CONNECTICUT CDL AIR BRAKES PRACTICE TEST
6.
A low air pressure warning signal is required on:
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Warning signals are optional.
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all vehicles with air brakes built after 2005.
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all vehicles with air brakes.
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all vehicles with air brakes built after 2009.
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7.
Vehicles with air brakes require more stopping distance than vehicles with hydraulic brakes. Why?
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When driving vehicles with air brakes, the average perception distance increases from 400 feet to 2200 feet.
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Stopping distance for vehicles with air brakes is made up of six different factors.
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Air brakes use different brake drums.
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It takes one half second or more for the air to flow through the lines to the brakes.
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8.
When backing, you should:
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use the mirrors on both sides.
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back and turn toward the right side whenever possible.
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back quickly.
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only use mirror on the driver's side.
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9.
Which of the following is a reason why air tanks must be drained?
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Your transmission fluid may drain out.
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Your battery fluid may drain out.
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Your brakes may fail due to the water freezing.
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The governor may stop the compressor from pumping air.
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10.
What factors can cause brakes to fade?
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Slippery surfaces and shaded areas.
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Gravel and tar.
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Excessive heat and brakes out of adjustment.
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Dirt roads and in unpaved yards.
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