LOUISIANA CDL AIR BRAKES PRACTICE TEST
11.
If you're feeling tired while driving you should:
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increase your speed to get to your destination quicker.
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drink coffee.
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stop driving and get some rest.
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eat something.
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12.
Which of the following is NOT a way to determine if your trailer is equipped with ABS (antilock braking system)?
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The letters "ABS" are printed on the side of the steering wheel.
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Wheel speed sensor wires are coming from the back of the brakes.
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It has yellow ABS malfunction lamps.
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It was built after March 1, 1998.
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13.
Some air brake systems have an alcohol evaporator. Checking the alcohol container and filling it up as necessary:
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reduces the risk of having an accident due to drowsy driving.
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helps keep the engine cool, as well as lubricating it.
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reduces the risk of ice in air brake valves during cold weather.
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helps you avoid wheel lock up.
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14.
To test the air leakage rate, with a fully-charged air system you should ____________ and time the air pressure drop.
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turn off the engine, release the parking brake
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check the air compressor's drive belt, chock the wheels
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release the parking brake, leave the engine running
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put alcohol into the air system, run the engine at a fast idle
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15.
Air brakes use ________ to make the brakes work.
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compressed gas cylinders
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compressed air
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compressed oil
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compressed gases
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