LOUISIANA CDL AIR BRAKES PRACTICE TEST
21.
Empty trucks have the best braking. True or False?
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False.
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It depends on the truck.
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It depends on the cargo.
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True.
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22.
If your vehicle is equipped with air brakes, loss of air pressure in the
emergency line causes:
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the trailer emergency brakes to come on.
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the speed of your vehicle to increase.
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the trailer spring brakes to come on.
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All of the above.
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23.
Front wheel braking is good:
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only in good weather.
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under all conditions.
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only in wet conditions.
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Never.
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24.
If you are being tailgated, you should:
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move to the left lane.
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flash your brake lights.
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increase your following distance.
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speed up.
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25.
Which of the following can cause brakes to fade or fail?
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Excessive use of the service brakes
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Not relying on the engine braking effect
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Brakes out of adjustment
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All of the above.
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