Stopping the Big Rigs - Quiz 1
What is the name of the Federal Bill that regulates the brake systems on heavy duty vehicles?
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Truck, bus and trailer reform act
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FMVSS 121
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CVSA check list
The aerodynamic design of today's vehicles affect the brake system in what way?
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Make the vehicle easier to stop
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Make the vehicle have more wind drag
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Make the vehicle harder to stop
Why is air used in heavy duty brake systems?
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It's cheap, it's plentiful and it works even when there are leaks
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It's faster and more efficient than hydraulics
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It's cooler than hydraulic oil
The compressor is used to:
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Take in atmospheric air
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Compress air
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Fill the air tanks
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All the above
Reservoirs are used to:
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Take up pressure surges
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Store compressed air
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Filter the system
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None of the above
The foot valve:
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Is a back-up item
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Is used in an emergency
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Controls air to the brake chambers
Brake Chambers:
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Convert compressed air into mechanical force
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Operate the slack adjusters
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Convert compressed air into rotary motion
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Both A and B
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None of the above
The automatic brake adjuster:
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Changes linear force into rotary torque
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Is like a lever
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Changes the direction of the brake chamber force
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All the above