OREGON CDL AIR BRAKES PRACTICE TEST
6.
If you must make an emergency stop, you should:
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brake in a way that will keep your vehicle in a straight line.
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use the hand brake before the brake pedal.
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apply the brakes as hard as you can to lock them.
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None of the above.
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7.
You can be sure that your vehicle is equipped with ABS:
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if your company requires the use of antilock brakes in its policies.
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if the vehicle was manufactured after 1998.
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if the vehicle was manufactured after 2000.
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if the vehicle was manufactured after 2010.
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8.
The __________ keeps air from going out if the air compressor develops a leak.
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tractor protection valve
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one-way check valve
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air compressor drive belt
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emergency relay valve
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9.
The total stopping distance for vehicles with air brake systems is made up of __ different factors.
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4
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2
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3
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5
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10.
The posted speed limit:
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may only be exceeded when driving in rural areas.
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should never be exceeded.
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should only be exceeded when passing other vehicles.
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is only a suggestion.
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