LOUISIANA CDL AIR BRAKES PRACTICE TEST
6.
If you get stuck on railroad tracks, you should:
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have a helper push your vehicle.
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stay in the vehicle and call for help.
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get out of the vehicle and away from the tracks.
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check the engine compartment quickly.
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7.
How can you tell if your vehicle is equipped with ABS?
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Trailers will have yellow ABS malfunction lamps on the left side.
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Look for yellow ABS malfunction lamps on the instrument panel.
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Look under the vehicle for the wheel speed sensor wires coming from the back of the brakes.
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All of the above.
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8.
The s-cam:
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forces the brake shoes away from one another and presses them against the inside of the brake drum.
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pulls the brake shoes away from the drum.
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helps ensure that air flows to all trailers.
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All of the above.
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9.
After starting the engine, oil pressure should rise to a normal level:
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within 2 minutes.
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within seconds.
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within 6 minutes.
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within 3 miles.
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10.
What is an important thing to remember about emergency braking?
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Your natural response (hitting the brakes) is never the right solution.
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The more heavily loaded semitrailer trailer should be in the rear.
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Pushing down on the brake pedal as hard as you can will only keep the wheels locked up and cause a skid.
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You should never use stab braking.
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