CDL AIR BRAKES PRACTICE TEST - NEW MEXICO
21.
Do NOT use the parking brakes:
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when you park for less than two hours.
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when you leave your vehicle.
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if the brakes are very hot.
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22.
The ABS malfunction lamp on the instrument panel is:
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Yellow
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Orange
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Red
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23.
In a vehicle with a dual air brake system:
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one system supplies air to the trailer.
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both systems typically operate the regular brakes on the rear axle.
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each system has its own air tanks.
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24.
The air storage tanks:
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are connected to the engine through gears or a v-belt.
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stop the compressor from pumping air.
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are used to hold compressed air.
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25.
If you are being tailgated, you should:
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move to the left lane.
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speed up.
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increase your following distance.
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