AIR BRAKES CDL PRACTICE TEST - IDAHO
21.
Before driving a truck or bus with a dual air brake system, the minimum pressure in both the primary and secondary
systems should be at least:
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100 psi.
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75 psi.
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130 psi.
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22.
To brake in a way that will keep your vehicle in a straight line and allow you to turn if it becomes necessary, you can use:
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the "stab braking" method.
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the "controlled braking" method or the "stab braking" method.
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the "controlled braking" method.
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23.
Your vehicle has air brakes. To stop, you should:
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pull the parking brake control knob out.
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push the brake pedal down.
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release the accelerator, push in the clutch, and shift to Neutral at the same time.
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24.
On
a tractor-trailer equipped with a trailer brake hand
valve, the hand valve can be used to:
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hold compressed air.
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prevent movement of cargo.
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keep from rolling back.
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25.
Perception Distance + Reaction Distance + Brake Lag Distance + Braking Distance = ?
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Total Air Pressure
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Stopping Distance - (minus) Brake Fade Distance
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Total Stopping Distance
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