MARYLAND CDL AIR BRAKES PRACTICE TEST
16.
When a tire fails, you must:
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get out and check all the tires after you have come to a stop.
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hold the steering wheel firmly.
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stay off the brake.
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All of the above.
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17.
You should check air pressure and temperature gauges:
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at the beginning of each trip.
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at the end of each trip.
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as often as is practical.
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every time you stop.
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18.
If the low pressure warning signal doesn't work:
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you could lose air pressure and you would know it.
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in dual systems the stopping distance will be decreased.
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this could cause sudden emergency braking in a single-circuit air system.
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None of the above.
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19.
Before driving a vehicle with a dual brake brake system, the driver should:
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allow time for the air compressor to build up a minimum of 100 psi pressure in both the primary and secondary systems.
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pump the brake pedal 10 times to build pressure.
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wait at least 10 minutes before driving.
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wait at least 5 minutes before driving.
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20.
Which of the following is NOT part of the air brake system?
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Emergency brake system
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Anti-lock brake system
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Service brake system
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Parking brake system
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