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Exam (elaborations)
FL CDL Air Brakes Test: Exam Mode
Air tanks must be drained - Answer- to drain moisture and oil out of the tanks 
 
Air braking takes more time than hydraulic braking because air - Answer- Takes more time to flow through the lines than hydraulic fluid. 
 
What is the best way to test your vehicle's low air pressure warning signal? - Answer- With the engine off, step on and off the brake pedal to lower the air pressure below 60 psi. 
 
The air compressor will stop pumping air into the air tanks at ___ psi - Answer- 125 
 
When s...