AIR BRAKES PRACTICE TEST - MARYLAND
11.
If a vehicle is equipped with ABS, when you start the engine:
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the wheels will lock up.
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the spring brakes will come on.
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the trailer emergency brakes will come on.
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the ABS indicator light on the dash should come on and then turn off.
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12.
On any upgrade, gravity:
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slows you down.
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doubles your speed.
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doesn't affect your speed.
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speed you up.
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13.
Air storage tanks:
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use parts of the service brake systems to stop the vehicle in a brake system failure.
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are installed in the first tank the air compressor pumps air to.
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hold compressed air for the brakes.
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pump air into the air storage tanks.
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14.
In vehicles with air brakes, the air compressor governor:
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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 storage tanks will pump air into the air compressor.
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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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15.
To apply the parking brakes:
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push the brake pedal three times.
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pull the parking brake control knob out.
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push the parking brake control knob in.
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place the parking brake control knob in Neutral.
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