AIR BRAKES PRACTICE TEST - ILLINOIS
16.
Pressing and releasing the brake pedal unnecessarily can:
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let air out faster than the compressor can replace it.
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apply more air pressure.
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causes friction, which slows the vehicle.
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causes all the air to be lost.
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17.
When the spring brakes are on, you should:
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pump the brakes.
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press the accelerator.
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exceed the posted speed limit.
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not push the brake pedal down.
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18.
Air storage tanks:
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are installed in the first tank the air compressor pumps air to.
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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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19.
The parking brake:
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should be used whenever you park.
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should be used when you need to apply the brakes firmly.
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should be used when driving in bad weather.
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All of the above.
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20.
If a load is 10 feet long, the minimum number of tie-downs required is:
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2
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1
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4
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3
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