Air Brakes CDL Practice Test - Arizona
16.
Brake lag is:
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the distance your vehicle will travel, in ideal conditions, while you are braking.
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the time required for the air brakes to work after the brake pedal is pushed.
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the amount of air pressure required to stop the vehicle.
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17.
If the air compressor is belt-driven, you should check the air compressor drive belt before each trip. The belt should be:
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tight.
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cracked.
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loose.
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18.
If the low pressure warning signal doesn't work:
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this could cause sudden emergency braking in a single-circuit air system.
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you could lose air pressure and you would know it.
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None of the above.
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19.
If your vehicle does not have automatic air tank drains, how often should you drain air tanks to remove moisture and oil?
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Every 4 hours.
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At the end of each working day.
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Once a week.
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20.
Foundation brakes are used:
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only with the front wheels.
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only with the right wheels.
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at each wheel.
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