KS CDL AIR BRAKES PRACTICE TEST
16.
Distracted driving may be caused by _________ while driving.
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listening to music
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maintaining constant speed
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eating
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All of the above.
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17.
To avoid becoming a distracted driver you should:
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adjust all vehicle controls and mirrors while driving.
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eat and drink while you drive.
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not engage in complex conversations with others.
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not turn off all communication devices.
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18.
Older trailers do not have spring brakes. If the air supply leaks away:
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the trailer will stop normally.
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there will be no emergency brakes.
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the ABS won't work properly.
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All of the above.
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19.
The air brake lag distance at 55 mph on dry pavement adds about:
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60 feet.
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32 feet.
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16 feet.
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75 feet.
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20.
What should you do to test your vehicle's low air pressure warning signal?
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With the key in the "on" or "battery charge" position, rapidly apply and release the foot brake.
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With the engine running, put the vehicle in a forward gear and attempt to drive forward.
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Pump the brakes until the air pressure drops below 80 psi.
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Release the parking brake valve and the tractor protection valve and reduce the air pressure by stepping on and off the brake pedal.
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