GA CDL AIR BRAKES PRACTICE TEST

6. Which of the following statements is true?
There is no way that short circuits due to damaged insulation can cause a vehicle fire.
Poor cargo ventilation is a common cause of fire.
Under-inflated tires will NOT cause a vehicle fire.
Carrying a properly charged and rated fire extinguisher will help prevent fires.
7. The low pressure warning signal will generally activate when the air pressure falls between:
80–85 psi.
30–35 psi.
85–100 psi.
55–75 psi.
8. 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.
9. The total stopping distance for vehicles with air brake systems is made up of __ different factors.
4
3
2
5
10. Why must air tanks be drained?
The water can freeze in cold weather and cause brake failure.
Your transmission fluid may drain out.
There might not be enough antifreeze in the system.
The alcohol evaporator might stop working.
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