AIR BRAKES CDL PRACTICE TEST - MAINE
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The air brakes endorsement applies to applicants who wish to drive a vehicle with air brakes in Class A, B, or C CDL. To drive a vehicle with air brakes, you must pass the air brake component of the Maine CDL knowledge test. The ME CDL air brakes test consists of 25 questions, and you'll need at least 20 correct answers to pass (80%). The test covers the information found in the air brakes section of the Maine CDL Manual. Take this ME CDL practice test now to prepare for the actual air brakes test!
1.
Front brake limiting valves were used to:
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reduce your speed so further braking or shifting is not required.
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prevent overheating of the front tires.
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reduce the chance of the front wheels skidding on slippery surfaces.
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2.
You should NOT use the parking brakes if:
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the brakes are cold.
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the brakes are very hot.
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the brakes are too dry.
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3.
A driver distraction is anything that takes your attention away from driving, such as:
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pedestrians.
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adjusting the radio.
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All of the above.
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4.
The air storage tanks:
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are used to hold compressed air.
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stop the compressor from pumping air.
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are connected to the engine through gears or a v-belt.
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5.
Some air brake systems have an alcohol evaporator to:
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prevent ice from forming in the brake system.
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reduce the danger of slipping.
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reduce the stopping power of the vehicle.
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