CA CDL AIR BRAKES PRACTICE TEST
11.
On any upgrade, gravity:
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slows you down.
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doubles your speed.
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speed you up.
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12.
Air storage tanks:
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use parts of the service brake systems to stop the vehicle in a brake system failure.
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hold compressed air for the brakes.
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pump air into the air storage tanks.
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13.
Some air brake systems have an alcohol evaporator. Checking the alcohol container and filling it up as necessary:
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reduces the risk of ice in air brake valves during cold weather.
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helps keep the engine cool, as well as lubricating it.
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helps you avoid wheel lock up.
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14.
You are driving on a steep downgrade. If your safe speed is 35 mph, you should apply the brakes when your speed reaches:
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30 mph
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25 mph
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35 mph
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15.
Empty trucks have the best braking. True or False?
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It depends on the cargo.
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False.
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True.
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