Ace Your DMV Written Test with our Guaranteed Cheat Sheet.

Cheat sheet
After finishing a pre-trip inspection, you should:
A.  Leave the rear shut-off valves open.
B.  Remove the service line valve.
C.  Close the emergency line valve.
D.  Leave the emergency line valve open.
Before a trip, you should ensure that air reaches all air brakes on all trailers by opening up the rear emergency line and service line shut-off valves to listen for escaping air. Close both shut-off valves before beginning to drive.

Pass your DMV Written Test with flying colors

Ace Your DMV Written Test
Get your Cheat Sheet Now!