WISCONSIN CDL AIR BRAKES PRACTICE TEST
11.
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 having an accident due to drowsy driving.
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helps keep the engine cool, as well as lubricating it.
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reduces the risk of ice in air brake valves during cold weather.
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helps you avoid wheel lock up.
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12.
If the low air pressure warning light comes on, you should:
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continue to drive normally.
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call for help.
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stop immediately.
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set the parking brake.
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13.
When going down grades, you should:
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shift up.
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put the transmission in Neutral.
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downshift to a lower gear.
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rely solely on engine braking to reduce your speed.
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14.
To operate a vehicle equipped with air brakes, you must pass the air brakes knowledge test. Why?
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If you don't pass the air brakes test, you can't get a CDL.
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If you don't, you will only receive a CDL permit.
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If you don't pass the air brakes test, you will be restricted to driving vehicles without air brakes.
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All trucks have air brakes.
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15.
When meeting an oncoming vehicle at night, if the other driver does not put their low beams on, you should:
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flash your high beams at the other driver.
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"get back at the other driver" by putting your own high beams on.
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slow down and look straight ahead in your lane.
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look slightly to the right to avoid looking directly at the lights of the oncoming vehicle.
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