NORTH CAROLINA CDL AIR BRAKES PRACTICE TEST
6.
ABS malfunction lamps are located:
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on the driver'door.
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on the instrument panel.
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under the hood.
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None of the above.
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7.
When the air pressure is built up to governor cutoff, the air leakage rate for combination vehicles with the engine off and the foot brake fully applied should be less than_____ in one minute.
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5 psi
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2 psi
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4 psi
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3 psi
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8.
To prevent drowsiness you should:
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get adequate sleep before a trip.
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avoid exercise to save more energy.
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schedule trips for the middle of the night.
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never drive with a passenger.
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9.
Perception Distance + Reaction Distance + Brake Lag Distance + Braking Distance = ?
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Partial Stopping Distance
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Total Stopping Distance
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Total Air Pressure
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Stopping Distance - (minus) Brake Fade Distance
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10.
After supplying air to the trailer brake system, you should check the brake system for crossed air lines by:
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checking the air brake system pressure gauge for signs of major air loss.
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shutting the engine off so you can hear the brakes.
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applying and releasing the trailer brakes and listening for the sound of trailer brakes.
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All of the above.
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