IL CDL AIR BRAKES PRACTICE TEST
6.
Why should you check your mirrors regularly to know where other vehicles are around you?
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To move out of their way if they want to get past.
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To flash the brake lights if you are being tailgated.
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To better assess your own speed.
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To know whether you can make a quick lane change in an emergency.
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7.
If your vehicle catches fire, you should pull over:
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in an open area.
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near other vehicles.
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near trees.
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at a service station.
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8.
If your brakes fail while you are driving on a downgrade, you should:
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take the least hazardous escape route you can.
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immediately start looking outside your vehicle for something to stop it.
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use an escape ramp if it's available.
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All of the above.
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9.
What is a dual air brake system?
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2 separate air brake systems: one system operates the left brakes, the other system operates the right brakes.
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2 separate air brake systems: one system operates the front brakes, the other system operates the rear brakes.
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2 separate air brake systems: one system for daytime driving, the other system for nighttime driving.
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None of the above.
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10.
If your vehicle has an alcohol evaporator, every day during cold weather, you should:
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check the alcohol container and fill up as necessary.
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fill it up with oil to prevent the pipes from freezing.
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fill it up with oil to prevent alcohol from freezing.
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ensure that compressed air usually has some water and some compressor oil in it.
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