissions are used:

To make a vehicle less noisy. On many vehicles, multi-speed rear axles and auxiliary transmissions are used to provide extra gears. They are usually controlled by a selector knob on the gearshift lever.

2 . Air brakes use ____ to function.

Air brakes function through the use of compressed air.

3 . A low air pressure warning signal should activate:

In an air brake system, a low air pressure warning signal must come on if air pressure in the tanks falls below 55 psi. This warning signal may come in the form of a light, a buzzer, or a wig wag.

4 . Which of the following is not an example of a distracted person that motorists should be worried about?

A person sitting on a bench waiting for a bus You should be cautious when you are near people who are not paying attention to the road. Be wary of drivers who are engaged in conversation with passengers, children near the road, and road workers.

5 . It is illegal to operate a CMV with a minimum blood alcohol content (BAC) of:

0.08 percent. Operating a CMV with a minimum blood alcohol content (BAC) of 0.04 percent is illegal and will result in loss of license for at least one year for a first offense. If you operate a CMV with any detectable amount of alcohol in your system while remaining below the legal limit of 0.04 percent, you will be put out-of-service for at least 24 hours.

6 . You should not use the parking brake:

If your vehicle's other braking systems seem to be working adequately. A parking brake should not be used if the vehicle's brakes are very hot from use on a steep downgrade or if the brakes are very wet and temperatures are freezing. Using the parking brake when brakes are hot could cause damage to the brakes, and using the brakes when they are wet in freezing weather may cause the brakes to ice up, rendering the vehicle immobile.

7 . If you are being tailgated, you should:

Allow the vehicle to pass. If you are being tailgated, it is best to allow more room to open up in front of your vehicle. This will help you avoid the need for sudden stops, which could result in the tailgater rear-ending you, and will make it easier for the tailgater to pass. Speeding up may only make things more dangerous by prompting the other driver to continue tailgating you at a higher speed.

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