Massachusetts CDL Air Brakes 30 Questions And Answers
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Terms in this set
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Modern air break systems combine 3 different systems. The systems are the service, parking, and _______ break systems
Emergency
The driver must be able to see a warning before air pressure in the service air tanks fall below _____ psi
60
The break pedal in the air break system:
Controls the air pressure applied to the break
Air breaking takes more time than hydrology breaking because air:
Take more time to flow through the lines than hydronic fluids
If your vehicle has an evaporator, it is to:
Reduce the risk of ice in the air break valves in cold weather
If your truck has dual parking control balances, you can use pressure from a separate tank to:
Release the spring emergency parking breaks to move a short distance
To check the free play of manual slack adjusters on S-cam breaks, you should park on:
Level ground, chock the wheels, and turn off the parking breaks
Of the choices below, the first thing to do when a low air pressure warning comes on is:
Stop and safely park as soon as possible
The air compressor governor controls
When the air is pumped into the air tanks
The breaking power of the spring breaks:
Depends on weather the service breaks are in adjust