AIR BRAKES PRACTICE TEST - OHIO

16. Brake drums or discs must not have cracks longer than ____ the width of the friction area.
1/2
1/4
1/3
17. In a vehicle with a dual air brake system:
one system supplies air to the trailer.
each system has its own air tanks.
both systems typically operate the regular brakes on the rear axle.
18. _________ must have a low air pressure warning signal.
Vehicles with air brakes built after 2010
Vehicles with air brakes built after 2005
All vehicles with air brakes
19. Your vehicle has air brakes. To stop, you should:
push the brake pedal down.
release the accelerator, push in the clutch, and shift to Neutral at the same time.
pull the parking brake control knob out.
20. If you must drive slowly, how should you alert following drivers?
Flash your brake lights
Use your emergency flashers if it is legal
Turn on your taillights
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