IL CDL AIR BRAKES PRACTICE TEST

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