SD CDL AIR BRAKES PRACTICE TEST
11.
Radial and bias-ply tires:
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should not be used together.
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should be used together only when driving in packed snow.
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should be used together.
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should be used together only during bad weather.
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12.
If the air pressure gets too low:
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the brakes will not work.
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you should set the parking brake.
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ABS will help maintain vehicle control.
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the brakes will lock up.
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13.
In vehicles with air brakes, the brake pedal:
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pumps air into the air storage
tanks.
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controls the air pressure applied to the brakes.
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tells you how much pressure is in
the air tanks.
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let the
air out of the spring brakes.
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14.
If you perform the skills test in a vehicle that is not equipped with air brakes:
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you will be required to take the tank vehicle test.
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you will be restricted from operating vehicles with air brakes.
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you will be required to operate vehicles with air brakes.
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you will be required to operate a CMV without hydraulic brakes.
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15.
If you are being tailgated, you should:
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turn on your taillights.
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speed up.
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try to let the other vehicle pass.
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drive on the shoulder.
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