Arizona CDL Air Brakes: Practice Test
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A low air pressure warning signal:
A.
Is not required on vehicles with air brakes.
B.
Is required on vehicles with air brakes.
C.
Is optional on vehicles with air brakes.
What do the two systems of a dual air brake system share?
A.
Hoses
B.
An air compressor
C.
Air tanks
Alcohol evaporators are:
A.
Illegal.
B.
Used to introduce alcohol into air brake systems.
C.
Only allowed in the northern parts of the state.
When leaving your vehicle unattended:
A.
The parking brake must be always be used.
B.
The parking brake should never be used.
C.
Windows in the cab should be lowered.
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