What Is Unmuffled Braking?
Unmuffled Engine Compression Brake. a Motor Vehicle Brake Which Is Activated or Worked by the Compression of the Engine of a Motor Vehicle, and Which Is Not...
UNMUFFLED ENGINE COMPRESSION BRAKE. A motor vehicle brake which is activated or worked by the compression of the engine of a motor vehicle, and which is not effectively muffled to prevent excessive noise.
What does Unmuffled braking mean?
“Compression brakes” means motor vehicle brakes which are activated or worked by the compression of the engine of the motor vehicle. ... “Unmuffled compression brake” means a compression brake which is not effectively muffled to prevent excessive noise.
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What is engine braking and why is it prohibited?
Engine braking is prohibited in some areas because of the loud noise it creates. ... Typically, research shows the decibel level to be the same as that of a large lawnmower, but in early morning or late at night, the sound a jake brake causes when engaged can be very disruptive to local communities.