CDL AIR BRAKES PRACTICE TEST - FLORIDA
16.
As part of the final air brake check, you should:
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Check air compressor governor cut-in and cut-out pressure.
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Test low pressure warning signal.
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Test air leakage rate.
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All of the above.
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17.
Air pressure should build up in a single air system, within about:
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1 minute.
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15 minutes.
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10 minutes.
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3 minutes.
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18.
With the controlled braking method, you:
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apply the brakes all the way and release brakes when the wheels the lock up.
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apply the brakes as hard as you can without locking the wheels.
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push down on the brake pedal as hard as you can so that the wheels the lock up.
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None of the above.
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19.
In combination vehicles with air brakes, the trailer air supply control should pop out when the air pressure falls within the range of:
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100 to 120 psi
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20 to 45 psi
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10 to 20 psi
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50 to 75 psi
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20.
Dual tires:
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should always come in contact with each other.
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are dangerous.
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should not come in contact with each other.
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should come in contact with each other whenever possible.
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