CDL AIR BRAKES PRACTICE TEST - TENNESSEE
11.
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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every time you stop.
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as often as is practical.
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12.
To prevent drowsiness you should:
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avoid exercise to save more energy.
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schedule trips for the middle of the night.
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never drive with a passenger.
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get adequate sleep before a trip.
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13.
The tire load rating is stated:
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on the side of each tire.
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on each axle.
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on the dashboard.
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inside the suspension system.
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14.
The air compressor governor:
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stops the compressor from pumping air.
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allows the compressor to start pumping air when the tank pressure rises to the "cut-out" pressure.
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controls when the air storage tanks will pump air into the air compressor.
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All of the above.
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15.
Why should you check your mirrors regularly to know where other vehicles are around you?
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To flash the brake lights if you are being tailgated.
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To better assess your own speed.
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To move out of their way if they want to get past.
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To know whether you can make a quick lane change in an emergency.
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