AIR BRAKES PRACTICE TEST - TENNESSEE
21.
The ABS malfunction lamp on the instrument panel is:
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Orange
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Yellow
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Blue
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Red
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22.
Some vehicles have a separate air tank which can be used to:
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unload cargo or passengers.
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hold the vehicle or combination of vehicles stationary.
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turn on the 4-way emergency flashers.
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release the spring brakes.
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23.
The service brake applies and releases:
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the brake when you use the brake pedal during normal driving.
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the parking brake when you use the parking brake control.
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the brake in an emergency situation.
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None of the above.
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24.
In vehicles with air brakes, the air compressor governor:
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controls when the air storage tanks will pump air into the air compressor.
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controls how much air the air compressor will pump into the air storage tanks.
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controls when the air compressor will pump air into the air storage tanks.
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None of the above.
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25.
To use the controlled braking method in an emergency, you should:
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apply the brakes as hard as you can without locking the wheels.
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apply your brakes all the way, and release the brakes when the wheels lock up.
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pump the brake pedal 3 times.
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apply the brakes when the wheels lock up.
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