AIR BRAKES CDL PRACTICE TEST - COLORADO
6.
The supply pressure gauges tell you how much air pressure:
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is in the air tanks.
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you are applying to the brakes.
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is going to the brake chambers.
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is in the air brakes.
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7.
If your vehicle is equipped with a front brake limiting valve, to ensure normal stopping power make sure the control is:
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in the "slippery" position.
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in the "normal" position.
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in the "off" position.
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in the "neutral" position.
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8.
An Anti-lock Braking System (ABS):
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always shortens your stopping distance.
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lets you drive faster.
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keeps your wheels from locking up when you brake hard.
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increases your normal braking capability.
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9.
If you are being tailgated, you should:
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avoid tricks like turning on your taillights or flashing your brake lights.
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increase your following distance.
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avoid quick changes.
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All of the above.
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10.
Which of the following is NOT part of the air brake system?
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Anti-lock brake system
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Emergency brake system
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Parking brake system
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Service brake system
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