Knowledge Test Class A #2

FREE Arizona CDL Practice Test 2024 - DMV Practice Test

Your knowledge on topics including shifting tactics, railroad crossing safety, drunk driving rules, and more will be expanded by answering 50 multiple-choice questions, allowing you to become a safer driver and pass your CDL exam. Each question is based on those in the Arizona Commercial Driver License Manual and includes a hint and an explanation to help you understand the subject and answer subsequent questions..

Your knowledge on topics including shifting tactics, railroad crossing safety, drunk driving rules, and more will be expanded by answering 50 multiple-choice questions, allowing you to become a safer driver and pass your CDL exam. Each question is based on those in the Arizona Commercial Driver License Manual and includes a hint and an explanation to help you understand the subject and answer subsequent questions correctly. Practice until you're confident in your ability to pass the real exam.

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1 . 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.

2 . A bridge formula:

Maximum axle weights are often set by a bridge formula, which sets a lower maximum weight for axles that are close together.

3 . How many daily hours of sleep does an adult need to maintain alertness?

Four to five Being properly rested is essential to the safe operation of a CMV. To maintain alertness, most people need eight to nine hours of sleep per night.

4 . If mirrors are dirty before starting a trip:

During a pre-trip inspection, be sure to check the mirrors and windshield for dirt and anything else that could interfere with your ability to see. Clean them as necessary.

5 . A low air pressure warning signal should activate:

When tank pressure falls below 5 psi. In an air brake system, a low air pressure warning signal must come on if air pressure in the tanks falls below 60 psi. This warning signal may come in the form of a light, a buzzer, or a wig wag.

6 . When drivers turn, they usually:

When turning, drivers usually look in the direction of their turn. If a driver fails to signal before a turn or lane change, their body movements may still provide a clue that they are planning to turn.

7 . When driving under wet conditions, a lack of spray coming from the tires of other vehicles indicates that:

In wet conditions, a lack of spray coming from the tires of other vehicles indicates that ice has formed on the road. Be especially cautious when traveling under wet conditions in freezing weather.

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