AIR BRAKES CDL PRACTICE TEST - TEXAS

11. Empty trucks require _____ stopping distances because empty vehicles have ______ traction.
greater; less
less; more
greater; more
less; less
12. To apply the parking brakes:
push the brake pedal three times.
place the parking brake control knob in Neutral.
pull the parking brake control knob out.
push the parking brake control knob in.
13. If your vehicle is equipped with a front brake limiting valve, to ensure normal stopping power make sure the control is:
in the "off" position.
in the "normal" position.
in the "neutral" position.
in the "slippery" position.
14. You supply air to the trailer brake system by:
pushing in the trailer air supply knob.
pulling out the trailer air supply valve.
plugging the electrical cord into the trailer.
connecting the tractor service air line to the trailer service glad hand.
15. If you get stuck on the railroad tracks, the first thing you should do is:
stay in your vehicle and call 911.
immediately get out of the cab and move away from the tracks.
scream for help.
try to move your vehicle until you see the train.
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