CDL AIR BRAKES PRACTICE TEST - NEW HAMPSHIRE
6.
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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7.
An Anti-lock Braking System (ABS):
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keeps your wheels from locking up when you brake hard.
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lets you drive faster.
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increases your normal braking capability.
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always shortens your stopping distance.
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8.
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.
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all vehicles with air brakes built after 2009.
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all vehicles with air brakes built after 2005.
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9.
If the air pressure gets too low:
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you should set the parking brake.
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ABS will help maintain vehicle control.
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the brakes will not work.
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the brakes will lock up.
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10.
The s-cam forces the brake shoes away from one another and presses them against the inside of the brake drum. It is called the s-cam because:
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"S" stands for "Shoes".
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it is shaped like the letter "S".
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it is a safe-driving brake.
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it applies a "Shock" to the brakes.
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