OK CDL AIR BRAKES PRACTICE TEST
11.
Overloading a vehicle with cargo can have negative effects on all of the following except:
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Weight limits
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Steering
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Braking
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12.
An ABS system:
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helps you avoid skids caused by over braking.
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gives you more control over the vehicle during braking.
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All of the above.
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13.
A low air pressure warning signal:
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is required on vehicles with air brakes.
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is optional on vehicles with air brakes.
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is required on all vehicles without air brakes.
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14.
Air tank drains:
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should not be used in wet weather.
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protect the tanks and the rest of the system from too much pressure.
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are used to remove water and oil from the air tanks.
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15.
On any upgrade, gravity:
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speed you up.
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slows you down.
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doubles your speed.
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