AIR BRAKES PRACTICE TEST - MINNESOTA
21.
When the air system is fully-charged, the air loss rate for a single vehicle with the engine off should be less than:
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2 psi in one minute.
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2 psi in 30 seconds.
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3 psi in one minute.
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4 psi in one minute.
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22.
If your ABS malfunctions:
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you should immediately come to a complete stop.
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you still have normal brake functions.
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the service brake will not work.
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the parking brakes will not work.
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23.
Perception Distance + Reaction Distance + Brake Lag Distance + Braking Distance = ?
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Total Air Pressure
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Total Stopping Distance
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Stopping Distance - (minus) Brake Fade Distance
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Partial Stopping Distance
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24.
The air compressor governor controls:
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the air pressure applied to the brakes.
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the speed of the air compressor.
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when air tank pressure falls below the “cut-out” level.
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when the air compressor will pump air into the air storage tanks.
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25.
Before driving a vehicle with a dual brake brake system, the driver should:
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allow time for the air compressor to build up a minimum of 100 psi pressure in both the primary and secondary systems.
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wait at least 5 minutes before driving.
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pump the brake pedal 10 times to build pressure.
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wait at least 10 minutes before driving.
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