AK CDL AIR BRAKES PRACTICE TEST
16.
Air tanks usually hold enough compressed air to allow the brakes to be used _________ even if the compressor stops working.
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for one day
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several times
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for one stop
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17.
If you perform the skills test in a vehicle that is not equipped with air brakes:
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you will be restricted from operating vehicles with air brakes.
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you will be required to take the tank vehicle test.
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you will be required to operate vehicles with air brakes.
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18.
How should you apply the brakes when going down a steep downgrade?
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Apply the brakes whenever you reach your safe speed, until your speed has been reduced to 5 mph below your safe speed.
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Apply the brakes when you reach the bottom of the downgrade.
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Apply the brakes as hard as you can without locking the wheels.
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19.
To test the low pressure warning signal, you should:
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pump the brakes while your vehicle is running.
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shut the engine off when you have enough air pressure, turn the electrical power on and step on and off the brake pedal until the low air pressure warning signal comes on.
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check the air hoses connected to the brake chambers to make sure they aren't cut.
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20.
To check slack adjusters on S-cam brakes, you should:
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press the brake pedal and listen for any strange noises.
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use gloves and pull hard on each slack adjuster you can reach.
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All of the above.
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