Stopping the Big Rigs - Quiz 7
1.
The function of the two-way check valve in the anti-compounding system is to seek out the dominant pressure between:
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The primary and secondary reservoirs
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The dash-park valve and the foot valve air and send it to the spring chambers
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Both A & B
Anti-compounding is not found on all vehicles but compounding can cause broken brake adjusters, cracked brake drums and twisted s-cams.
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True
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False
The anti-compounding system:
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Will release the spring brakes at the same time and in proportion to the driver's application of the service brakes
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Is mandated by FMVSS-121 law
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Is found in the front brake system
