FL CDL AIR BRAKES PRACTICE TEST
21.
The air compressor governor:
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stops the compressor from pumping air.
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allows the compressor to start pumping air when the tank pressure rises to the "cut-out" pressure.
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controls when the air storage tanks will pump air into the air compressor.
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All of the above.
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22.
Which of the following is NOT correct? An ABS system:
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reduces the braking pressure to a safe level.
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helps you stop faster.
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helps you avoid wheel lock up.
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is a safety anti-skid braking system.
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23.
When driving in hot weather, drivers should inspect tires:
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every 4 hours or every 200 miles.
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every 2 hours or every 100 miles.
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every 3 hours or every 75 miles.
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every hour or every 50 miles.
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24.
If the air pressure gets too low:
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the brakes will not work.
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you should set the parking brake.
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the brakes will lock up.
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ABS will help maintain vehicle control.
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25.
Combination vehicles have __ air lines.
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3
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4
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1
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2
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